YbPO 4 nano-cylinders formation and alignment within optical fiber preforms using fiber-drawing process

Autor: Bruno Capoen, Anne-Marie Blanchenet, Christophe Kinowski, Géraud Bouwmans, Karen Delplace, H. El Hamzaoui, Benoit Prochet, Mohamed Bouazaoui

Publikováno v: Materials Research Bulletin
Materials Research Bulletin, Elsevier, 2018, 97, pp.293-299. ⟨10.1016/j.materresbull.2017.09.014⟩
Materials Research Bulletin, 2018, 97, pp.293-299. ⟨10.1016/j.materresbull.2017.09.014⟩

This paper describes the first synthesis of YbPO 4 nano-cylinders and nanoparticles within optical fiber preforms. To obtain YbPO 4 -doped silica monoliths, phosphosilicate powders, previously prepared by a sol–gel method, were impregnated with a s

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::26768b155be6cb1c7d257932dd20c8ea
https://doi.org/10.1016/j.materresbull.2017.09.014

Erbium-Doped Tin-Silicate Sol–Gel-Derived Glass-Ceramic Thin Films: Effect of Environment Segregation on the Er3+ Emission

Autor: Francesco d'Acapito, Bruno Capoen, Davor Ristić, Anna Lukowiak, Sylvia Turrell, Mohamed Bouazaoui, Rui M. Almeida, Christophe Kinowski, Odile Cristini-Robbe, Luís F. Santos, Tran Thi Van, Lam Quang Vinh, Mariano Ferrari

Publikováno v: Science of Advanced Materials. 7:301-308

A new class of glass-ceramic nanocomposite systems with a uniform distribution of SnO2 nanocrystals dispersed within an amorphous silica phase is fabricated in the form of thin films by using sol–gel processing. In this work, experiments with (100-

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4bd5d911f2a9680c324ac9016dd1fad5
https://doi.org/10.1166/sam.2015.2022

Controlled SnO2 nanocrystal growth in SiO2-SnO2 glass-ceramic monoliths

Autor: T. T. Van Tran, Bruno Capoen, T. Si Bui, Odile Cristini, Sylvia Turrell, Maurizio Ferrari, Mohamed Bouazaoui, Christophe Kinowski, Pascal Roussel

Publikováno v: Journal of Raman Spectroscopy. 43:869-875

Crack-free (100–x) SiO2–x SnO2 glass-ceramic monoliths have been prepared by the sol–gel method obtaining for the first time SnO2 concentrations of 20% with annealing at 1100 °C. Heat-treatment resulted in the formation and growth of SnO2 nano

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bf32051db10f7c1a94426cb69a9dfff4
https://doi.org/10.1002/jrs.3099

A detailed micro-Raman spectroscopic study of wall paintings of the period AD 100-200: effect of atmospheric conditions on the alteration of samples

Autor: Christophe Kinowski, Sylvia Turrell, Odile Cristini

Publikováno v: Journal of Raman Spectroscopy. 41:1410-1417

In this study, optical microscopy and micro-Raman spectroscopy were used to determine the chemical compositions of the materials used in the preparatory and pictorial layers of wall paintings from four different sites of the Roman Empire of first to

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f60845c185a237a50d29962d1dbbe4df
https://doi.org/10.1002/jrs.2656

Materials doping through sol–gel chemistry: a little something can make a big difference

Autor: Edouard Jallot, Jonathan Lao, Patrice Laquerriere, Laurence Courthéoux, Guillaume Renaudin, Sylvia Turrell, Christelle Mansuy, Christophe Kinowski, Jean-Marie Nedelec

Publikováno v: Journal of Sol-Gel Science and Technology
Journal of Sol-Gel Science and Technology, Springer Verlag, 2008, 46 (6), pp.259-271. ⟨10.1007/s10971-007-1665-0⟩
Journal of Sol-Gel Science and Technology, 2008, 46 (6), pp.259-271. ⟨10.1007/s10971-007-1665-0⟩

Several examples of sol–gel preparation of doped materials are taken to illustrate the various situations where the doping elements are responsible for the main function of the material or govern its structure. Other examples are used to illustrate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::eaee26464c3ad24b1cf143fb825aa6e5
https://doi.org/10.1007/s10971-007-1665-0