Effect of the substitution of S for Se on the structure of the glasses in the system Ge0.23Sb0.07S0.70−xSex

Autor: Falcão-Filho, E., Humeau, A., Guichaoua, D., Kassab, Luciana, de Araújo, Cid, Briois, V., Pradel, A., Messaddeq, Y., Nalin, M., Godet, J.-L., Derbal, H., Cherukulappurath, S., Boudebs, Georges, Petit, L., Carlie, N., Richardson, K., Guo, Y., Schulte, A., Campbell, B., Ferreira, B., Martin, S.
Přispěvatelé: Propriétés Optiques des Matériaux et Applications (POMA), Centre National de la Recherche Scientifique (CNRS)-Université d'Angers (UA), Departamento de Fisica, Universidade Federal de Pernambuco, Universidade Federal de Pernambuco [Recife] (UFPE), Synchrotron SOLEIL, Institut Charles Gerhardt Montpellier - Institut de Chimie Moléculaire et des Matériaux de Montpellier (ICGM ICMMM), Ecole Nationale Supérieure de Chimie de Montpellier (ENSCM)-Centre National de la Recherche Scientifique (CNRS)-Université de Montpellier (UM)-Université Montpellier 1 (UM1)-Université Montpellier 2 - Sciences et Techniques (UM2)-Institut de Chimie du CNRS (INC), Laboratorio dos Materiais Fotônicos, Universidade Estadual Paulista Júlio de Mesquita Filho = São Paulo State University (UNESP), Centre de génétique et de physiologie moléculaire et cellulaire (CGPhiMC), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon, Laboratoire de Photonique d'Angers (LPHIA), Université d'Angers (UA), Laboratoire de Génie Electrique et Ferroélectricité (LGEF), Institut National des Sciences Appliquées de Lyon (INSA Lyon), Université de Lyon-Institut National des Sciences Appliquées (INSA)-Université de Lyon-Institut National des Sciences Appliquées (INSA), The College of Optics and Photonics [Orlando] (CREOL), University of Central Florida [Orlando] (UCF), School of Material Science and Engineering, Clemson University, Transformation Intégrée de la Matière Renouvelable (TIMR), Université de Technologie de Compiègne (UTC), Synchrotron SOLEIL (SSOLEIL), Centre National de la Recherche Scientifique (CNRS)
Jazyk: angličtina
Rok vydání: 2005
Předmět:
Zdroj: Journal of Physics and Chemistry of Solids
Journal of Physics and Chemistry of Solids, Elsevier, 2005, 66 (10), pp.1788-1794. ⟨10.1016/j.jpcs.2005.08.090⟩
ISSN: 0022-3697
DOI: 10.1016/j.jpcs.2005.08.090⟩
Popis: Glasses in the system Ge–Sb–S/Se, expected to have high nonlinear index, have been elaborated with different S/Se ratio in order to increase the nonlinear optical properties of these glasses. We report results of a systematic study examining the relationship of the physical properties to the structure of the glasses in the system Ge 0.23 Sb 0.07 S 0.70− x Se x with x =0, 0.05, 0.10, 0.20, 0.50 and 0.70 where the substitution of S for Se has been made. The decrease of the glass transition temperature and the increase of the density with the progressive substitution of S for Se have been correlated, in accordance with the red shift of the absorption band gap, to the progressive decrease of corner-sharing GeS 4/2 units for 0.05 x 4/2 units and Ge–Se–Ge when x >0.50.
Databáze: OpenAIRE