Literatura científica selecionada sobre o tema "Oxysulphides"
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Artigos de revistas sobre o assunto "Oxysulphides"
Benoist, L., D. Gonbeau, G. Pfister-Guillouzo, E. Schmidt, G. Meunier e A. Levasseur. "XPS analysis of lithium intercalation in thin films of molybdenum oxysulphides". Surface and Interface Analysis 22, n.º 1-12 (julho de 1994): 206–10. http://dx.doi.org/10.1002/sia.740220146.
Texto completo da fonteGrajcar, A., M. Różański, M. Kamińska e B. Grzegorczyk. "Study on Non-Metallic Inclusions in Laser-Welded TRIP-Aided Nb-Microalloyed Steel". Archives of Metallurgy and Materials 59, n.º 3 (28 de outubro de 2014): 1163–69. http://dx.doi.org/10.2478/amm-2014-0203.
Texto completo da fonteGrajcar, A., B. Grzegorczyk e A. Kozłowska. "Corrosion Resistance and Pitting Behaviour of Low-Carbon High-Mn Steels in Chloride Solution". Archives of Metallurgy and Materials 61, n.º 2 (1 de junho de 2016): 825–32. http://dx.doi.org/10.1515/amm-2016-0139.
Texto completo da fonteGrajcar, A., D. Woźniak e A. Kozłowska. "Non-Metallic Inclusions and Hot-Working Behaviour of Advanced High-Strength Medium-Mn Steels". Archives of Metallurgy and Materials 61, n.º 2 (1 de junho de 2016): 811–20. http://dx.doi.org/10.1515/amm-2016-0137.
Texto completo da fonteGamanyuk, S. B., M. V. Kirilichev e G. V. Babin. "Investigation of Formation Features of Sulphide Inclusions and their Distribution inside the Grain Depending upon the Conditions of Steel 20 Deoxidation". Materials Science Forum 945 (fevereiro de 2019): 592–97. http://dx.doi.org/10.4028/www.scientific.net/msf.945.592.
Texto completo da fonteKucha, Henryk, e Johann G. Raith. "Gold-oxysulphides in copper deposits of the Greywacke Zone, Austria: A mineral chemical and infrared fluid inclusion study". Ore Geology Reviews 35, n.º 1 (março de 2009): 87–100. http://dx.doi.org/10.1016/j.oregeorev.2008.10.004.
Texto completo da fonteAlmohaimeed, Ziyad M., Shumaila Karamat, Rizwan Akram, Saira Sarwar, Asad Javaid e Ahmet Oral. "An Effective Route for the Growth of Multilayer MoS2 by Combining Chemical Vapor Deposition and Wet Chemistry". Advances in Condensed Matter Physics 2022 (9 de fevereiro de 2022): 1–7. http://dx.doi.org/10.1155/2022/3233252.
Texto completo da fonteSchleid, Thomas, e Falk Lissner. "M10S14O-type oxysulphides (M La, Ce, Pr, Nd, Sm) as an “oxygen trap” in oxidation reactions of reduced lanthanide chlorides with sulphur". Journal of the Less Common Metals 175, n.º 2 (outubro de 1991): 309–19. http://dx.doi.org/10.1016/0022-5088(91)90017-x.
Texto completo da fonteKalasina, Saran, Ketsuda Kongsawatvoragul, Nutthaphon Phattharasupakun, Phitchayapha Phattharaphuti e Montree Sawangphruk. "Cobalt oxysulphide/hydroxide nanosheets with dual properties based on electrochromism and a charge storage mechanism". RSC Advances 10, n.º 24 (2020): 14154–60. http://dx.doi.org/10.1039/d0ra01714k.
Texto completo da fonteMessaddeq, S. H., I. Schripachev, S. J. L. Ribeiro e Y. Messaddeq. "Photoexpansion and photorefraction in oxysulphide glasses". Solid State Ionics 180, n.º 32-35 (26 de novembro de 2009): 1491–96. http://dx.doi.org/10.1016/j.ssi.2009.09.011.
Texto completo da fonteTeses / dissertações sobre o assunto "Oxysulphides"
Lê, Thi Kim-Chi. "Oxygen Reduction Reaction with Molybdenum-Containing Oxysulfide Nanoparticles : from Colloidal Synthesis to Surface Activity". Electronic Thesis or Diss., Sorbonne université, 2020. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2020SORUS209.pdf.
Texto completo da fonteToday, in personal vehicles, fuel cells are competing with the Li-ion batteries to provide the next technological leap. Hence, replacing noble metal by non-noble metal catalysts is essential to make them affordable. Molybdenum can be a good candidate as some compounds (e.g. MoS2, MoO2) are showing activity for the Oxygen Reduction Reaction (ORR). Uncommon molybdenum oxysulfides could be used as electrodes for Li-ion batteries or catalysts thanks to their porous structure in amorphous forms (thin films and bulk powders). Their colloidal synthesis at low temperature, favoring the nanoscaled materials and bypassing the simple energy-consuming synthesis, is barely reported. The same goes for their ORR catalytic reactivity, which was almost never studied. Here, the well-known colloidal synthesis of lanthanide oxysulfides at low temperature (around 300 °C), producing nanoparticles such as Gd2O2S, is extended to the use of Mo molecular precursors. We studied two pathways: by a two-step protocol (adding the Mo precursor to freshly formed, unwashed Gd2O2S nanoplates) or a one-step protocol (adding simultaneously both metallic precursors). The structural analysis showed that the first method possibly leads to a deposition of isolated molybdate tetrahedrons on Gd2O2S nanoplates without changing their shape and size, while the latter one leads to a more sulfide-like environment of Mo. As observed, only molybdate-doped samples (at low dose) showed positive results in terms of electrochemical activity, which is found related directly to the Mo’s presence. Other explorative work on the syntheses without Gd is being pursued to complement the study on the structure and the formation mechanism of the interested materials. Overall, this is the first attempt to synthesize molybdenum oxysulfide by applying the synthesis method of lanthanide oxysulfide
Mendes, Alessandra Carla. "Estudo e aplicações de filmes fotosensitivos de vidros óxidos e sulfeto de germânio". Universidade de São Paulo, 2008. http://www.teses.usp.br/teses/disponiveis/76/76132/tde-13052010-113027/.
Texto completo da fontePhotoexpansion and photobleaching effects were observed in 90% GeS2 + 10% Ga2O3 films. The films were deposited onto borosilicate substrates by electron beam evaporation technique. From transmission spectra, their bandgap energy, refractive index and thickness were determined by different analysis methods. To evaluate the photoinduced effects and find the optimal conditions to get the largest photoexpansion, the samples were exposed above bandgap light (~ 351 nm), varying power density (7.1- 47.2 mW/mm2), exposure time (30 120 min) and film thickness (0.37 4.80 m). The exposed areas were analyzed using profilemeter and photoexpansions from 0.03 to 0.16 m were obtained, whose maximum value was found for a 1.80 m thick film after 24.3 mW/mm2 illumination during 120 min. Fractional expansion (_V/V) from 8% to 30% was obtained and optical absorption edge measurements revealed a blue shift after illumination. This photobleaching was accompanied by a decrease in refractive index, as measured with the prism-coupling technique. The results reveal the influence of incorporated oxygen in the glass matrix when compared with Ga10Ge25S65 [1]. The chemical compositions were measured using an energy dispersive analyzer (EDX) and no significant difference could be observed between the compositions of illuminated and nonilluminated samples. So, we supposed that the photoinduced changes are caused by photostructural changes as well observed with Raman-scattering measurements in HH and HV configurations. The dependence of Raman spectra with the polarization of the light, observed in illuminated and non-illuminated films, is a direct evidence for the occurrence of important structural changes in local bonding configuration caused by optical irradiation. As application of the induced phenomenon, photoexpansion effect has been used to produce diffraction gratings. Atomic microscopy images and diffraction efficiency data indicate that photoexpansion leads to relief gating on the glass surface.
Capítulos de livros sobre o assunto "Oxysulphides"
"oxysulphide | oxysulfide, n." In Oxford English Dictionary. 3a ed. Oxford University Press, 2023. http://dx.doi.org/10.1093/oed/4415573521.
Texto completo da fonteTrabalhos de conferências sobre o assunto "Oxysulphides"
Muresan, Laura, Elisabeth-Jeanne Popovici, Amalia Hristea, Emil Indrea e Marilena Vasilescu. "Studies on the synthesis of terbium-activated gadolinium oxysulphide phosphors". In SPIE Proceedings, editado por Valentin I. Vlad. SPIE, 2004. http://dx.doi.org/10.1117/12.583075.
Texto completo da fonteAlharbi, Majed, Michael N. Martyn, Sean Gillespie, Peter Woulfe, Sinead O'Keeffe e Mark Foley. "Performance of a terbium doped gadolinium oxysulphide plastic optical fiber sensor in a flattening filter free setting: measurements and Monte Carlo simulation". In Optical Fibers and Sensors for Medical Diagnostics and Treatment Applications XIX, editado por Israel Gannot. SPIE, 2019. http://dx.doi.org/10.1117/12.2509441.
Texto completo da fonte