Zobrazeno 1 - 10 of 74 pro vyhledávání: '"Luc Brohan"'
1
Synthesis of titanium dioxide precursor by the hydrolysis of titanium oxychloride solution
Autor: Anthony Magueresse, Patrick Glouannec, Pascal Le Bideau, Mireille Richard-Plouet, D. Iya-Sou, Luc Brohan
Publikováno v: RiuNet. Repositorio Institucional de la Universitat Politécnica de Valéncia
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[EN] This communication focuses on the development of an approach to improve the synthesis of [Ti8O12(H2O)24]Cl8.HCl.7H2O crystals which is one of the precursor for titanium dioxide TiO2 particles. This study provides a significant improvement in cry
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b502d6e42828e15f3b6b813635edc8de
http://hdl.handle.net/10251/117773
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2
The crystal structure of Rb2Ti2O5
Autor: Brigitte Leridon, Armel Descamps-Mandine, Fabio Finocchi, P. Giura, Abhay Shukla, Luc Brohan, Rémi Federicci, Keevin Béneut, Florin Popa, Thierry Douillard, Benoit Baptiste, Gwenaëlle Rousse
Publikováno v: Acta Crystallographica Section B : Structural Science, Crystal Engineering and Materials [2014-...]
Acta Crystallographica Section B : Structural Science, Crystal Engineering and Materials [2014-..], 2017, 73 (6), pp.1142-1150. ⟨10.1107/S2052520617013646⟩
Acta Crystallographica Section B, Structural Science, Crystal Engineering and Materials
Acta Crystallographica Section B, Structural Science, Crystal Engineering and Materials, International Union of Crystallography, 2017, 73 (6), pp.1142-1150. ⟨10.1107/S2052520617013646⟩
Recent results have demonstrated an exceptionally high permittivity in the range 200–330 K in crystalline titanium oxide Rb2Ti2O5. In this article, the possibility of a structural transition giving rise to ferroelectricity is carefully inspected. I
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab2858691d97d11d6946c121babaa607
https://hal.science/hal-01985276/file/text_VF.pdf
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3
TiO 2 Anatase Solutions for Electron Transporting Layers in Organic Photovoltaic Cells
Autor: Moustafa El Kass, Noëlla Lemaitre, Solène Béchu, Céline David, Mireille Richard-Plouet, Luc Brohan, Solenn Berson, Nicolas Gautier
Publikováno v: ChemPhysChem
ChemPhysChem, 2017, 18 (17), pp.2390-2396. ⟨10.1002/cphc.201700306⟩
ChemPhysChem, Wiley-VCH Verlag, 2017, 18 (17), pp.2390-2396. ⟨10.1002/cphc.201700306⟩
Using reflux method with [Ti8O12(H2O)24]Cl8.HCl.7H2O as titanium precursor at 120°C for 24h leads to produce a transparent colloidal solution of nanosized crystallised anatase TiO2. The adjustment of the particle size and composition of the dispersa
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d3d51917b0059856083ba5e52aa118b
https://hal.science/hal-01623099
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4
Rb2Ti2O5 : Superionic conductor with colossal dielectric constant
Autor: Brigitte Leridon, Benoît. Baptiste, Luc Brohan, Stéphane Holé, Rémi Federicci, Silvana Mercone, Aurelian Florin Popa
Publikováno v: Physical Review Materials. 1
A colossal dielectric constant is demonstrated (up to 109) in the lamellar perovskite titanate Rb${}_{2}$Ti${}_{2}$O${}_{5}$ at room temperature. Due to a combination of high purely internal ionic conduction and immaterial electronic conduction, this
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3c538998aa09f09bb619bbc8f081eb7e
https://doi.org/10.1103/physrevmaterials.1.032001
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6
Electrophoretic deposition of BaTiO3 thin films from stable colloidal aqueous solutions
Autor: Hélène Terrisse, Caroline Borderon, Hartmut Gundel, Raphaël Renoud, Elsy Bacha, Mireille Richard-Plouet, Luc Brohan
Publikováno v: Journal of the European Ceramic Society
Journal of the European Ceramic Society, Elsevier, 2014, 34, pp.2239-2247. ⟨10.1016/j.jeurceramsoc.2014.02.023⟩
Journal of the European Ceramic Society, 2014, 34, pp.2239-2247. ⟨10.1016/j.jeurceramsoc.2014.02.023⟩
International audience; Polycrystalline BaTiO3 (BTO) thin films were electrodeposited on titanium foils from colloidal aqueous solutions of BTO nanoparticles which were synthesized by a hydrothermal process, under autogenous conditions. Two kinds of
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::181e77d572720cb715049917f9a45d3b
https://doi.org/10.1016/j.jeurceramsoc.2014.02.023
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7
Ellipsometric and XPS characterization of transparent nickel oxide thin films deposited by reactive HiPIMS
Autor: Linda Cattin, A. Ferrec, Antoine Goullet, J. Keraudy, Mireille Richard-Plouet, D.T. Nguyen, P.-Y. Jouan, Luc Brohan
Publikováno v: Surface and Coatings Technology. 250:21-25
We have deposited transparent p-type semiconductive NiO thin films by reactive HiPIMS which appeared to be a powerful method to produce thin films exhibiting gradients of chemical compositions and opto-electronic properties. For a fixed amount of oxy
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b3c7abeac2bc79dec788f56842d72cb2
https://doi.org/10.1016/j.surfcoat.2014.02.014
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8
Deposition of nickel oxide by direct current reactive sputtering
Autor: Linda Cattin, Arkadiusz Michal Karpinski, P.-Y. Jouan, A. Ferrec, Luc Brohan, M. A. Djouadi, Mireille Richard-Plouet
Publikováno v: Thin Solid Films. 520:3609-3613
Nickel oxide thin films were deposited by Direct Current magnetron reactive sputtering from Ni target onto SnO2:F conductive glass substrates. The process was carried out without intentional heating, in an argon/oxygen gas mixture with various oxygen
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ee5335a02568a97f4d1de66c3466c6f5
https://doi.org/10.1016/j.tsf.2011.12.068
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9
Ternary Morphological Diagram for Nano(tube−ribbon−sphere) Sodium Titanate Deduced from Raman Spectra Analysis
Autor: Thomas Beuvier, Luc Brohan, Mireille Richard-Plouet
Publikováno v: Journal of Physical Chemistry C
Journal of Physical Chemistry C, American Chemical Society, 2010, 114 (17), pp.7660. ⟨10.1021/jp9116003⟩
International audience; In this study, sodium hydroxo titanates were synthesized using the reflux process in an alkaline medium. Three distinct morphologies were obtained, nanotubes and nanoribbons as classically encountered in the literature and a n
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::83f003b7708c84ecf626a7222777d99e
https://doi.org/10.1021/jp9116003
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10
Dip-coated La2Ti2O7 as a buffer layer for growth of Bi3.25La0.75Ti3O12 films with enhanced (011) orientation
Autor: Claude Estournès, Chia-Erh Liu, Marie-Paule Besland, Luc Brohan, David Albertini, Mireille Richard-Plouet
Publikováno v: Journal of the European Ceramic Society
Journal of the European Ceramic Society, Elsevier, 2009, 29 (10), pp.1977. ⟨10.1016/j.jeurceramsoc.2008.12.003⟩
International audience; Thin-films of La2Ti2O7 were obtained by dip-coating process using a precursor salt in nitric acid solution. The effects of solution concentration, withdrawal speed, post-annealing duration and temperature were investigated bot
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::029c04c3b10834ae0b3de5ea8a64370d
https://doi.org/10.1016/j.jeurceramsoc.2008.12.003
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