Journal articles: 'Slide films'

1

Pan, Hong Cheng, Xue Peng Li, Wei Hong Liu, and Yan Bin Ren. "Growth and Characterisation of Ag₂S Films on ZnS/Indium-Tin-Oxide Coated Glass." Advanced Materials Research 721 (July 2013): 33–36. http://dx.doi.org/10.4028/www.scientific.net/amr.721.33.

Full text

Abstract:

ZnS thin films were deposited on indium–tin-oxide (ITO) coated glass substrates by a chemical bath deposition method. Then the ZnS/ITO slides were immersed in the solution containing 6 mM phosphate buffer solution (pH 7.4), sodium polyacrylate (0.01% w/w), and 0.24 mM AgNO3 at 37°C for 3 h to growth Ag2S films on the surface of ZnS/ITO slides. The absorption band of Ag2S/ZnS/ITO slide displays a considerably blue-shifted. The X-ray diffraction analysis demonstrated the presence of acanthite Ag2S on the surface of ZnS/ITO slides, which is consistent with the cyclic voltammetic data.

APA, Harvard, Vancouver, ISO, and other styles

2

Taadi, Taadi, and Dwi Suyatmi. "Pengaruh Promosi Kesehatan Gigi Menggunakan Media Film Kartun dan Slide Terhadap Pengetahuan Siswa Sekolah Dasar." Journal of Oral Health Care 6, no. 2 (September 30, 2018): 68–75. http://dx.doi.org/10.29238/ohc.v6i2.338.

Full text

Abstract:

Oral and dental health education is an effort to improve dental and oral health. Counseling must be attractive, attractive, without reducing its contents. Learning media is anything that can be used to stimulate thoughts, feelings of attention and ability. The purpose of this study was to determine the effect of dental health promotion using cartoon film and slide media on respondents' knowledge. This type of research uses a quasi-experimental design (quasi-experimental) The sampling technique was using quota sampling technique. The research treatment was by providing dental health promotion using cartoon film media and a 5 minute slide duration at different schools. The research subjects were given a questionnaire before intervention using cartoon films and slides and were given a questionnaire again as a posttest. Data analysis was performed using a different test to find out whether there was a difference between before and after treatment. The results of the study showed that the mean score difference between pretest and posttest on respondents after watching dental health promotion using slide media was 0.88, with a probability of 0.027. the first test and the second test with an average difference of -0.12. Dental health promotion using slides and cartoon films can increase the knowledge of elementary school students.

APA, Harvard, Vancouver, ISO, and other styles

3

Richmond, Brianna A., Carisa D. Kunkle, and Daniela M. Topasna. "Ionically Self-Assembled Monolayer pH Sensitive Films-Fabrication and their Long Term Response to Varying Temperature Conditions." Key Engineering Materials 878 (March 2021): 15–22. http://dx.doi.org/10.4028/www.scientific.net/kem.878.15.

Full text

Abstract:

This study presents the long time effects of varying temperature conditions on pH-responsive films deposited on glass slides. The films were fabricated from Brilliant Yellow and poly (allylamine hydrochloride) through ionically self-assembled monolayer technique using an automated slide strainer. The absorbance of the films was monitored and the effect of varying temperature on the optical properties of the films was studied. We found that as the films are maintained at increasing temperatures their absorbance slightly decreased. As the temperature increased the percent change decreased reaching a plateau. Films kept at low temperatures of 3.24 °C and below freezing (-9.02 °C) had a small increase in absorbance. Finally, we monitored the absorbance of films kept at room temperature over a long time (128 days) and found that the films showed decreased absorbance by 19%.

APA, Harvard, Vancouver, ISO, and other styles

4

Wajer, S. D., and H. K. Charles. "A SEM analysis of thin indium films for immunoassay applications." Proceedings, annual meeting, Electron Microscopy Society of America 45 (August 1987): 938–39. http://dx.doi.org/10.1017/s0424820100128973.

Full text

Abstract:

Indium metal films have been used as host substrate materials for biological immunoassays. Indium film immunoassays involve the optical detection of specific antibody-antigen reactions using either transmitted or reflected white light. In the immunoassay process, drops of a purified antibody solution are placed on 5 to 25 nm thick indium films supported on a glass substrate (i.e., indium slide). After incubation, the antibody solution is washed off, leaving visible spots of reactive antibody. The slide is then coated with an unrelated protein which covers any non-antibody areas thus making the whole slide appear optically uniform. Placing the indium slide in an appropriate antigen solution will cause a visible response, since the antibody-antigen reaction complex will contain two layers of protein and will be darker than the surrounding background. In addition to the biological reaction sensitivities, the indium film immunoassay response is critically dependent on the bulk and surface properties of the indium film.

APA, Harvard, Vancouver, ISO, and other styles

5

Yang, Peiran, Shiyue Qu, Qiuying Chang, and Feng Guo. "On the Theory of Thermal Elastohydrodynamic Lubrication at High Slide-Roll Ratios—Line Contact Solution." Journal of Tribology 123, no. 1 (September 14, 2000): 36–41. http://dx.doi.org/10.1115/1.1330738.

Full text

Abstract:

Complete numerical solutions are obtained for the steady-state line contact thermal elastohydrodynamic lubrication (TEHL) problems. The contact surfaces are arranged to run in opposite directions. The slide-roll ratios are allowed to be as high as infinity. The new theory reveals that the characteristics of the high slide-roll contacts are significantly different from those of the low slide-roll contacts. The unusual zero-entrainment films discovered by Dyson and Wilson and the abnormal surface-dimple phenomena observed by Kaneta et al. are explained.

APA, Harvard, Vancouver, ISO, and other styles

6

Katona, Leon, Yvonne Vadeboncoeur, Christopher T. Nietch, and Katie Hossler. "A Novel Thin-Film Technique to Improve Accuracy of Fluorescence-Based Estimates for Periphytic Biofilms." Water 13, no. 11 (May 23, 2021): 1464. http://dx.doi.org/10.3390/w13111464.

Full text

Abstract:

Recent studies suggest that photophysiological parameters for intact substrates with depth (e.g., periphytic biofilms, microphytobenthos) are overestimated by pulse-amplitude modulated (PAM) fluorometry. This overestimation results from depth-integration effects, following the activation of deeper photosynthesizing layers by an attenuated light signal. To mitigate this error, we propose a novel slide-based thin-film technique in which fluorescence is measured on a vertically representative subsample of the biofilm, spread evenly on a microscope slide. We compared bias and precision for photosynthetic parameters estimated through conventional PAM fluorometry on intact biofilms and through our novel slide-based technique, both theoretically and empirically. Numerical simulations confirmed the consistent overestimation of key parameters for intact biofilms, with relative errors up to 145%, compared to, at most, 52% on thin films. Paired empirical observations likewise demonstrated that estimates based on intact biofilms were consistently higher (up to 248%, p<0.001) than estimates from thin films. Numerical simulation suggested greater precision with the slide-based technique for homogeneous biofilms, but potentially less precision for heterogeneous biofilms with improper subsampling. Our empirical comparison, however, demonstrated some improvement in precision with the slide-based technique (e.g., the coefficient of variation for the maximum electron transport rate was reduced 30%, p=0.009). We recommend the use of the slide-based technique, particularly for biofilms that are thick or have small light attenuation coefficients. Care should be taken, however, to obtain vertically representative subsamples of the biofilm for measurement.

APA, Harvard, Vancouver, ISO, and other styles

7

CHAUHAN, SHOBHIT SINGH, R. V. JASRA, and A. L. SHARMA. "DYE IMMOBILIZED MESOPOROUS SILICA THIN FILM AS OPTICAL pH SENSOR." International Journal of Nanoscience 11, no. 03 (June 2012): 1240001. http://dx.doi.org/10.1142/s0219581x12400017.

Full text

Abstract:

An optical sensor for measurement of pH was prepared by the deposition of tailored mesoporous silica films on glass slide substrate. The films were prepared by using tetraethoxysilane (TEOS) as a silica precursor in presence of ethanol (EtOH) as co-solvent. The sol was mixed with bromocresol green indicator and judiciously aged which was then spin casted on pre-cleaned glass slides to form thin films. These films were characterized by instrumental techniques like Fourier Transform Infrared Spectroscopy (FTIR), X-ray diffraction (XRD) and scanning electron microscope (SEM). The chemical sensing properties of the film was determined spectroscopically for optical pH response. The results demonstrated that the developed optical sensor responds well in the pH range of 3–12. The sensor performance was validated by measurement of pH of water samples from different sources and compared against values obtained by conventional glass electrode pH meter. The comparative results were observed to be under 5% tolerance limit.

APA, Harvard, Vancouver, ISO, and other styles

8

Janchocktawee, Witit, Vishnu Rachpech, and Jessada Wannasin. "Comparison of DLC and N-Doped DLC Synthesized by RF-PECVD." Advanced Materials Research 893 (February 2014): 528–32. http://dx.doi.org/10.4028/www.scientific.net/amr.893.528.

Full text

Abstract:

Diamond-like carbon (DLC) films and nitrogen doped DLC (NDLC) were deposited on glass slide and H13 steel by plasma-enhanced chemical vapor deposition using a commercial RF 13.56 MHz (RF-PECVD). The films have been prepared from CH4for DLC and CH4+N2mixtures for NDLC. The deposition process was at 300°C under argon atmosphere for 120 min. Bonding energy and diamond like carbon characteristic of DLC and NDLC films have been characterized by Fourier Transform Infrared Spectroscopy (FTIR) and Raman spectroscopy. Thermalgravimetric Analyzer (TGA) was used to evaluate the thermal stability of the films which were scrapped off from a glass slide substrate. The mechanical properties was characterized, such as hardness by nanoindentation technique, scratch test by Rockwell diamond tip in progressive mode and friction coefficient have been measured in ambient air using a ball-on-disk tribometer.

APA, Harvard, Vancouver, ISO, and other styles

9

Liu, Hon Gjia, Yu Ming Men, Liang Xia Cheng, and Xun Chang Li. "Model Test for the Cantilever Anti-Slide Pile of Loess Landslide." Advanced Materials Research 261-263 (May 2011): 1014–18. http://dx.doi.org/10.4028/www.scientific.net/amr.261-263.1014.

Full text

Abstract:

Against loess landslide control, two physical model tests of loess landslide have been completed. Test I is model test of loess landslide with preset slide surface, loading on the top of the slope; test II is based on test I, adding the cantilevered anti-slide pile before the slope. The preset slide surfaces are composed of double-layer plastic films. Two testing processes and piling-up weights methods are the same; the only difference is adding cantilevered anti-slide pile and pressure cells placed around the piles. Through analyzing the results of the test I, similarity shear strength parameters of the preset slide surface are determined. In the test II, through analyzing soil displacement before the pile, limit state of loess landslide with the cantilevered anti-sliding model pile is established and load value is obtained, which provides references and bases for subsequent experimental study.

APA, Harvard, Vancouver, ISO, and other styles

10

Stepanov, M. S., A. P. Godovalov, E. E. Kobzarenko, M. V. Fadeeva, and E. A. Gyr. "A new approach for the study of the morphological structure of microbal biofilms." Russian Clinical Laboratory Diagnostics 65, no. 10 (September 17, 2020): 649–51. http://dx.doi.org/10.18821/0869-2084-2020-65-10-649-651.

Full text

Abstract:

Microbial biofilms are heterogeneous, moving and constantly changing communities of microorganisms, often of various taxons. Approaches to study and assessment anti-biofilm drugs widely available today do not adequately assess their effects, while the results of studying the interaction of drugs with components of the film composition can provide them the right choice. The aim of investigation was to test a new method of morphological evaluation of biofilms. To form biofilms, we used an approach when the slide was placed at an angle of 30o-45o relatively to the Petri dish, and a suspension of test strains S. epidermidis in peptone broth was poured into the space between the Petri dish and the slide. A sterile cotton swab moistened with distilled water was placed next to the glass slide to create optimal humidity. The system was placed in a thermostat for 24 hours. The formed films were examined under a microscope using the DCM 310 video eyepiece and the Scope photo x86,3.1.312 program that allowed to conduct a complete morphometric study of the film: select layers, channels, cavities and make measurements, and then save the results on electronic media in jpg file format. Microscopy of the stained slides revealed that the biofilm has a layered structure. In each image obtained using a video eyepiece, it was possible to differentiate 4 layers. From the border of the two media to the inside: the fragmentation layer, the dense layer, the matrix substance layer, and the last one - the persistence layer. Channels of different diameters (from 10 to 24 microns) are observed across the entire thickness of the biofilm. Thus, used approach allows us to visualize and evaluate the structure of microbial biofilm, measure the thickness of layers and channel diameters. In addition, this method can be used to study the effect of antimicrobial drugs on bacterial films.

APA, Harvard, Vancouver, ISO, and other styles

11

Zhu, Jian, Fujian Lv, Shengxiong Xiao, Zhenfeng Bian, Gerd Buntkowsky, Colin Nuckolls, and Hexing Li. "Covalent attachment and growth of nanocrystalline films of photocatalytic TiOF2." Nanoscale 6, no. 24 (2014): 14648–51. http://dx.doi.org/10.1039/c4nr05598e.

Full text

Abstract:

An evaporation induced alcoholysis process has been applied to synthesize nanocrystalline TiOF₂ film. The nanocrystalline TiOF₂ becomes chemically attached to the surface of the glass slide. These films show potential applications in both photocatalytic and antibacterial fields.

APA, Harvard, Vancouver, ISO, and other styles

12

ALTAMIRANO-JUAREZ, D. C., R. CASTANEDO-PEREZ, O. JIMENEZ-SANDOVAL, S. JIMENEZ-SANDOVAL, J. MARQUEZ-MARIN, G. TORRES-DELGADO, and A. MALDONADO-ALVAREZ. "PROPERTIES OF ZnO:AL THIN FILMS, OBTAINED BY THE SOL-GEL METHOD." Modern Physics Letters B 15, no. 17n19 (August 20, 2001): 730–32. http://dx.doi.org/10.1142/s0217984901002403.

Full text

Abstract:

Al-doped ZnO thin films have been prepared by the sol-gel technique, on slide-glass substrates. Al(NO3)3·9H2O was used as aluminum source and the doping range was 0.001-20 at %. The effect of the Al concentration in solution on the microstructure of the films is presented. The transmittance spectra, as well as the sheet resistance measurements, show the presence of electrically-active aluminum in the films.

APA, Harvard, Vancouver, ISO, and other styles

13

Wu, Xia, Hui Dong Yang, Ji Sen Zhang, and Long Gu. "Influence of Annealing Time on the Properties of GZO Thin Films Fabricated by Direct Current Magnetron Sputtered." Advanced Materials Research 602-604 (December 2012): 1503–7. http://dx.doi.org/10.4028/www.scientific.net/amr.602-604.1503.

Full text

Abstract:

The films were deposited on glass slide substrates by DC magnetron sputtering method by using a ZnO target doped with Ga2O3 of 3wt%, then annealing processing were implemented respectively under the temperature of 250 °C with the time of 0,30,60,90 and 120 minutes.Effects of sputtering on the structural and optical and electrical properties of GZO films had been investigated. The results showed that GZO films with high quality could be fabricated after vacuum-annealed. crystal face of GZO films had a good tendency of c axis. the (002) diffraction peak reached a maximum at the annealing time of 1.5 hours; at the same time ,crystal grain became larger and crystal boundaries narrow, film’s resident stress reduced to 0.5 Mpa.With the annealing time increasing, the resistivity of GZO films decreased and reached the minimum which was 9.1×10-4 Ω·cm at 1.5 hours. While the average transmittance decreased sharply after the time of 1.5 hours in visible region. Consequently, the best annealing time is 1.5 hours.

APA, Harvard, Vancouver, ISO, and other styles

14

TUNBRIDGE, LAURA. "Scarlett Johansson's Body and the Materialization of Voice." Twentieth-Century Music 13, no. 1 (March 2016): 139–52. http://dx.doi.org/10.1017/s1478572215000201.

Full text

Abstract:

AbstractThis article considers three science fiction films, released in 2013–14, featuring Scarlett Johansson:Her(dir. Spike Jonze),Lucy(dir. Luc Besson), andUnder the Skin(dir. Jonathan Glazer). It suggests that to engage with the phenomenon of voice in imaginative and productive ways it is necessary to slide over a disciplinary divide and address more explicitly the musicality of speech. In my main example,Her, Johansson provides the voice of an operating system with which the film's protagonist falls in love. Central to their intimate connection is the establishment of what I call the ‘haptic voice’, which conveys a sense of physical proximity. A similar blurring of the boundaries between voice and body occur in the presentation of the alien characters Johansson plays in the other films.

APA, Harvard, Vancouver, ISO, and other styles

15

Chen, Lan Li, Bao Gai Zhai, and Yuan Ming Huang. "Blue Photoluminescence of Sol-Gel Derived SnO₂:Sb Films." Materials Science Forum 663-665 (November 2010): 280–83. http://dx.doi.org/10.4028/www.scientific.net/msf.663-665.280.

Full text

Abstract:

By varying the antimony dopant level in the sol-gel solutions, we prepared a series of antimony-doped SnO2 films on slide glass with the sol-gel technique. The transmission, absorption, photoexcitation and photoemission spectra were measured for the sol-gel derived antimony-doped SnO2 films. Under the 300 nm excitation, near untraviolet emission at 390nm and blue emission at 460 nm were recorded from thermally annealed antimony-doped SnO2 films. The effect of the ionic dopant on the photoluminescent properties of the antimony-doped SnO2 films are discussed.

APA, Harvard, Vancouver, ISO, and other styles

16

Christodoulou, K. N., and L. E. Scriven. "The fluid mechanics of slide coating." Journal of Fluid Mechanics 208 (November 1989): 321–54. http://dx.doi.org/10.1017/s0022112089002855.

Full text

Abstract:

Slide coating is a means of rapidly depositing multilayered liquid films of precise thickness and uniformity, as in manufacture of photographic products. Liquid is metered through one or more slots onto the inclined surface of the coating die, flows down that face and across a gap onto a fast-moving smooth surface. In this paper the steady, two-dimensional slide coating flow of a Newtonian liquid is analysed by solving the full Navier–Stokes system with the Galerkin/finite-element technique, spine parametrization of free surfaces and full Newton iteration. The lower meniscus in the gap is assumed to remain pinned at the die edge and the wetting-line singularity on the surface being coated is relieved by introducing dynamic-slip and contact-angle parameters. Results include the effects of several design and operating parameters on free-surface profiles and details of the flow field; these are presented by means of contours of kinematic and dynamic variables and local force balances over subdomains. The profiles show standing waves on the slide, rapid film thinning just before the gap, and exponential approach to the final film thickness on the web. As Reynolds number is raised and/or web speed is lowered several recirculation regions are predicted, deleterious features that have also been detected in experiments.

APA, Harvard, Vancouver, ISO, and other styles

17

Zhu, Jingrun, Yihua Zhu, Jianfei Huang, Yiqin Gong, Jianhua Shen, and Chunzhong Li. "Synthesis of CsPbBr3 perovskite nanocrystals with the sole ligand of protonated (3-aminopropyl)triethoxysilane." Journal of Materials Chemistry C 7, no. 24 (2019): 7201–6. http://dx.doi.org/10.1039/c9tc02089f.

Full text

Abstract:

Efficient and stable CsPbBr₃ nanocrystals with the sole ligand of (3-aminopropyl)triethoxysilane (APS) were synthesised by adding hydrobromic acid (HBr) into the precursor. The films of CsPbBr₃ nanocrystals were fabricated on a slide by centrifugal force. Also, down-converted light-emitting diodes (LEDs) were fabricated by coating the CsPbBr₃ quantum dot films on ultraviolet chips.

APA, Harvard, Vancouver, ISO, and other styles

18

Wacharanad, Sirorat, and Stephan Thierry Dubas. "Tunable Silver Leaching from Polyelectrolyte Multilayers Thin Films." Advanced Materials Research 701 (May 2013): 145–49. http://dx.doi.org/10.4028/www.scientific.net/amr.701.145.

Full text

Abstract:

Silver nanoparticles were deposited on glass slides and surgical suture as antibacterial agent. The silver nanoparticles were prepared by chemical reduction with sodium borohydride and using a synthetic polyelectrolyte as capping agent. Poly (4-styrenesulfonic acid-co-maleic acid) sodium salt PSSMA was used to stabilize the silver nanoparticles and provide an anionic surface charge which then allowed the layer-by-layer deposition method with poly (dially dimethyl ammonium chloride) PDADMAC. Various concentration of capping agent were used to prepare the silver nanoparticles which were then deposited on glass slide and surgical suture. The layer-by-layer deposition of the nanoparticles was studied using UV-Vis spectroscopy by monitoring the intensity of the characteristic Plasmon band of the nanoparticles at 400nm. The leaching of the silver nanoparticles in buffered solutions of pH 3,7 and 9 was monitored by recording the decrease in absorbance of silver nanoparticles film as a function of time for each pH solutions and each capping concentrations. Finally, suture material coated with silver nanoparticles were tested for their antibacterial activity against Staphylococcus aureus and results showed that all coated sutures had more than 99% bacterial reduction. So these suture material could be applied to use in medical products for promoted wound healing and decreased bacterial colony leading to relieve inflammation of patient.

APA, Harvard, Vancouver, ISO, and other styles

19

Kim, Seulgi, Young Gook Koh, Hyunjung Lee, and Wonmok Lee. "Flexible polymer opal films prepared by slide coating from alcoholic media." Macromolecular Research 25, no. 5 (May 2017): 415–19. http://dx.doi.org/10.1007/s13233-017-5061-5.

Full text

APA, Harvard, Vancouver, ISO, and other styles

20

Chang, Chin Chuan, Shu Ling Wang, Wen Chi Tseng, and Meng Jiy Wang. "Plasma Polymerized Thin-Films for Biosensors." Advanced Materials Research 47-50 (June 2008): 1367–70. http://dx.doi.org/10.4028/www.scientific.net/amr.47-50.1367.

Full text

Abstract:

Plasma polymerization is an effective method to directly deposit ultra-thin film on substrates with advantageous properties such as good adhesion and biocompatibility. In this paper, the monomers containing amine groups with various unsaturated structures (propylamine, allylamine) are chosen to provide amine functionalities and to promote biocompatibilities for the polymerized thin films. The deposition rates revealed by measuring the thickness of thin films are characterized by profilometer under various plasma conditions. FTIR and AFM are used to study the chemical structures and morphology of the deposited thin films. In order to examine the applicability of the deposited polymers for biosensors, the activities of the incorporated biomolecules on deposited thin films are analyzed. Chinese hamster ovary (CHO) cells are cultivated on the polymerized thin films. Both propylamine and allylamine polymerized thin films show enhanced cell viability than on glass slide substrates.

APA, Harvard, Vancouver, ISO, and other styles

21

Yu, Song, H. D. Yang, B. Huang, and J. S. Zhang. "Influence of the Temperature on GZO Film Deposited by DC Magnetron Reactive Sputtering." Advanced Materials Research 446-449 (January 2012): 288–92. http://dx.doi.org/10.4028/www.scientific.net/amr.446-449.288.

Full text

Abstract:

GZO transparent conductive thin films were deposited by the direct current magnetron sputtering method from a ZnO target doped with Ga2O3 of 3wt% on glass slide substrates under high pressure of argon. The effect of substrate temperature on the GZO film’s morphology, optical and electrical properties is investigated by using scanning electron microscopy (SEM), UV spectrophotometer, four point probe and Spectroscopic Ellipsometer. The results showed that GZO thin films with high quality could be fabricated under the high pressure of argon.When substrate temperature is 250°C or below, surface morphology of thin films can be significantly improved.With the increase of substrate temperature, the crystal grain become larger, the crystal boundaries narrow and become clear, and reach a best case at 250°C. At the same time, the resistivity of GZO thin films decrease and reach the minimum which is 1.099×10-3 Ω•cm at 300°C while the average transmittance increase to 90%. Consequently, the properties of morphology began to get worse with the increase of temperature above 300°C.

APA, Harvard, Vancouver, ISO, and other styles

22

Rattana, Tanattha, Nirun Witit-Anun, Sumetha Suwanboon, and Surasing Chaiyakun. "Preparation and Properties of TiO₂ Thin Films Deposited on Different Substrates by Sol-Gel Method." Advanced Materials Research 979 (June 2014): 355–58. http://dx.doi.org/10.4028/www.scientific.net/amr.979.355.

Full text

Abstract:

In this work, TiO2thin films were prepared by a sol-gel spin coating method on glass slide, stainless steel 304 and silicon wafer substrates. The thin films were annealed at different temperatures at ambient atmosphere. The effect of substrates and annealing temperatures on microstructure, surface morphology and hydrophilicity of the films were characterized by Raman spectroscopy, atomic force microscopy and water contact angle measurement, respectively. The Raman spectra indicated that the annealed TiO2thin films (at 550 °C) coated on stainless steel and silicon wafer exhibited anatase structure. The contact angle of all samples decreased with increasing the UV-irradiation time and annealing temperature.

APA, Harvard, Vancouver, ISO, and other styles

23

Lertlop, Wichan, Narong Sangwaranatee, Mati Horprathum, and Jakrapong Kaewkhao. "Influence of Post-Deposition Annealing on Structure and Optical Characteristics of Niobium Oxide Thin Films." Key Engineering Materials 675-676 (January 2016): 245–48. http://dx.doi.org/10.4028/www.scientific.net/kem.675-676.245.

Full text

Abstract:

In this work, niobium oxide thin films were deposited on silicon wafer (100) and glass slide substrate by reactive magnetron sputtering. The niobium oxide films were further annealed and effect of post annealing on the crystallinity, microstructure and optical properties was studies. In order to identify the crystalline structure and microstructure, X-ray diffraction (XRD) and scanning electron microscope (SEM) measurement carried out. The optical property was determined by UV-Vis spectrophotometer. It has been observed that with increase in annealing temperature films become microcrystalline films. In particularly, the optical property of niobium oxide thin film also improves with annealing temperature.

APA, Harvard, Vancouver, ISO, and other styles

24

Isai, Masaaki, Katsuma Yamaguchi, Haruhiko Iyoda, Hiroshi Fujiyasu, and Yasumitsu Ito. "Oxygen Gettering Effect During the Reactive Evaporation of Manganese Oxide Films." Journal of Materials Research 14, no. 4 (April 1999): 1653–57. http://dx.doi.org/10.1557/jmr.1999.0222.

Full text

Abstract:

Manganese oxide films for lithium secondary batteries were prepared using a reactive evaporation method. Mn was evaporated from a molybdenum boat by resistive heating and deposited on a glass slide under oxygen atmosphere. These films were examined with x-ray photoelectron spectroscopy (XPS) and x-ray diffraction. The Mn oxide films with a wide valency of Mn were prepared in this study. A rapid change of the back pressure was found as the deposition of Mn was started. This implies that Mn atoms start to react with O2. This means that in situ detection of reactive evaporation process can be utilized.

APA, Harvard, Vancouver, ISO, and other styles

25

Luna-Moreno, Donato, Araceli Sánchez-Álvarez, and Melissa Rodríguez-Delgado. "Optical Thickness Monitoring as a Strategic Element for the Development of SPR Sensing Applications." Sensors 20, no. 7 (March 25, 2020): 1807. http://dx.doi.org/10.3390/s20071807.

Full text

Abstract:

The importance of the monitoring of thickness and rate deposition is indispensable for the fabrication of thin film sensors, such as SPR sensors. The sensitivity of SPR responses varies with the thickness of the film, as well as the linear range. Thus, in the present work, we presented an experimental study of the plasmonic response of Cr/Au thin films deposited onto glass slides by evaporation, based on both a rotation and no-rotation system. The results show that the thickness of the gold film varies from 240 to 620 Å, depending on the glass slide position. The SPR response curves obtained experimentally were compared with simulated plasmonic responses and different parameters such as resonance angle, and the depth, slope and half-width of the SPR curve were analysed.

APA, Harvard, Vancouver, ISO, and other styles

26

Shen, Y.-L. "Strength and interface-constrained plasticity in thin metal films." Journal of Materials Research 18, no. 10 (October 2003): 2281–84. http://dx.doi.org/10.1557/jmr.2003.0317.

Full text

Abstract:

This study seeks to provide a mechanistic rationale for the substrate confinement effect on the strength and plasticity of thin metal films. Atomistic simulations of tensile loading of the freestanding and substrate-bonded films were carried out. Particular attention was devoted to correlating the overall mechanical response and the defect mechanisms on the atomic scale. The existence of an interface with the underlying substrate was observed to constrain significantly the dislocation motion in the film. The extent of film strengthening due to the substrate was dictated by the capability of atoms to slide along the interface.

APA, Harvard, Vancouver, ISO, and other styles

27

ZUÑIGA-ROMERO, C. I., G. TORRES-DELGADO, S. JIMENEZ-SANDOVAL, O. JIMENEZ-SANDOVAL, and R. CASTANEDO-PEREZ. "INFLUENCE OF FIRING TEMPERATURE ON THE PROPERTIES OF CdO THIN FILMS OBTAINED BY THE SOL-GEL METHOD." Modern Physics Letters B 15, no. 17n19 (August 20, 2001): 726–29. http://dx.doi.org/10.1142/s0217984901002397.

Full text

Abstract:

CdO thin films were prepared by the sol-gel method, by using a precursor solution with cadmium acetate dihydrate as metal source. The films were obtained on slide-glass substrates and fired in open atmosphere at 200-450°C, at 50°C intervals. The X-ray data show that the films are polycrystalline with a NaCl cubic structure. The transmission of the films is 95-100% at wavelengths ≥600 nm, one of the highest obtained so far for CdO thin films. The atomic force microscopy results show that the grains coalesce, which results in morphology changes as the firing temperature increases. The resistivity showed its minimum value around 300°C (~10-3 Ω-cm).

APA, Harvard, Vancouver, ISO, and other styles

28

Kim, Dong Hun, Riichi Murakami, Yun Hae Kim, Kyung Man Moon, Seung Jung An, Tae Hyum Kim, and Pang Pang Wang. "The Characteristics of Multilayer Thin Films Deposited with Metal Thin Films (Ag, Al, Cu)." Advanced Materials Research 97-101 (March 2010): 1768–71. http://dx.doi.org/10.4028/www.scientific.net/amr.97-101.1768.

Full text

Abstract:

In order to study the characteristics of multilayer thin films with a ZnO/ metal/ ZnO structure the manufacture of the thin films was performed by a dc (direct current) magnetron sputtering system on slide glass substrates. The ZnO thin films were manufactured with the thicknesses of 30 nm and 50 nm. Three kinds of metals (Ag, Al and Cu) were deposited with the thicknesses of 4 nm, 8 nm, 12 nm and 16 nm. The electrical and optical properties of the manufactured thin films were then observed. As a result, the multilayer thin films with an Ag layer represented the most excellent electrical conductivity. This is due to the difference in the fundamental electrical properties of each of the metals. The structures of the metal particles deposited on the ZnO thin films were observed by an SEM (scanning electron microscope). The thin films exhibited a continuous structure with regular spaces between the metal particles. This resulted in an increase of transmittance. This is considered by the decrease of scattering and of light absorption on thin films with a continuous structure.

APA, Harvard, Vancouver, ISO, and other styles

29

Yoshitake, M., A. Thananan, T. Aizawaki, and K. Yoshihara. "Micro-XPS analysis of slide-tested TiN films with/without Cl+ implantation." Surface and Interface Analysis 34, no. 1 (2002): 698–702. http://dx.doi.org/10.1002/sia.1391.

Full text

APA, Harvard, Vancouver, ISO, and other styles

30

LEPIARCZYK, Dariusz, and Wacław GAWĘDZKI. "VIBRATION DIAGNOSTIC OF A FRICTION PROCESS IN SLIDE BEARINGS." Tribologia 278, no. 2 (May 1, 2018): 73–80. http://dx.doi.org/10.5604/01.3001.0012.6978.

Full text

Abstract:

An analysis of the condition of technical objects is carried out by diagnostic systems, the purpose of which is to detect irregularities in their operation and to prevent damages. In slide bearings, it applies to the diagnostic of friction and thermal phenomena of mating friction pairs. Among many methods of bearing diagnostics, special attention should be paid to vibration diagnostic methods based on measurements of relative vibration parameters or on absolute vibration (displacement, velocity, or acceleration of vibration). Methods of the vibration diagnostic of bearings rely on periodic or continuous measurements of relative vibration parameters of the bearing housing in relation to the rotor (in the case of slide bearings the measurements of the bearing sleeve in relation to the shaft neck) or absolute vibration parameters of the bearing housing (i.e. the sleeve in the case of slide bearing). The article presents a method of vibration diagnostics of friction phenomena that occur during the operation of slide bearings under various lubrication and load conditions. There are presented methods of analysis and the interpretation of measurement data obtained as a result of the conducted slide bearing tests on the laboratory stand. A method for assessing a technical condition of the slide bearing friction pairs is proposed.

APA, Harvard, Vancouver, ISO, and other styles

31

Yan, Gang Yin, Xin Zhang, Ying Zhuo Sheng, Peng Huang, and Buo Xue Feng. "Optical Properties of the 3-D Composite Photonic Crystals Prepared by Modified Dip-Coating and Coating First Method." Advanced Materials Research 306-307 (August 2011): 255–60. http://dx.doi.org/10.4028/www.scientific.net/amr.306-307.255.

Full text

Abstract:

3-D composite photonic crystals were fabricated on ITO substrates and slide glass substrates by two different methods, modified dip-coating and coating first method. It was found that there were lots of line defects existing in the composite films fabricated by dip-coating method but few existing in the composite films fabricated by coating first method. The reflectance spectra were measured by UV-vis spectrometry and revealed that all the fabricated photonic crystals exhibit a photonic band gap in the normal direction. The optical properties of the core-shell structure strongly depended on the intrinsic defects in the films.

APA, Harvard, Vancouver, ISO, and other styles

32

Sakulsaknimitr, Wissawat, Worasitti Sriboon, Kanyakorn Teanchai, Mati Horprathum, Chanunthorn Chananonnawathorn, Viyapol Patthanasettakul, and Wichian Siriprom. "Influence of Rapid Thermal Annealing on Structural, Optical and Electrical Properties of ITO Thin Films." Key Engineering Materials 675-676 (January 2016): 249–52. http://dx.doi.org/10.4028/www.scientific.net/kem.675-676.249.

Full text

Abstract:

Indium doped tin oxide (ITO) thin films were deposited on silicon wafer (100) and glass slide by ion assisted electron beam evaporation deposition. After deposition, the ITO thin films were annealed in vacuum (100-300°C) and their structural, optical and electrical properties were systematically investigated. X-ray diffraction,atomic force microscopy, ultraviolet–visible (UV–vis) spectrophotometer and hall-effect measurement were employed to obtain information on the crystallization, transmission and resistivity the films.It was found that the rapid thermal annealing can improve the resistivity of ITO thin films which specializes for the transparent conductive layers.

APA, Harvard, Vancouver, ISO, and other styles

33

Park, Young-Min, Byung-Soon Kim, and Young-A. Son. "Multi-layer preparation of phthalocyanine dye and diazonium resin using a self-assembly fabrication method." Journal of Porphyrins and Phthalocyanines 10, no. 07 (July 2006): 991–95. http://dx.doi.org/10.1142/s1088424606000338.

Full text

Abstract:

By using the electrostatic self-assembly technique, arranged multi-layer thin films composed of diazonium resin as the polycation and phthalocyanine as the anion, were alternately fabricated on a glass slide. The obtained multi-layers were characterized by UV-vis spectroscopy and Atomic Force Microscopy (AFM). The growth of multi-layers formed by the sequential alternative adsorption of diazonium resin and phthalocyanine was observed and determined. The results of UV-vis absorption show that the deposition process is progressive and uniform. In addition, AFM images of the self-assembled multi-layer films reveal that the surface of the films is relatively uniform.

APA, Harvard, Vancouver, ISO, and other styles

34

Qian, Shanhua. "Experimental investigation of the tribological property of low viscosity lubricant under micro confined space." Industrial Lubrication and Tribology 67, no. 6 (September 14, 2015): 594–99. http://dx.doi.org/10.1108/ilt-02-2015-0017.

Full text

Abstract:

Purpose – This paper aims to present the probable factors resulting in the lubrication failure in detail, based on the experimental study on the tribological property of the low-viscosity lubricant subjected to the different slide/roll ratios and loads under micro confined space. Design/methodology/approach – The interference images and the traction coefficients of the spindle oil with low viscosity were recorded using a ball-on-disc test rig. Moreover, the corresponding flash temperatures were obtained via an analytical method. Findings – More scratches can be observed in the interference images with higher slide/roll ratios. The applied load plays a significant role in the variation of the traction coefficient under different slide/roll ratio, and higher load resulted in lower traction coefficient. The flash temperature generated in the point contact zone non-linearly increases with increasing slide/roll ratio. Originality/value – The flash temperature is not a crucial factor which results in these scratches in the interference images. Moreover, it is probable that the micro confined space is in boundary lubrication at higher shear rates.

APA, Harvard, Vancouver, ISO, and other styles

35

Zhang, Shu Juan, Ming Sheng Li, Shang Lin Feng, and Chong Cao. "The Research of the Zn₂TiO₄ Films Grown by Magnetron Sputtering." Advanced Materials Research 900 (February 2014): 415–18. http://dx.doi.org/10.4028/www.scientific.net/amr.900.415.

Full text

Abstract:

The uniform and transparent Zn2TiO4series thin films were successfully deposited on medical glass slide by magnetron sputtering. The influences of the Zn-doped quantity and annealing treatment on films properties were investigated. Film structure, surface morphologies and optical properties were measured with XRD, SEM and UV-VIS transmittance spectroscope. The results show that the Zn-doped quantity and annealing treatment have influence on the absorption edges. The absorption edges of the films can increase 10nm after annealing treatment. The intensity of c-series ZnTiO3diffraction peaks is higher, which may be that the grain size is bigger and the crystallization is complete. The annealing treatment not only growing up grain size of composite films, but also the surface films have tiny crack phenomenon.

APA, Harvard, Vancouver, ISO, and other styles

36

Wongcharoen, Ngamnit, and Thitinai Gaewdang. "Influence of Annealing Temperature on the Properties of SnS Thin Films Prepared by Vacuum Thermal Evaporation." Materials Science Forum 890 (March 2017): 295–98. http://dx.doi.org/10.4028/www.scientific.net/msf.890.295.

Full text

Abstract:

SnS thin films were deposited by thermal evaporation in vacuum on glass slide substrate. The as-deposited films were thermally annealed in a controlled N2 atmosphere with annealing temperature in the range 100-500°C for 30 min. XRD, AFM, UV-VIS transmittance, FTIR and Hall effect measurements were used for characterization the as-deposited and annealed films. Based on the XRD patterns, the as-deposited and annealed films were indentified as the orthrombic structure. The band gap was found to increase from 1.15 to 1.42 eV when the annealing temperature increased from 100 to 500°C. The lowest resistivity and highest carrier concentration values were observed to be 12.95 Ω.cm and 1.98×1016 cm-3 on the films annealed at 100 and 200°C, respectively.

APA, Harvard, Vancouver, ISO, and other styles

37

Sangwaranatee, Narong, Mati Horprathum, and Jakrapong Kaewkhao. "Influence of Sputtering Power on Structural and Optical Properties of Ta₂O₅ Thin Films Prepared by DC Reactive Magnetron Sputtering." Advanced Materials Research 979 (June 2014): 431–34. http://dx.doi.org/10.4028/www.scientific.net/amr.979.431.

Full text

Abstract:

In this article, amorphous tantalum oxide thin films were deposited by dc reactive magnetron sputtering onto silicon (001) wafer and glass slide substrates. Sputtering power has been varied for optimizing thin film quality. The structural and optical properties of the Ta2O5 thin films were investigated by using X-ray diffraction, UV-Vis spectrophotometer and spectroscopic ellipsometry respectively. The XRD pattern result indicates that the films are amorphous. It was found that the growth rate was also increased with increasing dc power up to 250 W, and the maximum growth rate observed at 250 W was 0.25 nm/s. In addition, the refractive index and packing density of the films increases with increasing dc sputtering power.

APA, Harvard, Vancouver, ISO, and other styles

38

Křupka, I., and M. Hartl. "Experimental Study of Microtextured Surfaces Operating Under Thin-Film EHD Lubrication Conditions." Journal of Tribology 129, no. 3 (February 9, 2007): 502–8. http://dx.doi.org/10.1115/1.2738477.

Full text

Abstract:

The effect of microdents within thin elastohydrodynamics (EHD) contacts has been studied by two measurement techniques. Phase-shifting interferometry was used to obtain topography of microtextured surface and thin-film colorimetric interferometry provided detailed information about film thickness changes within a lubricated contact. The behavior of microdents has been observed for positive slide-to-roll ratios when the disk is moving faster than the microtextured ball. The depth of microdents has been found to play significant role as to the lubrication films efficiency. The presence of deep microdents within lubricated contact results in film thickness reduction downstream that can even cause lubrication film breakdown. As the depth of microdents is reduced, this effect diminishes and beneficial effect of microdents on film thickness formation has been observed. No such an effect of microdent depth on lubricant film shape has been observed in case of negative slide-to-roll conditions when microdents do not cause film thickness reduction regardless of their depths. Obtained results suggest that surface texturing using microdents of an appropriate depth could help to increase lubrication films capabilities.

APA, Harvard, Vancouver, ISO, and other styles

39

Shozui, T., Kanji Tsuru, Satoshi Hayakawa, and Akiyoshi Osaka. "In Vitro Apatite-Forming Ability of Titania Films Depends on Their Substrates." Key Engineering Materials 330-332 (February 2007): 633–36. http://dx.doi.org/10.4028/www.scientific.net/kem.330-332.633.

Full text

Abstract:

Titania films were coated by means of sol-gel method on various substrates such as titanium, titanium alloy, silicon wafer, stainless-steel, alumina, and glass slide where they coded as C5Ti, C5Ti6Al4V, C5Si, C5SUS, C5Al2O3 and C5GS, respectively. Their in vitro apatite-forming ability was examined with the Kokubo’s simulated body fluid (SBF; pH 7.4, 36.5°C). C5Ti, C5Ti6Al4V and C5Si deposited apatite particles on their surface within 7 days, whereas, C5SUS, C5Al2O3 and C5GS did not. These results implied that the in vitro apatite-forming ability of the titania films indirectly depended on the chemical or physical properties of the substrates.

APA, Harvard, Vancouver, ISO, and other styles

40

FENG, QIAN, DONGYAN TANG, ZAIQIAN YU, SHUO GU, and ENYING JIANG. "FABRICATION OF UNIFORM AND COMPACT ZnO THIN FILMS BY LANGMUIR–BLODGETT METHOD." Surface Review and Letters 20, no. 05 (October 2013): 1350047. http://dx.doi.org/10.1142/s0218625x13500479.

Full text

Abstract:

In this paper, stearic acid/ Zn2+ monolayer were formed at air–water interface and then multilayers were deposited onto a glass slide by Langmuir–Blodgett method. After annealing at 300°C for 0.25 h and 550°C for 2 h, ZnO thin films were fabricated. The optimized parameters for monolayer formation and multilayers deposition were determined by the surface pressure-surface area (Π-A) isotherm and transfer ratio (t.r.), respectively. The results of X-ray diffraction showed that multilayers changed into ZnO thin films with hexagonal structure and of high crystallization after annealing at high temperature. The observation of SEM images indicated that ZnO thin films had a uniform and flat surface with compact arrangement.

APA, Harvard, Vancouver, ISO, and other styles

41

Tong, Fei, Jie Gong, Hengfei Qin, Jinlong Jiang, and Lixiong Zhang. "Low Concentration Synthesis of Super-Amphiphilic Nanoflake ZSM-5 Film with Adjustable Property." Nano 15, no. 10 (October 2020): 2050124. http://dx.doi.org/10.1142/s1793292020501246.

Full text

Abstract:

High silica zeolite ZSM-5/glass film was successfully synthesized by an in-situ sol–gel dip-coating process combined with the steam-assisted conversion (SAC) technique with low concentration of the synthesis solution. The resulting zeolite films grown on the glass slide show amphiphilic properties. The growing process and the effect of the concentration of SiO2 in the silica source were examined. The mechanism of the formation of the nanoflake crystals and their wetting behavior was investigated. By simply adding fluorescein in the synthesis solution during the preparation, ZSM-5 films showing luminescence property can be obtained. Furthermore, these ZSM-5 zeolite films are easily modified to exhibit hydrophobic property.

APA, Harvard, Vancouver, ISO, and other styles

42

Valaiauksornlikit, Mano, Worawarong Rakreungdet, Mati Horprathum, Pitak Eiamchai, Viyapol Patthanasettakul, and Pongpan Chindaudom. "Effect of Thickness on Microstructure, Electrical and Optical Properties of Zirconium Nitride Thin Film Prepared by DC Reactive Magnetron Sputtering at Room Temperature." Advanced Materials Research 770 (September 2013): 217–20. http://dx.doi.org/10.4028/www.scientific.net/amr.770.217.

Full text

Abstract:

Zirconium Nitride (ZrN) thin films were prepared by dc reactive magnetron sputtering without an external substrate heating on silicon (100) wafer and glass slide. The as-deposited films obtained from different conditions and various films thickness was investigated for physical, optical and electrical properties. First, the microstructure and film morphology were examined by X-ray diffraction (XRD), field-emission scanning electron microscope (FE-SEM). The optical transparency was measured by UV-vis spectrophotometer. Finally, the electrical properties, based on measured resistivity, were studied by four-point probe. The result showed that the ZrN films were all well orientated in the (111) plane. When the film thickness was increased, the grain size was also increased. The effect of the film thickness was observed in the charge in colors and optical transmission of the films.

APA, Harvard, Vancouver, ISO, and other styles

43

Sangchay, Weerachai, Lek Sikong, and Kalayanee Kooptarnond. "Light Absorption and Structural Properties of TiO₂-AgCl Thin Films Doped with Cu by Sol-Gel Process." Advanced Materials Research 488-489 (March 2012): 14–18. http://dx.doi.org/10.4028/www.scientific.net/amr.488-489.14.

Full text

Abstract:

TiO2-AgCl thin films doped with Cu were prepared by sol-gel and coated on glass slide by dip coating process. The prepared thin films were synthesized at the temperature of 400 ◦C for 2 h with a heating rate of 10◦C/min. The microstructures of synthesized thin films were characterized by XRD, AFM and SEM. Finally, the light absorption property was evaluated by UV-vis diffuse reflectance spectroscopy. The results show all samples have the thickness in range of 200-250 nm and surfaces are dense with a large surface area. It was found that Cu doping has an effect on light absorption and structure properties of the synthesized thin films. It can be noted that TiO2-AgCl-5Cu thin films showed the highest light absorption (2.50%) under UV irradiation.

APA, Harvard, Vancouver, ISO, and other styles

44

Kasemanankul, P., N. Witit-Anun, S. Chaiyakun, and P. Limsuwan. "Influence of the Substrate Bias Voltage on the Structure of Rutile TiO₂ Films Prepared by Dual Cathode DC Unbalanced Magnetron Sputtering." Advanced Materials Research 506 (April 2012): 82–85. http://dx.doi.org/10.4028/www.scientific.net/amr.506.82.

Full text

Abstract:

Rutile TiO2 films are normally used as biomaterial that synthesized on unheated stainless steel type 316L and glass slide substrates by dual cathode DC unbalanced magnetron sputtering. The influence of the substrate bias voltages (Vsb), from 0 V to-150V, on the structure of the as-deposited films was investigated. The crystal structure was characterized by grazing-incidence X-ray diffraction (GIXRD) technique, the films thickness and surface morphology was evaluated by atomic force microscopy (AFM) technique, respectively. The results show that the as-deposited films were transparent and have high transmittance in visible regions. The crystal structure of as-deposited films show the XRD patterns of rutile (110) with Vsb at 0V and shifted to rutile (101) with increasing Vsb. The films roughness (Rrms) and the thickness were 3.0 nm to 5.7 nm and 420 nm to 442 nm, respectively.

APA, Harvard, Vancouver, ISO, and other styles

45

Chen, Hong Ying, Lien Teng Kuo, Wan Yu Chang, and Cheng Hsien Tsai. "Cuprous Oxide Films Prepared by Using a Microwave Atmospheric Pressure Plasma Torch." Advanced Materials Research 47-50 (June 2008): 1015–18. http://dx.doi.org/10.4028/www.scientific.net/amr.47-50.1015.

Full text

Abstract:

A 2.45 GHz microwave atmospheric pressure torch is employed to prepare cuprous oxide films. The sputtered copper films are firstly deposited on slide glass. After that, the films are annealed in air at 500°C for 12 h, which would directly oxidize into cupric oxide. The annealed films are then treated by atmospheric nitrogen plasma at 800 W for 10 min. The color changed significantly from black to reddish brown after nitrogen plasma treatment. The X-ray diffraction patterns show that annealed films are cupric oxide which is vanished after plasma treatment. The cuprous oxide films appeared after nitrogen plasma treatment. The resistivity of annealed films is 16.7 --cm, which reduce to 2.08 --cm after plasma treatment. The optical band gap of annealed films, cupric oxide phase, is 2.1 eV but the value shifts toward 2.4 eV after plasma treatment. The novel microwave plasma torch posses a fast and easy way to fabricate cuprous oxide films.

APA, Harvard, Vancouver, ISO, and other styles

46

Musa, Muharniza Azinita, Jariah Mohamad Juoi, Zulkifli Mohd Rosli, and Nur Dalilah Johari. "Effect of Degussa P25 on the Morphology, Thickness and Crystallinity of Sol-Gel TiO₂ Coating." Solid State Phenomena 268 (October 2017): 224–28. http://dx.doi.org/10.4028/www.scientific.net/ssp.268.224.

Full text

Abstract:

The deposition of titanium dioxide, TiO2, films on various substrates was studied in order to take benefit of its antimicrobial properties for suitable application in related fields. In this paper, the effect of Degussa P25 (a commercial TiO2 nanoparticles additive in the sol) on the morphology, thickness and crystallinity of the deposited TiO2 was investigated. TiO2 films, without and with Degussa P25, were deposited on glass slides and unglazed ceramic tiles via sol-gel process. Films were deposited ten times using dip coating technique and heat treated at 500°C for 1 hour. The coating morphologies and thickness were analyzed using Scanning electron microscope (SEM), while the crystalline phases were characterized using Glancing angle X-ray Diffraction (GAXRD). Results show that the addition of Degussa P25 produces coating with homogeneous morphology and less cracks, thicker film and promotes the presence of anatase and rutile phases. It was also observed that the deposition of TiO2 with Degussa P25 on unglazed ceramic tile produced thicker film (~120mm) as compared to the film deposited on glass slide (~7mm). Thus, it can be concluded that the addition of Degussa P25 affect the morphology, thickness and crystallinity of the TiO2 coatings, whereas the type of substrate only affects the coating morphology and thickness, but not the crystallization of the TiO2 coating.

APA, Harvard, Vancouver, ISO, and other styles

47

SUGAWARA, Toshifumi, Takanori TAKENO, Hiroyuki MIKI, Toshiyuki TAKAGI, and Takeshi SATO. "140 Inspection of Metal-containing amorphous carbon films as novel conductive slide elements." Proceedings of Conference of Tohoku Branch 2009.44 (2009): 78–79. http://dx.doi.org/10.1299/jsmeth.2009.44.78.

Full text

APA, Harvard, Vancouver, ISO, and other styles

48

Kadhim, Waleed Khalid. "Preparation and Studying the Optical Properties of (Sb2o3) Thin Films." JOURNAL OF UNIVERSITY OF BABYLON for Pure and Applied Sciences 26, no. 10 (December 24, 2018): 249–56. http://dx.doi.org/10.29196/jubpas.v26i10.1881.

Full text

Abstract:

In this paper I present the preparation of (Sb2o3) thin films using thermal evaporation in vacuum, procedure with different thickness (100 ,150 ,200 ,and 250) nm, by using ( hot plate) from Molybdenum matter at temperature in ( 9000c) and the period of time (15mint) ,the prepared in a manner thermal evaporation in a vacuum and precipitated on glass bases, pure Antimony Trioxide (sb2o3 ) thin films with various condition have been successfully deposited by (T.E.V) on glass slide substrates. The substrates temperature of about 100oC and the vacuum of about 10-6 torr, to investigated oxidation of evaporated, measure spectra for prepared films in arrange of wavelength (250 – 1100 nm). The following optical properties have been calculated: the absorption coefficient, the forbidden (Eg) for direct and indirect transitions "absorbance, refractive index, extinction coefficient, real and imaginary parts" of the dielectric constant.

APA, Harvard, Vancouver, ISO, and other styles

49

Mohan, C. B., K. Venkatesh, C. Divakar, K. Gopalakrishna, L. Murali, and K. G. Lakshminarayana Bhatta. "Development of novel additives for slide way lubricants." Industrial Lubrication and Tribology 67, no. 2 (March 9, 2015): 110–18. http://dx.doi.org/10.1108/ilt-06-2012-0059.

Full text

Abstract:

Purpose – The paper aims to address the formulation of zirconium and oxalicum additive-based lubricants for use in slide ways to meet the demands of high positioning exactness based on reduction in stick–slip and coefficient of friction over a wide speed range and compares the same with commercially available lubricant. Design/methodology/approach – An investigation into the frictional properties and stick-slip behavior of lubricating oil is carried out using linear reciprocating tribometer and correlated with ultraviolet spectroscopic analysis. Findings – It is observed that these transition metal additive compounds support in increasing the flexibility of the molecular chains leading to improved lubricity. Originality/value – The lubricant additives considered for the current study are based on transition metals zirconium and oxalicum. It is observed that these additive compounds support in increasing the flexibility of the molecular chains, leading to improved lubricity.

APA, Harvard, Vancouver, ISO, and other styles

50

Suriyasirikun, S., S. T. Khlayboonme, and W. Thowladda. "Phase-Shifting Interferometry for Surface Roughness Measurement on Glass Substrates." Advanced Materials Research 979 (June 2014): 463–66. http://dx.doi.org/10.4028/www.scientific.net/amr.979.463.

Full text

Abstract:

Phase shifting interferometry based on Michelson interferometer is purposed to measure surface roughness of glass slides which are widely used as substrates for thin-film coating processes. For the interferometry system, an optical flat with a flatness of λ/20 is used as a reference mirror. The high accuracy of the phase shifting is achieved by a piezoelectric-driven linear translation stage of the reference mirror. The reference-phase difference between the two-interfering beams is shifted by every π/2 in phase shifting. Five frames of interferograms under various phase differences of 0, π/2, π, 3π/2 and 2π are recorded by a CCD camera. Each image pixel of these frames is interpreted to access interference intensity information by five-step phase shifting algorithm for phase calculation, which in turn relates to surface height. The purpose-built interferometry is tested by the surfaces of two optical flats with flatness of λ/10 and λ/4, which are used as the test surfaces. Our measured flatness results are consistent with those of the commercial optical profilometer. The usefulness of the purpose-built interferometry is demonstrated on two types of the glass slides. Aluminum thin films are also deposited on these glass slides by the RF magnetron sputtering method to enhance reflectivity of the glass slide surfaces. The surface profiles and flatness parameters of these glass slides have been reported.

APA, Harvard, Vancouver, ISO, and other styles

Journal articles on the topic 'Slide films'

Create a spot-on reference in APA, MLA, Chicago, Harvard, and other styles