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Dissertations / Theses on the topic 'Double-layer film'

Author: Grafiati

Published: 28 May 2022

Last updated: 31 July 2025

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1

Чорноус, Анатолій Миколайович, Анатолий Николаевич Чорноус, Anatolii Mykolaiovych Chornous, et al. "Magneto-deformation effect in double-layer nanodimentional film systems." Thesis, Видавництво СумДУ, 2011. http://essuir.sumdu.edu.ua/handle/123456789/20537.

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2

Sudradjat, Faisal. "50%-50% Beam Splitters Using Transparent Substrates Coated by Single- or Double-Layer Quarter-Wave Thin Films." ScholarWorks@UNO, 2006. http://scholarworks.uno.edu/td/376.

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A pair of light beams that have orthogonal polarizations and equal intensity can be generated through reflection and refraction of a monochromatic light at a dielectric surface. Sytematic procedures to design beam splitters which can produce such output light beams are described in this thesis. Two designs that are of particular interest are prismatic substrates coated by a single layer and a double layer of thin films. Specific examples of each beam splitter in the visible and infrared are included. The performance of each beam splitter as a function of incidence angle, film thicknes

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3

Johnson, Alexanne Holcombe. "Growth and Characterization of Double Perovskite Buffer Materials for Thin Film Applications." The Ohio State University, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=osu1397479975.

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4

Однодворець, Лариса Валентинівна, Лариса Валентиновна Однодворец, Larysa Valentynivna Odnodvorets, et al. "Electrophysical, Magnetoresistivity and Magneto-optical Properties of Multilayer Materials Based on Nanocrystalline and Amorphous Films." Thesis, Sumy State University, 2012. http://essuir.sumdu.edu.ua/handle/123456789/35009.

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In work is presented to the results of complex investigate of phase formation, thermal resistivite, magnetoresistive and magneto-optical properties of multilayers based Fe and Pd, Ag or Ge, which obtained by sequential condensation of the layers with following thermal annealing. Investigation of phase formation processes of thin film systems and established of correlation between this processes and above-mention physical properties. When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/35009

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5

Huang, Kaiwu. "Surface Forces in Thin Liquid Films." Diss., Virginia Tech, 2020. http://hdl.handle.net/10919/104111.

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Thin liquid films (TLFs) of water are ubiquitous in daily lives as well as in many industrial processes. They can be formed between two identical phases, as in colloid films between two macroscopic surfaces and foam films between two air bubbles; and between two dissimilar phases, as in wetting films. Stability of the colloids, foams, and wetting films is determined by the surface forces in the TLFs. Depending on the nature of the surfaces involved, the stabilities can be predicted using combinations of three different forces, i.e., the van der Waals, electrical double layer (EDL), and hydroph

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6

Poláček, Tomáš. "Parametry mazací vrstvy a třecích povrchů v kontaktu pracujícím v režimu superlubricity." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2021. http://www.nusl.cz/ntk/nusl-443755.

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The work investigates the reduction of friction between non-conformal macro contacts with partial slip. The measurement of the coefficient of friction, with the magnitude of the superlubricity, is extended by the influence of relative slip, direct observation of the contact area and the measurement of the thickness of the lubricating film. It also includes a comparison of changes in topography by friction. The experiments were mainly performed on a ball-on-disk tribometer with measuring the film thickness by colorimetic interferometry. The surface roughness changes were investigated using an o

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7

Roy, Amit Kumar. "Atomic Layer Deposition onto Fibers." Doctoral thesis, Universitätsbibliothek Chemnitz, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-qucosa-85451.

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The main goal of this dissertation was to show that the principle of atomic layer deposition (ALD) can be applied to “endless” fibers. A reactor of atomic layer deposition has been designed, especially for coating depositions onto meter long bundles of fibers. Aluminum oxide (alumina), titanium oxide (titania), double layers of alumina and titania, as well as aluminium phosphate have been deposited onto bundles of carbon fibers using the home-built reactor. Scanning electron microscopic (SEM) and transmission electron microscopic (TEM) images indicate that the coatings were uniform and conform

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8

Psaltis, Steven Timothy Peter. "Multicomponent charge transport in electrolyte solutions." Thesis, Queensland University of Technology, 2012. https://eprints.qut.edu.au/60964/1/Steven_Psaltis_Thesis.pdf.

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The work presented in this thesis investigates the mathematical modelling of charge transport in electrolyte solutions, within the nanoporous structures of electrochemical devices. We compare two approaches found in the literature, by developing onedimensional transport models based on the Nernst-Planck and Maxwell-Stefan equations. The development of the Nernst-Planck equations relies on the assumption that the solution is infinitely dilute. However, this is typically not the case for the electrolyte solutions found within electrochemical devices. Furthermore, ionic concentrations much hig

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9

Stragier, Anne-Sophie. "Elaboration et caractérisation de structures Silicium-sur-Isolant réalisées par la technologie Smart Cut™ avec une couche fragile enterrée en silicium poreux." Thesis, Lyon, INSA, 2011. http://www.theses.fr/2011ISAL0108.

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Au vu des limitations rencontrées par la miniaturisation des circuits microélectroniques, l’augmentation de performances des systèmes repose largement aujourd’hui sur la fabrication d’empilements de couches minces complexes et innovants pour offrir davantage de compacité et de flexibilité. L’intérêt grandissant pour la réalisation de structures innovantes temporaires, i.e. permettant de réaliser des circuits sur les deux faces d’un même film, nous a mené à évaluer les potentialités d’une technologie combinant le transfert de films minces monocristallins, i.e. la technologie Smart Cut™, et un p

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10

Singh, Gaurav. "Interface Driven Dynamics at Nanoscales:Polymer thin films and Electrical Double Layer." Diss., Virginia Tech, 2006. http://hdl.handle.net/10919/30261.

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The electrical double layer (EDL) is formed due to the accumulation of charge at the interface of a metal surface in contact with an electrolyte. The total charge in the EDL compensates the charge on the metal surface. As EDL is the layer that "connects" the electrode to the "bulk", all electrode mediated transport and redox reaction depends on the structure and dynamics of the ions in the EDL. Thus the ion dynamics in the EDL are critical to a wide range of physical and biological phenomena such as electrochemical reaction, flow in channels of nanofluidic devices, wetting of fluids; to biolog

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11

El, Hajjam Khalil. "Ingénierie de jonctions tunnel pour améliorer les performances du transistor mono-électronique métallique." Thèse, Université de Sherbrooke, 2016. http://hdl.handle.net/11143/8508.

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Résumé: Aujourd’hui plusieurs obstacles technologiques et limitations physiques s’opposent à la poursuite de la miniaturisation de la technologie CMOS : courants de fuite, effet de canal court, effet de porteurs chauds et fiabilité des oxydes de grille. Le transistor à un électron (SET) fait partie des composants émergents candidats pour remplacer les transistors CMOS ou pour constituer une technologie complémentaire à celle-ci. Ce travail de thèse traite de l’amélioration des caractéristiques électriques du transistor à un électron en optimisant ses jonctions tunnel. Cette optimisation commen

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12

Hajjam, Khalil El. "Ingénierie de jonctions tunnel pour améliorer les performances du transistor mono-électronique métallique." Thesis, Lyon, INSA, 2015. http://www.theses.fr/2015ISAL0111/document.

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Aujourd’hui plusieurs obstacles technologiques et limitations physiques s’opposent à la poursuite de la miniaturisation de la technologie CMOS : courants de fuite, effet de canal court, effet de porteurs chauds et fiabilité des oxydes de grille. Le transistor à un électron (SET) fait partie des composants émergents candidats pour remplacer les transistors CMOS ou pour constituer une technologie complémentaire à celle-ci. Ce travail de thèse traite de l’amélioration des caractéristiques électriques du transistor à un électron en optimisant ses jonctions tunnel. Cette optimisation commence tout

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13

CHUN-WEI-SHIH and 施鈞維. "The Study on ZnO and IGZO Double Layer Thin Film Transistors." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/78509074584893755068.

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碩士<br>國立暨南國際大學<br>電機工程學系<br>104<br>This thesis has two parts. First, the IGZO TFTs were fabricated by Pulsed-DC sputter deposition with different gas flow rate, oxygen ratio, and RF-power. Second, the double-layer TFTs were fabricated with IGZO and ZnO thin films. As results, for IGZO TFTs, the devices fabricated with oxygen ratio of 4-6%, total flow of 125 sccm, and RF-power of 125 W showed the lower threshold-voltage, higher mobility, higher On/Off current ratio, and lower sub-threshold swing than that of other samples. For IGZO/ZnO double-layer TFTs, the devices fabricated at RF-power of 12

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14

PingChou and 周平. "Double Sensing Layer of Organic Thin-Film Transistors-based Ethanol Gas Sensor." Thesis, 2015. http://ndltd.ncl.edu.tw/handle/33jscd.

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碩士<br>國立成功大學<br>微電子工程研究所<br>103<br>The goal of this research is to enhance the sensitivity and stability of the OTFT ethanol gas sensor by adding a CuPc buffer-sensing layer. Because the sensing layer is the most important part of the gas sensor, this research modulated the thickness of CuPc layer and changed different evaporation rate of the Pantacene active layer of the ethanol gas sensor device to improve the performance. Moreover, the CuPc buffer layer, which possessed well sensitivity for ethanol, can effectively enhance the sensing response of the gas sensor. According to the experimenta

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15

Hsiao, Chung-Chun, and 蕭仲均. "Low Contact Resistance Carbon Film Modified Current Collectors for Electric Double Layer Supercapacitor." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/00833912800492107182.

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16

Liu, Cheng, and 劉政. "Effects of Mg doping on Double Channel Layer AP-PECVD Fabricated a-IGZO Thin Film Transistors." Thesis, 2019. http://ndltd.ncl.edu.tw/handle/67meh8.

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碩士<br>國立交通大學<br>國際半導體產業學院<br>107<br>a-IGZO has been proved to be a suitable material for the channel layer in a thin film transistor, showing high mobility even in low temperature fabrication, device electrical characteristic exceeds a-Si or other metal oxide semiconductor materials. Ever since it was first discovered to show semiconductor like characteristic in 2004, researches around the world has been conducted to further improve device performance. In this work we fabricate bottom gate top contact TFT, depositing a-IGZO as channel layer by AP-PECVD. A double channel layer is used in this w

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17

Liao, Wen-Shiang, and 廖文翔. "Study of Low-temperature Double Passivation Layer and its Application to Hydrogenated Amorphous Silicon Thin Film Transistors." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/47828852311930861913.

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18

Hsu, Wei-Heng, and 許維恆. "The Study of Double Layer High-k Gate Stacks ZrO2/LaAlO3 IGZO Thin-Film Transistors Prepared by APPJ." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/89719701577043337829.

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碩士<br>國立交通大學<br>電子工程學系電子研究所<br>102<br>Indium-gallium-zinc-oxide thin-film transistors (IGZO TFTs) have gathered importance in recent years. IGZO material have been widely used for backplanes of the next-generation flat-panel displays, such as active matrix liquid crystal displays (AMLCDs) and active matrix organic light emitting diode displays (AMOLEDs) due to their high field-effect mobility, large Ion/Ioff ratio, smaller subthreshold swing. IGZO films deposited by atmospheric pressure plasma jet (APPJ) has many advantages such as low cost and good suitability for large scale applications, s

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19

Chen, Wen-Tzu, and 陳玟慈. "Study on Back-Channel Etched Double Layer In-W-O/In-W-Zn-O Thin Film Transistors Technology." Thesis, 2017. http://ndltd.ncl.edu.tw/handle/4cf7qa.

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20

Tsai, Cheng-Hsun, and 蔡承勳. "Sensitivity enhancement of surface plasmon resonance (SPR) fiber sensor using a double-layer of organic-thin-film/Au structure." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/80360219681792661402.

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碩士<br>大同大學<br>光電工程研究所<br>100<br>The technique of surface plasmon resonance （SPR）has applied widely to the biological and chemical sensing. The traditional surface plasmon resonance sensor was made based on the prism structure. Recently, the SPR fiber sensors based on fiber structure have been reported in the literatures. The advantages of the SPR fiber sensors including small volume, light weight, low cost, and flexibility have also been demonstrated. The SPR fiber sensor has the same sensitivity compared with the traditional SPR sensor, so it can be used more widely. The multi-mode fiber whi

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21

Yu, Hsuan-feng, and 余宣鋒. "STUDY OF SENSITIVITY ENHANCEMENT FOR SURFACE PLASMON RESONANCE FIBER SENSOR BASE ON DOUBLE-LAYER OF ORGANIC-THIN-FILM/AU STRUCTURE AND ALCOHOL SURFACE MODIFICATION." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/90791692905686230620.

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碩士<br>大同大學<br>光電工程研究所<br>101<br>In this study, we coated an organic dielectric thin film on the Au film layer to improve the sensitivity of SPR fiber sensor. The PMMA thin film was coated on the Au film surface as the dielectric layer to replace the ordinary oxide or nitride inorganic dielectric layer, in order to fabricate a double-layer organic-thin-film/Au structure for the SPR fiber sensor with high sensitivity. The dip center wavelength of the SPR can be modulated by changing the thickness of the organic thin film. Additionally, the PMMA layer was soaked in a high-concentration alcohol so

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22

Li, Juan–xun, and 李建勳. "STUDY OF A SURFACE PLASMON RESONANCE FIBER SENSOR WITH TWO RESONANCE RESPONSE REGION BASED ON A DOUBLE-LAYER OF ZnO-THIN-FILM/Au STRUCTURE." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/74318432049792896434.

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碩士<br>大同大學<br>光電工程研究所<br>101<br>The phenomenon of surface plasmon resonance (SPR) has been widely applied in the biological and chemical sensing for characterizing and quantifying biomolecular interactions. The advantages of SPR detective method have high sensitive response, dynamic study in real-time, and label-free for biological sensing. Optical fiber sensor has the characteristics of small volume, low cost, immune to environment and with the same scheme as SPR detectors. In this work, we fabricated a conventional SPR fiber sensor with two SPR-dip spectra, using a selectively masking metho

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23

Roy, Amit Kumar. "Atomic Layer Deposition onto Fibers." Doctoral thesis, 2011. https://monarch.qucosa.de/id/qucosa%3A19686.

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The main goal of this dissertation was to show that the principle of atomic layer deposition (ALD) can be applied to “endless” fibers. A reactor of atomic layer deposition has been designed, especially for coating depositions onto meter long bundles of fibers. Aluminum oxide (alumina), titanium oxide (titania), double layers of alumina and titania, as well as aluminium phosphate have been deposited onto bundles of carbon fibers using the home-built reactor. Scanning electron microscopic (SEM) and transmission electron microscopic (TEM) images indicate that the coatings were uniform and conform

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24

Huang, Yan-Cheng, and 黃彥程. "Bipolar resistive switching of NiO/HfO double-layer thin films." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/30159625652929499839.

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碩士<br>國立東華大學<br>物理學系<br>104<br>Double-layers of nickel oxide/hafnium dioxides (NiO/HfO2) are synthesized on p-Si wafers using hot-filament metal oxide deposition technique. The thickness of the HfO2 thin films is controlled using the deposition time while the synthesis of NiO are kept same. The morphological feature and thickness of the thin films is observed using field-emission scanning electron microscopy (FESEM) equipped with the backscattering electron (BE) microscopy. The chemical compositions of the bi-layer NiO/HfO2 layer is confirmed using energy dispersive spectroscopy (EDS). Using X

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25

Lin, Wu-Chen, and 林武辰. "Dynamic Analysis of an Ultrasonic Motor with a Vibrator Having Double Layer Piezo Films." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/26511035900104397021.

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碩士<br>國立臺灣大學<br>機械工程學研究所<br>95<br>This study proposes the conceptual design of a ring-type vibrator with double layer piezo films for a rotary traveling wave ultrasonic motor to achieve the larger displacement and faster speed compared with a single layer piezo film. When the vibrator is excited, it generates the traveling wave to rotate the rotor. The vibratory model of the vibrator is generated by utilizing the classic plate theory and the electroelastic theory to obtain the analytical solution of the vibrator displacement. A contact model of the vibrator and the rotor is generated by using

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26

CHUANG, LI-YANG, and 莊立揚. "Studies of double-layer transparent conductive films applied for heterojunction solar cell with poly-silicon passivation layers." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/kmcu65.

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碩士<br>明新科技大學<br>光電系統工程系碩士班<br>107<br>In this thesis, heterojunction silicon solar cell with n-type polycrystalline silicon (poly-Si) passivation layers and using a double-layer transparent conductive films as anti-reflection layers of the heterojunction silicon solar cell were studied. In the experiment, the surface reflectance can be decreased by using such multiple layers with high and low refractive indices values and maintains high transmittance. First, our passivated contact structure for phosphorus-doped n-poly-Si covered ultrathin (~1.7 nm) tunneling oxide layers, crystallizion doping o

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27

Ferris, Robert Joseph. "Ferroelectric Thin Films for the Manipulation of Interfacial Forces in Aqueous Environments." Diss., 2013. http://hdl.handle.net/10161/7163.

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<p>Ferroelectric thin films (FETFs) offer a promising new platform for advancing liquid-phase interfacial sensing devices. FETFs are capable of expressing surface charge densities that are an order of magnitude higher than those of traditional charged surfaces in liquid environments (e.g., common oxides, self-assembled monolayers, or electrets). Furthermore, the switchable polarization state of FETFs enables patterning of charge-heterogeneous surfaces whose charge patterns persist over a range of environmental conditions. Integration of FETFs into liquid-phase interfacial sensing devices, howe

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28

Chen, Ruo-Yu, and 陳若語. "THE STUDY OF DOUBLE-LAYER SURFACE MODIFICATION OF POROUS EPTFE FILMS BY PLASMA TREATED AND THE EFFECTS ON THE GROWTH OF CELLS." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/98575146554730574139.

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碩士<br>大同大學<br>生物工程學系(所)<br>100<br>Expanded polytetrafluoroethylene (ePTFE) films, was treated with argon plasma to improre the hydrophilicity. To create active site on the surface of ePTFE films, the coupling reaction with poly(ethylene glycol) methacrylate (PEGMA) or acrylamid (AAm) was initiated with UV. The contact angle was improved from 135°to 0°for modified ePTFE film with grafting poly(ethylene glycol) methacrylate (PEGMA；10wt%, and 30 minutes). The surface properties of ePTFE-g-PEGMA films and ePTFE-g-AAM films were also characterized by electron spectroscopy for chemical analysis, fou

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