Zobrazeno 1 - 9 of 9 pro vyhledávání: '"Thibault Alphazan"'
1
Ethoxy and silsesquioxane derivatives of antimony as dopant precursors: unravelling the structure and thermal stability of surface species on SiO2
Autor: Thibault Alphazan, Pierre Florian, Chloé Thieuleux
Publikováno v: Physical Chemistry Chemical Physics
Physical Chemistry Chemical Physics, 2017, 19 (12), pp.8595--8601. ⟨10.1039/c6cp08583k⟩
Physical Chemistry Chemical Physics, Royal Society of Chemistry, 2017, 19 (12), pp.8595--8601. ⟨10.1039/c6cp08583k⟩
International audience; We report here the controlled preparation of SiO2 supported Sb-(mono)layers and their thorough characterization by in situ IR, solid-state NMR and elemental analyses. This study allows for the molecular understanding of the su
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c62abcfac1ea268d13eb174da2b1e11b
https://doi.org/10.1039/c6cp08583k
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2
Shallow Heavily Doped n++ Germanium by Organo-Antimony Monolayer Doping
Autor: Marc Veillerot, Virginie Enyedi, Chloé Thieuleux, J.P. Nys, Névine Rochat, Thibault Alphazan, Eugénie Martinez, Helen Grampeix, Maxime Berthe, François Martin, Adrian Díaz Álvarez, Bruno Grandidier, Marc Dewitte, Didier Stiévenard
Publikováno v: ACS applied materialsinterfaces. 9(23)
Functionalization of Ge surfaces with the aim of incorporating specific dopant atoms to form high-quality junctions is of particular importance for the development of solid-state devices. In this study, we report the shallow doping of Ge wafers with
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8233c0fefe67ff6c30d087ae140a4dab
https://pubmed.ncbi.nlm.nih.gov/28534397
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3
Highly Active Nonpromoted Hydrotreating Catalysts through the Controlled Growth of a Supported Hexagonal WS2 Phase
Autor: Thibault Alphazan, Audrey Bonduelle-Skrzypczak, Christèle Legens, Anne-Sophie Gay, Zoubeyr Boudene, Maria Girleanu, Ovidiu Ersen, Christophe Copéret, Pascal Raybaud
Publikováno v: ACS Catalysis. 4:4320-4331
Highly active nonpromoted W-based hydrotreating catalysts are prepared through a molecular approach with a control of each step. This approach yields WS2 crystallites exhibiting hexagonal 2D morphology, which have been characterized by combining XPS
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::27e492e95457cde0c2fd960aa417b2c6
https://doi.org/10.1021/cs501311m
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4
Magnifying the Morphology Change Induced by a Nickel Promoter in Tungsten(IV) Sulfide Industrial Hydrocracking Catalyst: A HAADF-STEM and DFT Study
Autor: Maria Girleanu, Thibault Alphazan, Zoubeyr Boudene, Audrey Bonduelle-Skrzypczak, Christèle Legens, Anne-Sophie Gay, Christophe Copéret, Ovidiu Ersen, Pascal Raybaud
Publikováno v: ChemCatChem
ChemCatChem, Wiley, 2014, 6 (6), pp.1594-1598. ⟨10.1002/cctc.201402115⟩
International audience; Changes in the two-dimensional (2D) morphology of nonpromoted WS2 and Ni-promoted WS2 (NiWS) catalytically active nanolayers supported on amorphous silica-alumina (ASA) are revealed by aberration-corrected scanning transmissio
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::44f8f3e71f9c5131e061ca9e480a66a8
https://doi.org/10.1002/cctc.201402115
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5
Monolayer doping of silicon through grafting a tailored molecular phosphorus precursor onto cxide-passivated silicon surfaces
Autor: Laurent Veyre, Hervé Fontaine, Lyndon Emsley, Martin Schwarzwälder, François Martin, Laurent Mathey, Aaron J. Rossini, Virginie Enyedi, Tsung-Han Lin, Thibault Alphazan, Marc Veillerot, Raphael Wischert, Chloé Thieuleux, Christophe Copéret, Anne Lesage
Publikováno v: Chemistry of Materials
Chemistry of Materials, American Chemical Society, 2016, 28 (11), pp.3634-3640. ⟨10.1021/acs.chemmater.5b04291⟩
Chemistry of Materials, 2016, 28 (11), pp.3634-3640. ⟨10.1021/acs.chemmater.5b04291⟩
The authors thank S. Deleonibus (DRT/LETI), M. Sanquer (DSM/INAC), and L. Vandroux (DRT/LETI) for their continuous support, as well as V. Loup, P. Besson, M. Danielou, S. Kerdiles, A. Andre, L. Andreutti, and J.P. Barnes from CEA/LETI/Minatec; and K.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4f012091a263daa86f4fee810b403204
https://hal.archives-ouvertes.fr/hal-01355514
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6
Improved promoter effect in NiWS catalysts through a molecular approach and an optimized Ni edge decoration
Autor: Thibault Alphazan, Audrey Bonduelle-Skrzypczak, Christèle Legens, Zoubeyr Boudene, Anne-Lise Taleb, Anne-Sophie Gay, Ovidiu Ersen, Christophe Copéret, Pascal Raybaud
Publikováno v: Journal of Catalysis
Journal of Catalysis, Elsevier, 2016, 340, pp.60-65. ⟨10.1016/j.jcat.2016.05.004⟩
An efficient preparation method – based on the grafting and deposition of Ni and W molecular precursors onto partially dehydroxylated amorphous silica–alumina followed by a thermal treatment under H 2 S/H 2 – generates supported NiWS catalysts
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9fa708411cd5385db734a46e9ddef1ea
https://hal.archives-ouvertes.fr/hal-01449790/file/JCatal_Alphazan_final.pdf
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7
Thermo-physical characterization of Pharmacoat® 603, Pharmacoat® 615 and Mowiol® 4-98
Autor: Thibault Alphazan, Gabrie M.H. Meesters, G. Perfetti, W.J. Wildeboer
Publikováno v: Journal of Thermal Analysis and Calorimetry, 109(1)2012
Hydroxypropyl methylcellulose (HPMC) and polyvinyl alcohol (PVA) are important polymers in pharmaceutical, food and other industries being largely used as encapsulation agents. The characterization of two reference grades of HPMC (Pharmacoat® 603 an
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f643ae0e8886ed9da5cb9bdc93567fc9
https://doi.org/10.1007/s10973-011-1664-9
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8
Relation between surface roughness of free films and process parameters in spray coating
Autor: Thibault Alphazan, W.J. Wildeboer, P. van Hee, Gabrie M.H. Meesters, G. Perfetti
Publikováno v: European Journal of Pharmaceutical Sciences. 42:262-272
A novel spraying apparatus was developed to obtain reproducible free sprayed films. Aqueous solutions of PolyVinyl Alcohol PVA 4-98, HydroxyPropyl MethylCellulose HPMC 603 and HPMC 615 were used as reference coating materials. The apparatus is compos
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::83608ce46d5d0dd1ac2063b5c35001a3
https://doi.org/10.1016/j.ejps.2010.12.001
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9
Functionalization of Silica Nanoparticles and Native Silicon Oxide with Tailored Boron-Molecular Precursors for Efficient and Predictive p -Doping of Silicon
Autor: Laurent Veyre, Christophe Copéret, Marianne Danielou, Virginie Enyedi, Jean-Paul Barnes, Maxence Valla, Laurent Mathey, Hervé Fontaine, Corentin Durand, Denis Mariolle, Thibault Alphazan, Jolien Dendooven, Chloé Thieuleux, Marc Veillerot, François Martin, Bruno Grandidier, Sebastien Kerdiles, Karim Yckache, Maxime Berthe, Jean Guerrero, François Bertin, Nicolas Chevalier
Publikováno v: Journal of Physical Chemistry C
Journal of Physical Chemistry C, 2015, 119 (24), pp.13750-13757. ⟨10.1021/acs.jpcc.5b03408⟩
Journal of Physical Chemistry C, American Chemical Society, 2015, 119 (24), pp.13750-13757. ⟨10.1021/acs.jpcc.5b03408⟩
Designing new approaches to incorporate dopant impurities in semiconductor materials is essential in keeping pace with electronics miniaturization without device performance degradation. On the basis of a mild solution-phase synthetic approach to fun
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4959ebf92e1cca5314b44ffe8a77db1c
https://hal.science/hal-02084783
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