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Journal articles on the topic 'X-raydiffraction'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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1

จันทร์ลา, ปราณี, นิธิวัชร์ นวอัครฐานนท์ та อรวรรณ ศรีคุ้มวงษ์. "การเตรียมผงสีเซรามิกจากเศษหนังฟอกเหลือทิ้ง". วารสารวิทยาศาสตร์ประยุกต์ กรมวิทยาศาสตร์บริการ 11, № 11 (2022): 11–20. http://dx.doi.org/10.60136/bas.v11.2022.125.

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งานวิจัยนี้ได้ศึกษาการนำเศษหนังฟอกเหลือทิ้งที่เกิดขึ้นจากอุตสาหกรรมฟอกหนังซึ่งมีโครเมียม (Cr) เป็นส่วนประกอบมาใช้ผลิตเป็นผงสีเซรามิก โดยเริ่มจากนำเศษหนังฟอกเหลือทิ้งมาวิเคราะห์องค์ประกอบทางเคมี และองค์ประกอบทางเฟสด้วยเครื่อง X-ray fluorescence (XRF) และ X-raydiffraction (XRD) ตามลำดับ จากนั้นนำเศษหนังฟอกเหลือทิ้งเผาที่ 1100 °C พบเฟสหลักคือ โครเมียม (II) ออกไซด์ (Cr2O3) ถูกใช้เป็นแหล่งของโครเมียมสำหรับการผลิตผงสี นำเศษหนังหลังเผามาบดผสมแบบเปียกกับซิงค์ออกไซด์ (ZnO) อะลูมิเนียมไฮดรอกไซด์ (Al(OH)3) เพื่อผลิตผงสีชมพูในระบบ Zn- Al-Cr และผสมกับซิงค์ออกไซด์และเฟอร์ริกออกไซด์ (Fe2O3) เพื่อผลิตผงสีน้ำต
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Venkateshwarlu, Ch, M. Ramesh, G. Vinod, et al. "The Structural and Electrical Studies on Cu-Co Ferrites." IOP Conference Series: Materials Science and Engineering 1221, no. 1 (2022): 012014. http://dx.doi.org/10.1088/1757-899x/1221/1/012014.

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Abstract The system Cobalt substituted copperferritesampleswere synthesized by a conventional double sintering ceramic method.A series of doped Copper ferrites withcomposithion Cu1-xCoxFe2O4 (x = 0.2, 0.4, and 0.6 ) are synthesized. The X-raydiffraction pattern at room temperature show that the sample exists in single phase with a spinel structure.Copper-Cobalt ferrites seriesaretakenand their electrical conductivityproperty are studied with a variation of composition and temperature. Log (σT) vs 103/T is almost linear with a variation close to the temperature of Curie.In general, the paramagn
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A. Jabbar, Zahraa, and Alaa Jabbar Ghazai2. "Fabricated and characterization of Gold nanoparticles using DC sputtering technique." Journal of Education for Pure Science- University of Thi-Qar 12, no. 2 (2023): 334–38. http://dx.doi.org/10.32792/jeps.v12i2.226.

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current (DC) sputtering at optimal deposition times for antibacterial applications have been studied. X-raydiffraction patterns, scanning electron microscopy (SEM), and atomic force microscopy (AFM) images,as well as optical spectroscopy, have been used to characterize of (Au) nanoparticles. The crystallinestructure of gold nanoparticle was determined using an XRD pattern which was cubic phase andpolycrystalline.structure. The effect of deposition on the morphology of deposited films was visualizedusing a scanning electron microscope (SEM). In addition, the roughness, and surface quality, as s
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Ali, Iftikhar M. "Enhancement of NO2 gas sensing behavior for ZnS/PPy nanostructure by loading graphene." Iraqi Journal of Physics (IJP) 17, no. 40 (2019): 21–32. http://dx.doi.org/10.30723/ijp.v17i40.401.

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The pure ZnS and ZnS-Gr nanocomposite have been preparedsuccessfully by a novel method using chemical co-precipitation. Alsoconductive polymer PPy nanotubes and ZnS-PPy nanocompositehave been synthesized successfully by chemical route. The effect ofgraphene on the characterization of ZnS has been investigated. X-raydiffraction (XRD) study confirmed the formation of cubic andhexagonal structure of ZnS-Gr. Dc-conductivity proves that ZnS andZnS-Gr have semiconductor behavior. The SEM proved thatformation of PPy nanotubes and the Gr nanosheet. The sensingproperties of ZnS-PPy/ZnS-Gr for NO2 gas w
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Kochmar, Iryna, Vasyl Karabyn, Kateryna Stepova, Vitalii Stadnik, and Martyn Sozanskyi. "Thermal Impact on Heavy Metal Bioavailability in Burnt Rocks of Waste Heap of Chervonohradska Coal-preparation Plant (Lviv Region, Ukraine)." Geomatics and Environmental Engineering 18, no. 1 (2024): 117–33. http://dx.doi.org/10.7494/geom.2024.18.1.117.

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For effective waste management of mining industries is important to investigate their physical and mineralogical changes. For this purpose, X-raydiffraction (XRD), thermogravimetry (TG), derivative thermogravimetry (DTG), and differential thermal analysis (DTA) methods were used. Changes in the contents of mobile forms of heavy metals in rocks were investigated using an acetate-ammonium buffer solution with a pH of 4.8 after burning rocks at a temperature of 800–850°C. The obtained data indicated the significant role of the mineral composition in the thermal behavior of the rock samples and th
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Mohammed, Ghusson H. "Structural and photoluminescence properties of CdO doped TiO2 thin films prepared by pulsed laser deposition." Iraqi Journal of Physics (IJP) 13, no. 28 (2019): 82–90. http://dx.doi.org/10.30723/ijp.v13i28.245.

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TiO2 thin films have been deposited at different concentration ofCdO of (x= 0.0, 0.05, 0.1, 0.15 and 0.2) Wt. % onto glass substratesby pulsed laser deposition technique (PLD) using Nd-YAG laserwith λ=1064nm, energy=800mJ and number of shots=500. Thethickness of the film was 200nm. The films were annealed todifferent annealing (423 and 523) k. The effect of annealingtemperatures and concentration of CdO on the structural andphotoluminescence (PL) properties were investigated. X-raydiffraction (XRD) results reveals that the deposited TiO2(1-x)CdOxthin films were polycrystalline with tetragonal
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Chen, Ying Shan, Wang Jun Feng, Cui Huan Li, Rui Shan Li, Rui Fan, and Hua Yang. "Characterization and Magnetic Properties of Nanocrystalline Nickel Ferrite Synthesized by Carbon-Adsorb Auto Combustion Method." Advanced Materials Research 239-242 (May 2011): 108–11. http://dx.doi.org/10.4028/www.scientific.net/amr.239-242.108.

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Nanocrystalline nickel ferrite has been successfully synthesized through carbon-adsorb auto combustion method from Ni and Fe nitrate salts. The powders were characterized by X-raydiffraction(XRD) techniques,scanning electron microscopy(SEM),transmission electron microscopy(TEM) and vibrating sample magnetometry(VSM). XRD indicated that the products were spinel NiFe2O4. SEM and TEM indicated that the particles were spherical with particle size in the range 10-80nm. VSM showed that the sample exhibited typical ferromagnetic behavior at room temperature,while the coercivity of the sample was 150.
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Betancourt-Montañez, Iván Fernando, Christian Fabian Varela-Olivera, Julian Andres Munevar-Cagigas, et al. "Evaluación de las propiedades estructurales, morfológicas y magnéticas del sistema Bi1-xSmxFeO3." Ingeniería Investigación y Desarrollo 22, no. 2 (2022): 64–70. http://dx.doi.org/10.19053/1900771x.v22.n2.2022.15024.

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This paper reports the synthesis of the Bi1-xSmxFeO3 system (x = 0.00, 0.02, 0.04, 0.06, 0.08 and 0.10) obtained by thesolid-state reaction method at 1073.15 K for 15 h. Characterization allowed evaluating the effect of Sm3+ insertion on thestructural, morphological and magnetic properties of the bismuth ferrite. Structural characterization was made by X-rayDiffraction (XRD) and Rietveld refinement, indicating the formation of a rhombohedral majority phase of the space groupR3c (161) with a proportion higher than the reported up to now. The morphological characterization through scanning elect
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Admi, Admi, Dewi Khofifatul Khoiriah, and Sukri Syukri. "Montmorillonit K-10 yang Dimodifikasi Ni2+: Sifat Struktur dan Aktivitas Katalitik." Jurnal Fisika Unand 13, no. 3 (2024): 439–44. http://dx.doi.org/10.25077/jfu.13.3.439-444.2024.

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Fokus studi ini adalah mensintesis material berbasis montmorillonit K-10 yang dimodifikasi dengan spesies Ni2+ melalui metoda hidrotermal. Pengaruh aktivasi termal terhadap support montmorillonit K-10 pada proses pertukaran kation untuk menghasilkan katalis heterogen dikarakterisasi dengan x-raydiffraction (XRD) dan x-ray fluoressence (XRF). Analisis XRF sampel menunjukkan bahwa kemampuan pertukaran kation sampel montmorillonit K-10 terhadap Ni2+ berdampak pada peningkatan kandungan nikel pada semua sampel yang dimodifikasi dibandingkan dengan yang tidak dimodifikasi. Analisis XRD terhadap str
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Pérez Alcázar, Germán A., Ligia Edith Zamora, José Francisco Marco, Juan José Romero, Jesús María González, and Francisco Javier Palomares. "Magnetic and Structural Characterization of Mechanically Alloyed Fe50co50 Samples." Revista de Ciencias 15 (February 13, 2012): 41–47. http://dx.doi.org/10.25100/rc.v15i0.516.

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Samples of nominal composition Fe50Co50 were produced by mechanical alloying byusing a planetary ball mill and different milling times. The samples were studied via X-raydiffraction, Mössbauer spectroscopy, and X-ray photoelectron spectroscopy to characterize thephase distribution resulting from the milling process. The Mössbauer data indicated that Co startsdiffusing into Fe after 8 h of milling. Between t = 8h and t = 24 h the sample has a heterogeneouscomposition, presenting a bimodal hyperfine field distribution with maxima centred at 34.3 T and35.8 - 36.4 T, compatible with the presence o
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Wang, Yi Fei. "Treatment of Natural Mordenite with Alkali and the Ammonium Exchange Capacity of the Modified Zeolite." Advanced Materials Research 554-556 (July 2012): 2031–36. http://dx.doi.org/10.4028/www.scientific.net/amr.554-556.2031.

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The natural mordenite was treated hydrothermally with NaOH solutions, either with or without fusion with NaOH powder as pretreatment. Zeolite Na-P and analcime were identified as the reacted products, depending on the reaction conditions. The zeolites were identified by X-raydiffraction, and their cation exchange capacity (CEC) was determined. Zeolite Na-P has higher CEC (338 meq/100g) contrasted with the mordenite (181 meq/100g). Further more, the uptakes of NH4+ onto the zeolites have also been investigated. The Na-P has faster exchange rate, higher exchange amounts and better regeneration a
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Fan, Dawei W., Wenge G. Zhou, Congqiang Q. Liu, et al. "The thermal equation of state of (Fe0.86Mg0.07Mn0.07)3Al2Si3O12 almandine." Mineralogical Magazine 73, no. 1 (2009): 95–102. http://dx.doi.org/10.1180/minmag.2009.073.1.95.

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In situ X-raydiffraction measurements on almandine, (Fe0.86Mg0.07Mn0.07)3Al2Si3O12, were performed using a heating diamond-anvil cell instrument with synchrotron radiation at Beijing Synchrotron Radiation Facilityup to 27.7 GPa and 533 K. The pressure-volume-temperature data were fitted to a third-order Birch-Murnaghan equation of state. The isothermal bulk modulus of K0 = 177±2 GPa, a temperature derivative of the bulk modulus of (∂K/∂T)P= –0.032±0.016 GPaK–1 and a thermal expansion coefficient (α0) of (3.1±0.7)×10–5 K–1 were obtained. This is the first time that the temperature derivative of
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13

Bilalis, Panayiotis, Eleni K. Efthimiadou, Alexandros Chatzipavlidis, Nikos Boukos, and George C. Kordas. "Multi-responsive polymeric microcontainers for potential biomedical applications: synthesis and functionality evaluation." Polymer International 61, no. 6 (2012): 888–94. https://doi.org/10.1002/pi.4152.

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Temperature and pH responsive poly(N-isopropylacrylamide-co-methacrylic acid) (P(NIPAAm-co-MAA)) microcontainers with encapsulated magnetic nanoparticles in the shell were prepared by a two-stage distillation precipitation polymerization. PMAA@Fe3O4/P(NIPAAm-co-MAA) core–shell nanoparticles were synthesized by the second-stage polymerization of NIPAAm, MAAandN,N-methylenebisacrylamide as crosslinker in the presence ofmagnetic nanoparticles andPMAAas core. These novel triple-functional microcontainers were prepared by selective removal of the PMAA core in water. Daunorubicin hydrochloride (DNR)
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Zaien, Mustafa, Naser Mahmoud Ahmed, and Hassan Zainuriah. "A Study of Properties of the Nanocrystalline CdO Thin Film Prepared by Solid-Vapor Deposition Method." Materials Science Forum 756 (May 2013): 54–58. http://dx.doi.org/10.4028/www.scientific.net/msf.756.54.

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A nanocrystalline CdO thin film was successfully synthesized on p-type silicon substrate with approximately 370 nm thickness by a vapor transport process (solid-vapor deposition) for Cd powder at 1274 K with argon and oxygen flows in a tube furnace. Scanning electronmicroscopy revealed that the product was a CdO nanocrystalline. X-raydiffraction and energy dispersive X-ray techniques were used to characterize structural properties. The grown nanocrystalline thin film had a grain size of 38 nm. Photoluminescence spectroscopy was conducted to investigate the optical properties of the nanocrystal
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Yang, Chun Wei, Dong Wang, and Qian Tang. "Magnetic Nd2Fe14B Actived Carbon: Fabrication and Heterogeneous Fenton Oxidation of Congo Red ." Applied Mechanics and Materials 675-677 (October 2014): 426–29. http://dx.doi.org/10.4028/www.scientific.net/amm.675-677.426.

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Magnetic Nd2Fe14B activated carbon, a new kind of heterogeneous Fenton catalyst has been synthesis to treat the dyestuff wastewater. The obtained catalysts were characterized by X-raydiffraction (XRD) and vibrating sample magnetometer (VSM), and the catalytic activity in heterogeneous Fenton oxidation of Congo red was evaluated. Experiments show that the Nd2Fe14B activated carbon has hard magnetic properties. The saturated magnetization, remanence and coercive force were 15.93emu/g, 6.0emu/g, and 1313Oe, respectively. The results also indicated that Nd2Fe14B activated carbon has good performan
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Mutlak, Falah A.-H. "Porous silicon prepared by photo electrochemical etching assisted by laser." Iraqi Journal of Physics (IJP) 15, no. 32 (2019): 122–29. http://dx.doi.org/10.30723/ijp.v15i32.162.

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Porous silicon (PS) layers are prepared by anodization fordifferent etching current densities. The samples are thencharacterized the nanocrystalline porous silicon layer by X-RayDiffraction (XRD), Atomic Force Microscopy (AFM), FourierTransform Infrared (FTIR). PS layers were formed on n-type Siwafer. Anodized electrically with a 20, 30, 40, 50 and 60 mA/cm2current density for fixed 10 min etching times. XRD confirms theformation of porous silicon, the crystal size is reduced towardnanometric scale of the face centered cubic structure, and peakbecomes a broader with increasing the current dens
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Shanmugam, Kirubanandan, Tharunya P, Subha V, Sandhaya S, and Renganathan S. "GREEN SYNTHESIS OF SUPERPARAMAGNETIC IRON OXIDE NANOPARTICLE FROM FICUS CARICA FRUIT EXTRACT, CHARACTERIZATION STUDIES AND ITS APPLICATION ON DYE DEGRADATION STUDIES." Asian Journal of Pharmaceutical and Clinical Research 10, no. 3 (2017): 125. http://dx.doi.org/10.22159/ajpcr.2017.v10i3.15538.

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ABSTRACTObjective: The synthesis of nanoparticles (NPs) has become a matter of great interest in recent times due to their various advantageous propertiesand applications in a variety of fields. Metal NPs are being increasingly used in many sectors, and there is growing interest in the biological andenvironmental safety of their production.Methods: In this study, iron oxide NPs (Fe3O4-NPs) were synthesized from fruits of Ficus carica using a rapid, single step and completely greenbiosynthetic method by reduction of ferrous sulfate solution with F. carica ethanolic extract. The prepared Fe3O4-N
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Sanabria-Martínez, Felipe, ElyDannier Valbuena-Niño, Miryam Rincon-Joya, HugoArmando Estupiñán-Duran, and Fernando Viejo-Abrante. "Surface evaluation of carbon steel doped with nitrogen ions." Revista UIS Ingenierías 19, no. 1 (2020): 205–12. http://dx.doi.org/10.18273/revuin.v19n1-2020019.

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This studyproposes by meansof analytical characterization techniques, astructural evaluation of the surfacemodification of aferrous material bythree-dimensionalion implantationplasma technology.Carbon steel substrates immerse in a gaseous atMo sphere,were surface implantedwith nitrogen ionsvia high voltage pulse discharges activated at a low-pressure range (“high vacuum”).The effect of the surface treatment on the structure, composition and morphology of the substrates was verified by microscopy and spectroscopy techniques. From the micrographs obtained by scanning electronic microscopy and th
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Rumy, Sheikh Mohi Uddin, Mahabub Alam Bhuiyan, MH Mesbah Ahmed, et al. "Effects of Li2O additive on structural, magnetic and electrical properties of Ni-Mg ferrite." Journal of Bangladesh Academy of Sciences 38, no. 1 (2014): 7–18. http://dx.doi.org/10.3329/jbas.v38i1.20198.

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The effects of Li2O additives on the structural, magnetic and electrical properties of Ni0.5Mg0.5Fe2O4, prepared by conventional double sintering ceramic technique were investigated. The X-raydiffraction (XRD) pattern of the prepared samples showed single phase cubic spinel structure.Variation of lattice parameter has been observed with the variation of Li2O content. Theenhancement of bulk density has been observed for 2 mol% Li2O additive, but further increase inLi2O concentration, these values decrease. Enhancement of initial permeability (??) have beenobserved for the sample with 2 mol% Li2
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Samah, Selfa Dewati, Syukri Arief, and Novesar Jamarun. "PEMBUATAN PASTA DAN PEMBENTUKAN LAPISAN TIPIS HIDROKSI APATIT KARBONAT." Jurnal Riset Kimia 7, no. 2 (2015): 161. http://dx.doi.org/10.25077/jrk.v7i2.180.

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ABSTRACTPaste of Carbonated Hydroxyapatite (CHA) as a biocompatible material that can be used in thebone and teeth repair has been developed on preparation of thick film. CHA paste was preparedby mixing precipitate of CHA with CaSO4 and polyethylene glycol (PEG) in 2-propanol assolvent. Paste was deposited on substrate to get thick films by screen printing method. X raydiffraction (XRD) analysis has shown hexagonal crystal structure and crystal size of CHAacquired 7,2 nm by Scherrer’s method. Fourier Transform Infrared (FTIR) analysis has shownabsorption spectra which indicating phosphate, car
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Mohd Daud, Farah Diana, Srimala Sreekantan, and Abdul Rahman Mohamed. "Fabrication of Ca(OH)2 Nanostructures by Facile Solution – Based Synthesis at Various Reaction Temperatures as CO2 Adsorbent." Materials Science Forum 756 (May 2013): 175–81. http://dx.doi.org/10.4028/www.scientific.net/msf.756.175.

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Calcium hydroxides (Ca(OH)2) nanostructures have been fabricated through simple facile solution based synthesis at different temperatures 35,45 and 55°C repectively.Ethanol was utilized as a medium for reaction. The synthesized powder was characterized by Field Emission Scanning Electron Microscope (FESEM SUPRA 35VP ZEISS), Fourier transform infrared (FTIR Perkin Elmer Spectrum One Spectrophotometer) and X-raydiffraction (XRD). Based on XRD analysis, the synthesis samples exhibited crystal hexagonal phase of Ca(OH)2.The crystallite size for powders prepared was between 17 nm to 31 nm. Short na
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22

Alsultani, Kadhim F., Hassan Sh Majidi, and Sara Abdulameer. "Improve the Hot Corrosion Behaviors of the Inconel 738LC Coating with Nano YSZ–CNTs." International Journal of Chemical Engineering and Applications 15, no. 1 (2024): 1–6. http://dx.doi.org/10.18178/ijcea.2024.15.1.806.

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In this work, Inconel 738LC is coated with coatings with nano Yttria Stabilized Zirconia (YSZ) with different percentages of Carbon Nano Tubes (CNTs) which were done by using the technique of the plasma thermal spray. YSZ coating with different percentages of CNTs (100% nano YSZ, 96% nano YSZ + 4% CNTs, 94% nano YSZ + 6% CNTs, and 92% nano YSZ + 8% CNTs), adopting the plasma spray technique. The behavior of the Inconel 738LC alloy with and without artificial ash (67% wt. H2SO4 and 33% wt. V2O5) at different temperatures (650 oC, 750 oC, 850 oC, and 950 oC) was investigated. The cycles of hot c
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Palamarciuc, Oleg, Miljan NM Milunović, Angela Sirbu, et al. "Investigation of the cytotoxic potential of methyl imidazole-derived thiosemicarbazones and their copper(ii) complexes with dichloroacetate as a co-ligand." New J Chem 43, no. 3 (2019): 1340. https://doi.org/10.5281/zenodo.4323158.

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A series of six imidazole-derived thiosemicarbazones (HL1–HL6) and their copper(II) complexes (1–6)were synthesised and characterised by analytical, spectroscopic, electrochemical and single crystal X-raydiffraction techniques. In addition, solution studies and the results of antiproliferative activity in human cancer cell lines with some insights into the mechanism of cancer cell death are also reported. In particular, the substitution of one hydrogen at the terminal N-atomof the thiosemicarbazide moiety by a phenyl group resulted in slightly enhanced antiproliferative activity.HL
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Zhang, Shi Ming, Jun Xi Zhang, Suo Jiong Xu, Xu Ji Yuan, and Tian Tian. "Synthesis of Nano-Sized FePO4 Cathode Material via a Microemulsion Technique." Applied Mechanics and Materials 320 (May 2013): 675–82. http://dx.doi.org/10.4028/www.scientific.net/amm.320.675.

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A novelsynthetic method is developed to prepare nano-sized FePO4powdersused as cathode materials of lithium ion batteries. The samples are preparedvia a microemulsion system in a H2O/cyclohexane/Triton x-100/n-butylalcohol, and then sinter at different temperatures (380°C，460°C，550°C，650°C)for 3h. The thermal stability，structure，morphology and particle size are investigated by means of TG/DSC, X-raydiffraction (XRD), field emission-scanning electron microscopy (FE-SEM), andthe electrochemical properties are characterized by cyclic voltammetry (CV) andgalvanostatic charge and discharge tests. R
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F., Abdulazeez, Okunola Joshua O., Uduma A. U., Alisi O. O., and Ogbesejana A. B. "Chitosan a Veritable Material for Removal of Some Organic Pollutants in Wastewater: An Empirical Studies." Records of Chemical Sciences 3, no. 2 (2024): 50–61. http://dx.doi.org/10.33003/frscs_2024_0302/06.

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In the present study, Chitosan from cockroaches was successfully prepared, characterized by X-raydiffraction, Fourier transform infrared spectroscopy and scanning electron microscopy, and tested as adsorbent for the removal of p-Nitrophenol and Naphthalene from aqueous solutions. The influence of process variables solution pH, adsorbent dose, contact time and initial adsorbent concentration on the adsorption was evaluated. The equilibrium data was tested by Langmuir and Freundlich isotherm models for the best fit. It found the R2 values of 0.9976 for Freundlich isotherm and 0.9903 forLangmuir
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Kadhim, Mohammed J., Mohammed H. Hafiz, and Maryam A. Ali Bash. "HOT CORROSION OF CERIA-YTTRIA STABILIZED ZIRCONIA PLASMA SPRAYED THERMAL BARRIER COATING BY EUTECTIC VANDIUM PENTAOXIDE-SODIUM SULFATE." IRAQI JOURNAL FOR MECHANICAL AND MATERIALS ENGINEERING 18, no. 1 (2018): 182–92. http://dx.doi.org/10.32852/iqjfmme.vol18.iss1.83.

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The high temperature corrosion behavior of thermal barrier coating (TBC) systemconsisting of IN-738 LC superalloy substrate, air plasma sprayed Ni24.5Cr6Al0.4Y (wt%)bond coat and air plasma sprayed ZrO2-20 wt% ceria-3.6 wt% yttria (CYSZ) ceramic coatwere characterized. The upper surfaces of CYSZ covered with 30 mg/cm2 , mixed 45 wt%Na2SO4-55 wt% V2O5 salt were exposed at different temperatures from 800 to 1000 oC andinteraction times from 1 up to 8 h. The upper surface plan view of the coatings wereidentified for topography, roughness, chemical composition, phases and reaction productsusing sc
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Uvarova, M. A., I. A. Lutsenko, M. A. Shmelev, O. B. Bekker, M. A. Kiskin, and I. L. Eremenko. "Furancarboxylate Coordination Polymers of Gd3+ and Eu3+: Synthesis, Structural Variations, and Biological Properties." Координационная химия 49, no. 9 (2023): 543–52. http://dx.doi.org/10.31857/s0132344x23600029.

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A series of polymer complexes of Gd(III) and Eu(III) with 3-furancarboxylic (HFur) and 5-nitro-2-furancarboxylic (HNfur) acids differed in the composition and coligands presented by solvent molecules(CH3OH/C2H5OH/H2O) is synthesized: [Gd(Fur)3(CH3OH)(C2H5OH)]n (I), [Gd(Nfur)3(CH3OH)2]n·CH3CN (II), [Eu(Fur)3(C2H5OH)]n (III), and [Eu(Nfur)3(H2O)2]n·3CH3CN (IV). According to the X-raydiffraction (XRD) data, all complexes are 1D coordination polymers in which the lanthanide cation has thecoordination number 8 (LnO8) to form the environment as a doubly augmented triangular prism (I, II) or asquare
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R, Ranjith Kumar, Manikantan J, Balaganesh A.S, Dinesh K.P.B, and Chandar Shekar B. "Fruit Biowaste Mediated Green Route Approach Silver Nanopartilces - As Antibacterial Material." Kongunadu Research Journal 6, no. 2 (2019): 81–86. http://dx.doi.org/10.26524/krj307.

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Environmental free approach or green chemistry synthesis of metallic nanoparticles has become new growing branch of nanobiotehnology. In this present work a simple and environmental free biosynthesis silver nanoparticles (AgNPs) were prepared using Musambi Peels (MPs) aqueous extract as the reducing agent guided by the principles of green chemistry. The fruit waste aqueous extract was challenged with silver nitrate solution for the production of AgNPs in room temperature. The crystalline phase and morphology of AgNPs were determined from UV-Vis spectroscopy, Fourier transform infrared (FTIR) s
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Wang, Liu, and Yu. "A limiting Current Oxygen Sensor Constituted of (CeO2)0.95(Y2O3)0.05 as Solid Electrolyte Layer and (CeO2)0.75(ZrO2)0.25 as Dense Diffusion Barrier Layer." Sensors 19, no. 16 (2019): 3511. http://dx.doi.org/10.3390/s19163511.

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Using the co-precipitation method to synthesize (CeO2)0.95(Y2O3)0.05 (YDC) and solidreaction method to synthesize (CeO2)0.75(ZrO2)0.25 (ZDC), and the crystal structure, micro-structure,total conductivity and electronic conductivity of the two materials was measured with X-raydiffraction (XRD), scanning electron microscope (SEM), DC van der Pauw and Hebb-Wagnermethods. A limiting current oxygen sensor was prepared with YDC solid electrolyte and a ZDCdense diffusion barrier layer by employing platinum pasting bonding. Sensing characteristics ofthe sensor were obtained at different conditions, in
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Oros, Chaiyan, Anurat Wisitsoraat, and Mati Horprathum. "Fabrication and Ethanol Sensing Characterization of Tin Oxide Nanorods Prepared by Glancing Angle Deposition Technique." Key Engineering Materials 675-676 (January 2016): 163–66. http://dx.doi.org/10.4028/www.scientific.net/kem.675-676.163.

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In this work, the nanorod structure of Tin oxide (SnO2) prepared by glancing angle deposition (GLAD) technique with different O2 flow rate from 12 to 48 sccm. The surface and Crystal structure of SnO2 thin films were characterized by scanning electron microscopy (SEM), X-raydiffraction (XRD) and tested toward ethanol gas sensing. Structural characterization showed that the morphological of all SnO2 thin films prepared with different O2 flow rates consists of columnar nanorod structures and the nanorod size which are likely to decrease as the O2 flow rate increases. As the O2 flow rate increase
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31

Onwubu, Stanley C., Mokgadi Ursula Mokgobole, Phumlane Selby Mdluli, and Thabang Hendrica Mokhothu. "Assessing the antibacterial properties of eggshell-titanium powder." South African Dental Journal 77, no. 08 (2022): 483–88. http://dx.doi.org/10.17159/2519-0105/2022/v77no8a5.

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The global distribution of oral diseases caused by bacterial and the severity of their consequences constitute a pandemic condition.The present paper reports on the antibacterial properties of a modified eggshell and titanium dioxide using the mechanochemical method. EB@TiO2 was modified and characterized using X-raydiffraction (XRD) while the degradation condition was studied using Thermogravimetric analysis (TGA).The inhibitory properties of EB@TiO2at differentconcentrations (2:1; 3:1 and 4: 1) against both Grampositive (E. coli) and negative bacterial (B. Cereus)strain were studied the usin
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32

Jose, Dhanya, Sruthy Mildred, Rintu Mary Sebastian, and Sheena Xavier. "An Investigative Study on the effect of Dopants on Manganese Based Mixed Nano Ferrites Synthesized through Sol-Gel Method." IOP Conference Series: Materials Science and Engineering 1221, no. 1 (2022): 012036. http://dx.doi.org/10.1088/1757-899x/1221/1/012036.

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Abstract The present article investigates the effect of different dopants on manganese based mixed nano ferrites synthesized through sol-gel method.MnF, MnCoF and MnCoMgF (MnFe2O4, Mn0.5Co0.5Fe2O4andMn0.5Co0.25Mg0.25Fe2O4) were synthesized by Sol-gel method. The structural, magnetic and optical properties of the samples were analysed through XRD(X-RayDiffractometer), VSM (Vibrating Sample Magnetometer,) and UV-Visible Spectroscopy. The phase identification and lattice parameter determination were carried out by using X-RayDiffraction and hence the crystallite size and X-Ray density were calcul
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33

Shaiboub, Ramadan Ebrahim, Majda Mokhtari, Nacer Boucherou, Aicha Ziouche, Abdelwaheb Boukhachem, and Mosbah Amlouk. "Comparative Effect of Indium, Molybdenum, and Strontium Doping on Structural, Vibrational, and Optical Properties of ZnO Sprayed Thin Films." Sharwes Scientific Journal 6, no. 1 (2025): 146–63. https://doi.org/10.26629/ssj.2025.08.

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Zinc oxide (ZnO) thin films were deposited on glass substrates using a simple microspray technique, and some of the resulting films were doped with strontium, indium, and molybdenum at molar concentrations of 1%. In addition to classical structural studies, such as X-raydiffraction (XRD) patterns, which revealed peaks corresponding to hexagonal zinc oxide wurtzite, topographical observations using atomic electron microscopy (AFM), and vibrational properties using Raman spectroscopy with excitation wavelengths at 488 nm where the FWHM value for Raman spectroscopy was approximately 15 cm-1, comp
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34

Rahman, Fauzi, Agnes Nuniek Winantari, Dwi Setyawan, and Siswandono . "COMPARISON STUDY OF GRINDING AND SLURRY METHOD ON PHYSICOCHEMICAL CHARACTERISTIC OF ACYCLOVIR – SUCCINIC ACID COCRYSTAL." Asian Journal of Pharmaceutical and Clinical Research 10, no. 3 (2017): 153. http://dx.doi.org/10.22159/ajpcr.2017.v10i3.15925.

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ABSTRACTObjective: This study aimed to compare the characteristics of acyclovir (ACV)-succinic acid (SA) cocrystal with grinding and slurry method.Methods: Cocrystals were prepared using grinding and slurry methods. Physicochemical characterizations were performed using powder X-raydiffraction (PXRD), differential scanning calorimetry, Fourier transform infrared (IR) spectroscopy, scanning electron microscope (SEM), anddissolution test.Results: The study revealed that cocrystal of ACV-SA showed a decrease in the melting temperature, i.e., 175.10°C, respectively, in comparison with themelting p
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Soltanian, Sara, Sheikhbahaei Mahboubeh, Sharifi Fatemeh, and Neda Mohamadi. "Synthesis and Biological Characterization of Silver Nanoparticles Biosynthesized by Semenovia suffruticosa." Journal of Nano Research 66 (February 2021): 45–60. http://dx.doi.org/10.4028/www.scientific.net/jnanor.66.45.

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In this study, silver nanoparticles (AgNPs) were synthesized using methanol extract of Semenovia. suffruticosa. The prepared AgNPs (SS-AgNPs) were examined by ultraviolet-visible spectroscopy, Fourier transform infrared (FTIR) spectroscopy, X-raydiffraction (XRD), transmission electron microscopy (TEM) and scanning electron microscope (SEM). Afterward, biological activities including cytotoxicity, ability to generate reactive oxygen species (ROS), antileishmanial and antibacterial effects were investigated. According to the UV-Vis spectroscopy, absorption peak at 430 nm indicates the synthesis
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36

Raed N. Razooqi, Khalid H. Razej, Ahmed T. Abdulhameed, and Saif S. Irhayyim. "The Physical and Mechanical Properties of a Shape Memory Alloy Reinforced with Carbon Nanotubes (CNTs)." Tikrit Journal of Pure Science 23, no. 9 (2023): 80–88. http://dx.doi.org/10.25130/tjps.v23i9.816.

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The shape Memory Alloy (SMA) (Copper-Aluminum-Nickel) wasprepared in the research by Powder metallurgy (PM) in componentpercentage (Cu-13% Al-4% Ni), pressure of (500 Mpa) in one direction,and sintering in (800°C) with Nitrogen gas for three hours. (CNTs) wasadded in percentage (0,0.5,1.0,1.5,2.0,2.5) % as a volumetric ratio at therelatively of the copper ratio to obtain advanced composites for CarbonNanotubes with a distinct effect on properties.The elements of the alloy were analyzed using the (EDS) system attachedto the Scanning Electron Microscopy (SEM) and study the X-rayDiffraction (XRD)
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37

Reddy M, Bhaskar. "Influence of annealing temperature on the electrical, structural and surface morphology properties of Au/Cr Schottky contacts on n-type InP." JOURNAL OF ADVANCES IN PHYSICS 5, no. 3 (2014): 823–36. http://dx.doi.org/10.24297/jap.v5i3.6961.

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The influence of rapid thermal annealing on the electrical and structural properties of Au/Cr/n-InP Schottky diode havebeen investigated by the current-voltage (I-V), capacitance-voltage (C-V), auger electron spectroscopy (AES) and X-raydiffraction (XRD) measurements. The Schottky barrier height (SBH) and ideality factor (n) of the as-deposited Au/Cr/n-InPSchottky diode are 0.51 eV (I-V)/0.64 eV (C-V) and 1.81, respectively. When the contact is annealed at 200 oC in N2atmosphere for 1min, a maximum SBH (0.71 eV (I-V)/0.81 eV (C-V)) and low ideality factor (1.15) are achieved for theAu/Cr/n-InP
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38

Juhi, Singh, Rajan Maneesh, Singh Arunendra, and Mishra Santosh. "Evaluation of the Structural Changes in Porcelain at Different Firing Temperature." International Journal of Pharmaceutical and Clinical Research 16, no. 3 (2024): 419–27. https://doi.org/10.5281/zenodo.10957988.

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<strong>Purpose:&nbsp;</strong>To study the structural changes occurring in the dental porcelain mass fired at various firing temperatures using scanning electron microscopy (SEM) and X-raydiffraction (XRD) spectroscopy. Also, additional tests, namely compressive strength, abrasion resistance analysis, and the amount of oxides released, were conducted at different firing temperatures.&nbsp;<strong>Materials and Methods:&nbsp;</strong>Six groups (40 specimens in each group) of porcelain mass were prepared. The dimensions and weight of all the specimens were kept constant. The specimens were the
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39

Gopal, Ram, Nikita Sharma, Meena Nagar, Archana Chaudhary, Shaikh M. Mobin та Rakesh Bohra. "Synthesis and characterization of the coordination polymer [(THF)K(μ-OPri)2Al(μ-OPri)2]n". Main Group Metal Chemistry, 17 квітня 2018. http://dx.doi.org/10.1515/mgmc-2018-0004.

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Abstract Reaction of [Al(OPri)3] with K(OPri), in 1:1 molar ratio in refluxing anhydrous tetrahydrofuran yields a polymeric complex [(THF)K(μ-OPri)2Al(μ-OPri)2]n. The complex is characterized by spectroscopic studies and single crystal X-raydiffraction analysis.
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40

Siswanto, Bambang, Shunya Yamamoto, and Masahito Yoshikawa. "GAS SENSING PROPERTIES OF RUTILE-TiO2 (100) FILMS PREPARED BY PULSED LASER DEPOSITION." GANENDRA Majalah IPTEK Nuklir 11, no. 2 (2008). http://dx.doi.org/10.17146/gnd.2008.11.2.139.

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gas sensing property of TiO2 thin films have been demonstrated in rutile-TiO2 (100) films grown on the a-Al2O3 (0001)substrates by Pulsed Laser Deposition (PLD). High quality rutile-TiO2 (100) films were successfully grown on a-Al2O3(0001) with the substrate temperature at 500oC under 15 mTorr of O2 gas pressure. The thickness and crystallinity ofTiO2 films were evaluated by Rutherford backscattering spectrometry combined with channeling (RBS/C) and X-raydiffraction using q-2q scans. To evaluate CO2 gas sensing property of TiO2 films, the dependence of the changing ofelectrical resistivity on
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41

Rangel, R., G. Alonso, E. Adem, S. Fuentes, and D. H. Galvan. "Comparing the DBT Conversion by Using Crystalline WS2 and WS2 Electron Irradiated Catalyst." MRS Proceedings 549 (1998). http://dx.doi.org/10.1557/proc-549-205.

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AbstractA catalytic study has been performed in WS2 irradiated with electrons at 1000 kGy. The purpose is to compare irradiated WS2 with WS2 crystalline in terms of DBT conversion, selectivity and surface area analysis. Also, Scanning Electron Microscope (SEM), X-raydiffraction were performed to show microstructural changes induced by irradiation. We found that DBT conversion increased by 55 % if compared with WS2 crystalline. The surface area decreased and the initial rate constants increased by a factor of four times. The selectivity for DCH after irradiation has decreased, while the selecti
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42

Gea, Laurence A., L. A. Boatner, Janet Rankin, and J. D. Budai. "The Formation Al2O3/V2O3 Multilayer Structures by High-Dose Ion Implantation." MRS Proceedings 382 (1995). http://dx.doi.org/10.1557/proc-382-107.

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ABSTRACTHigh-resolution TEM, RBS-channeling and x-ray-diffraction techniques have been used to characterize multilayered structures formed by the high-dose co-implantation of vanadium and oxygen into single crystals of cx-A1203. Thin, two-dimensional multilayered structures have been formed by implanting c -axis and a -axis-oriented single crystals of A1203 at room temperature with vanadium (1017 ions/cm2 at 300 keV) and oxygen (2 × 1017 ions/cm 2, 120 keV) followed by a rapid anneal at 1000ºC. Cross-sectional TEM studies showed thatthis process produced a buried layer of V2O3 located about 12
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43

Prajzler, V., Z. Burian, I. Hüttel, et al. "Properties of Erbium and Ytterbium Doped Gallium Nitride Layers Fabricated by Magnetron Sputtering." Acta Polytechnica 46, no. 6 (2006). http://dx.doi.org/10.14311/900.

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We report about some properties of erbium and erbium/ytterbium doped gallium nitride (GaN) layers fabricated by magnetron sputtering onsilicon, quartz and Corning glass substrates. For fabricating GaN layers two types of targets were used - gallium in a stainless steel cup anda Ga2O3 target. Deposition was carried out in the Ar+N2 gas mixture. For erbium and ytterbium doping into GaN layers, erbium metallicpowder and ytterbium powder or Er2O3 and Yb2O3 pellets were laid on the top of the target. The samples were characterized by X-raydiffraction (XRD), photoluminescence spectra and nuclear ana
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44

Berthod, Patrice. "As-Cast Microstructures of High Entropy Alloys Designed to Be TaC-Strengthened." Journal of Metallic Material Research 5, no. 2 (2022). http://dx.doi.org/10.30564/jmmr.v5i2.4685.

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In this work two new alloys were obtained by extrapolation from a wellknown high entropy alloy, the equimolar CoNiFeMnCr one. This was doneby the addition of carbon and of tantalum, Ta being one of the strongestMC-former elements. They were produced by conventional casting underinert atmosphere. The obtained microstructures were characterized by X-raydiffraction, metallography, electron microscopy, and energy dispersionspectrometry. Their hardness was also measured by hardness indentation.In parallel, the original CoNiFeMnCr alloy was also synthesized andcharacterized for comparison. The refer
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45

Yakubu, Abubakar, Zulkifly Abbas, and Suleiman Sahabi. "STRUCTURAL AND DIELECTRIC EVOLUTION OF COBALT FERRITE NANOPARTICLES FOR MICROWAVE APPLICATIONS." Global Journal of Material Science and Engineering, May 28, 2019, 1–4. http://dx.doi.org/10.37516/global.j.mater.sci.eng.2019.0038.

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In this paper, coprecipitation method was used in the synthesis of cobalt ferrite nano particles, while investigations were carried out to determine the effect of sintering temperature on the structural and dielectric properties of the prepared samples. The structural/morphological and dielectric properties of the products were determined by X-raydiffraction (XRD), transmission electron microscopy (TEM), and open ended coaxial probe (OECP). Results from analysis confirms that heat treatment influences the magnitude of dielectric constant and the structural evolution of the samples. TEM mages r
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46

Liu, Tao. "Evaluating the impact of microstructure modifications on thin film photoelectric properties." Journal of Measurements in Engineering, November 23, 2024. http://dx.doi.org/10.21595/jme.2024.24333.

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Microstructure modifications on thin photoelectrical properties refers to changes in the microscopic structure of thin films that affect their ability to convert light into electricity. This study investigates the deposition and post-treatment effects in the electric and visual qualities of GZO, IZO, and ZnO thin layers, aiming to enhance their applicability in electronic and optoelectronic devices, according to the X-raydiffraction (XRD) examination. Thin films were deposited on glass substrates using magnetic sparking at thicknesses of 300 nm and 500 nm, followed by treatments like wet aging
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Badyal, Yaspal, Mevlut Karabulut, Kanishka Marasinghe, et al. "The Effects of Uranium on the Structure of Iron Phosphate Glasses." MRS Proceedings 556 (1999). http://dx.doi.org/10.1557/proc-556-297.

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AbstractBecause of their high chemical durability and waste loading capacity, iron phosphate glasses are a natural candidate for a nuclear waste disposal medium. We have studied the effects of uranium on the structure of iron phosphate glasses with both neutron and high-energy x-raydiffraction. The results of neutron scattering, which is mostly sensitive to pair correlations involving light atoms i.e. O-O, Fe-O and P-O, indicate the main structural features of the base glass are largely unaffected by the addition of UO2. The nearest-neighborbour P-O, Fe-O and O- O peaks remain at the same posi
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48

Octavia, Maria Dona, Yeni Novita Sari, Iyan Ronaldo Sianturi, and Muthia Fadhila. "The Formation and Characterization of Multicomponent CrystalPiperin-Urea Using The Solvent Drop Grinding Technique." International Journal of Research Publication and Reviews, November 27, 2022, 3043–47. http://dx.doi.org/10.55248/gengpi.2022.3.11.50.

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Piperine is an alkaloid found in the fruits and roots of Piper nigrum. Piperine has an almost insoluble solubility in water. Piperine has pharmacological activities such as antihypertensive andantiplatelet, antioxidant, antitumor, antiasthma, antidepressant, and hepatoprotective. This study aims to increasethesolubility of piperine by forming multicomponent crystals using urea as a coformer. Multicomponent crystals were prepared with a mole ratio of 2:1usingthe Solvent Drop Grinding method. Multicomponent crystals were characterized by X-Ray Dif raction (XRD), Dif erential Scanning Calorimetry
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49

Tucker, B. E., G. L. Gorlinea, D. E. Carney, G. H. Nancollas, and J. A. Bearcroft. "A Dual Constant Composition Study of the Kinetics of Mineralization and Demineralization of Bone Substitutes." MRS Proceedings 414 (1995). http://dx.doi.org/10.1557/proc-414-71.

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AbstractCalcium phosphates are widely used as implantable materials in both dental andorthopaedic applications. Seven different bone substitutes (BS), including Interpore CorallineHAP, Cortical Bio-Oss, Endobon, Cancellous Bio-Oss, Dense HAP (hydroxyapatite), Collagraftgranules, and Porous HAP, have been evaluated using the Dual Constant Composition (DCC)kinetics methods. DCC measurements of the kinetics of dissolution and re-mineralization of theBS materials offer considerable advantages for the characterization of minor calcium-containingsurface species due to the insensitivity of convention
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50

Ahmed, Md Habeeb, and Sangeetha Subramanian. "An effective Application of response surface methodology combined-artificial neural network for bisphenol-A(BPA) treatment using synthesized CNT-MnO2 composite." Journal of Environmental Engineering and Science, September 11, 2023, 1–17. http://dx.doi.org/10.1680/jenes.23.00033.

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Bisphenol-A is one of the emerging pollutants,which easily escapes conventional treatment techniques. It requires application of novel composite materials along with mathematical modelling for optimization and evaluation of treatment process. In present study, manganese oxide nanoparticles (MnO2) were doped on the surface of multi-walled carbon nanotubes (MWCNT) to develop an adsorptive-oxidative composite .Composite was characterized using transmission electronmicroscope,X-raydiffraction,RAMANspectroscopy,X-rayphotoelectron sectroscopy,fourier-transform infrared spectroscopyand Surface area a
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