Výsledky vyhledávání - "Sophie Guillemet"

Akademický článek

Innovative ceramic-matrix composite substrates with tunable electrical conductivity for high-power applications

Autor: Driss Kenfaui, Zarel Valdez-Nava, Lionel Laudebat, Marie-Laure Locatelli, Céline Combettes, Vincent Bley, Sorin Dinculescu, Christophe Tenailleau, Pascal Dufour, Sophie Guillemet-Fritsch

Publikováno v: Science and Technology of Advanced Materials, Vol 23, Iss 1, Pp 735-751 (2022)

A wide band gap semiconductor power module can operate at higher voltages as compared with its traditional silicon counterpart. However, its insulating system undergoes stronger electric fields at the triple point between the ceramic substrate, the m

Externí odkaz: https://doaj.org/article/dac2ff76caa24450b15e6bc5a3b880f1

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Akademický článek

Heterojunction p-Cu2O/ZnO-n solar cell fabricated by spark plasma sintering

Autor: Christophe Tenailleau, Guillaume Salek, Thi Ly Le, Benjamin Duployer, Jean-Jacques Demai, Pascal Dufour, Sophie Guillemet-Fritsch

Publikováno v: Materials for Renewable and Sustainable Energy, Vol 6, Iss 4, Pp 1-7 (2017)

Abstract Cuprous oxide and zinc oxide nanoparticles were prepared at room temperature by inorganic polycondensation. X-ray diffraction (XRD) analyses show that the oxide phases formed are pure and well crystallized. The spark plasma sintering (SPS) t

Externí odkaz: https://doaj.org/article/289d5cb041374f97bfcb607c0fbd0004

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Akademický článek

Investigation of structural transition in molybdates CuMo1-xWxO4 prepared by polymeric precursor method

Autor: Mohamed Benchikhi, Rachida El Ouatib, Sophie Guillemet-Fritsch, Lahcen Er-Rakho, Bernard Durand

Publikováno v: Processing and Application of Ceramics, Vol 11, Iss 1, Pp 21-26 (2017)

Solid solutions (CuMo1-xWxO4 where 0 ≤ x ≤ 0.12) were synthesized by using a polymeric precursor method. The crystallization process of the polymeric precursors was investigated using TG-DTA, FTIR and XRD techniques. Crystallization of the CuMo1-

Externí odkaz: https://doaj.org/article/42d9e15b5302463aa9bb2bf576083b10

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Akademický článek

BaTiO3 thick ﬁ lms obtained by tape casting from powders prepared by the oxalate route

Autor: Adelina Ianculescu, Sophie Guillemet-Fritsch, Bernard Durand

Publikováno v: Processing and Application of Ceramics, Vol 3, Iss 1-2, Pp 65-71 (2009)

BaTiO3 powders were prepared by co-precipitation via oxalate route. The size, morphology and particle size distribution of the oxalate powders have been optimized by the control of different synthesis parameters during the precipitation reaction (nat

Externí odkaz: https://doaj.org/article/2889945ed845409a9155da7b353c6d00

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Microstructure and thermoelectric properties of Al-doped ZnO ceramic prepared by spark plasma sintering

Autor: Precious Manti Radingoana, Sophie Guillemet-Fritsch, Jacques Noudem, Peter Apata Olubambi, Geoffroy Chevallier, Claude Estournès

Publikováno v: Journal of the European Ceramic Society
Journal of the European Ceramic Society, In press, ⟨10.1016/j.jeurceramsoc.2022.10.034⟩

International audience; The high thermal and low electrical conductivities of ZnO ceramics have hindered their thermoelectric applications. The doping of ZnO with group 3 elements can enhance the thermoelectric properties. In this work, Al (2 at%) do

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c6aad5bc8dc031945632309d5a5868f9
https://hal.science/hal-03851406

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Unraveling All‐Inorganic CsPbI 3 and CsPbI 2 Br Perovskite Thin Films Formation – Black Phase Stabilization by Cs 2 PbCl 2 I 2 Addition and Flash‐Annealing

Autor: Sophie Guillemet-Fritsch, Edouard Breniaux, Pascal Dufour, Christophe Tenailleau

Publikováno v: European Journal of Inorganic Chemistry. 2021:3059-3073

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::370d69af1b7d939dc34354656db991f3
https://doi.org/10.1002/ejic.202100304

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Correlation between degree of crystallinity and bluing of Zn1–Co Al2O4 (0≤x≤1) nanopowders prepared by soft chemistry route

Autor: Lahcen Er-Rakho, Bernard Durand, Yann Borjon-Piron, Rachida El Ouatib, Hind Lakhlifi, Youssef El Jabbar, Sophie Guillemet-Fritsch

Publikováno v: Ceramics International
Ceramics International, Elsevier, 2021, 47 (11), pp.16269-16275. ⟨10.1016/j.ceramint.2021.02.205⟩

International audience; In this article, we report a facile precursor pyrolysis by sol-gel method to prepare spinel-type Cobalt-substituted zinc aluminate nanoparticles (Zn1–xCoxAl2O4, 0≤x≤1). The relationship between the degree of crystallinit

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4c1020cd7bf0e833fcea4768de1baa56
https://doi.org/10.1016/j.ceramint.2021.02.205

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Preparation and characterisation of green nano-sized ceramic pigments with the spinel structure AB2O4 (A = Co, Ni and B = Cr, Al)

Autor: Bernard Durand, Youssef El Jabbar, Sophie Guillemet-Fritsch, Hind Lakhlifi, Rachida El Ouatib, Lahcen Er-Rakho

Publikováno v: Solid State Communications
Solid State Communications, Elsevier, 2021, 334-335, pp.114394. ⟨10.1016/j.ssc.2021.114394⟩

International audience; Inorganic pigments based on AB2O4 (A = Co, Ni; B = Cr, Al) spinel structures with green colour were successfully synthesised by the polymeric route. The effect of the substitution of trivalent and divalent cations on the struc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9873aeef8b47662b7fb290df314684c0
https://oatao.univ-toulouse.fr/28609/

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Green nanoceramic pigments based on cobalt chromite doped with Al: Synthesis, characterisation and colour performance

Autor: Lahcen Er-Rakho, Bernard Durand, Rachida El Ouatib, Hind Lakhlifi, Youssef El Jabbar, Sophie Guillemet-Fritsch

Publikováno v: Ceramics International
Ceramics International, Elsevier, 2020, ⟨10.1016/j.ceramint.2020.12.068⟩

Nano-sized spinel cobalt chromite oxide CoCr2O4 and its substituted forms CoCr2−xAlxO4 (0 ≤ x ≤ 2) have been successfully synthesised by wet chemical route. The prepared powders were characterised by means of thermal analysis (DTA/TGA), X-ray d

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::87847d3e761bda09deee0e3f0bc01371
https://hal.archives-ouvertes.fr/hal-03094276

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Synthesis of molybdates Zn1-xCoxMoO4 (0 ≤ x ≤ 1), by decomposition of the precursors developed by the glycine-nitrate process (GNP), and their characterization

Autor: Hind Lakhlifi, Bernard Durand, Youssef El Jabbar, Sophie Guillemet-Fritsch, Lahcen Er-Rakho, Rachida El Ouatib

Publikováno v: Materials Science in Semiconductor Processing
Materials Science in Semiconductor Processing, Elsevier, 2020, 114, pp.105054. ⟨10.1016/j.mssp.2020.105054⟩

International audience; Nanocrystals of zinc-cobalt molybdate (Zn1-xCoxMoO4) were prepared by the glycine-nitrate process (GNP) route with a glycine/nitrate ratio of 2:3 and compared to the solid state synthesis. The obtained powders were characteriz

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::85940da6361580ae83fa804dbe22448f
https://oatao.univ-toulouse.fr/26801/

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