Effect of lithium addition on Te4+ emission in TeO2-Li2O glasses
| dc.contributor.author | Costa, Francine Bettio [UNESP] | |
| dc.contributor.author | Souza, Ana Kely Rufino | |
| dc.contributor.author | Silva, Junior Reis | |
| dc.contributor.author | Moraes, João Carlos Silos [UNESP] | |
| dc.contributor.author | de Oliveira Nunes, Luiz Antonio | |
| dc.contributor.author | da Cunha Andrade, Luis Humberto | |
| dc.contributor.author | El-Mallawany, Raouf | |
| dc.contributor.author | Lima, Sandro Marcio | |
| dc.contributor.institution | Universidade Estadual Paulista (Unesp) | |
| dc.contributor.institution | Universidade Estadual de Mato Grosso do Sul (UEMS) | |
| dc.contributor.institution | Universidade de São Paulo (USP) | |
| dc.contributor.institution | Menofia University | |
| dc.date.accessioned | 2019-10-06T17:19:18Z | |
| dc.date.available | 2019-10-06T17:19:18Z | |
| dc.date.issued | 2019-11-15 | |
| dc.description.abstract | Lithium tellurite glasses with xTeO2 + (100 − x)Li2O nominal composition, where x = 95, 90, 85, 80, 75 and 70 mol%, have been prepared to investigate the dependence of the Te4+ emission as a function of the lithium modifier. Optical and structural properties of the glasses were explored by using UV–Vis absorption, photoluminescence and photoluminescence excitation spectroscopies, photoluminescence lifetime and Raman spectroscopy. Besides, the influence of Li2O in the glass structure was verified by density, glass transition temperature, thermal stability, glass-forming tendency, optical band edge and the number of non-bridging oxygen. The results support there is a good correlation between the glass structure and the Te4+ center concentration: the Li2O content contributes to increase the Te4+ in the glass structure. | en |
| dc.description.affiliation | Grupo Vidros e Cerâmicas Universidade Estadual Paulista – UNESP | |
| dc.description.affiliation | Grupo de Espectroscopia Óptica e Fototérmica Universidade Estadual de Mato Grosso do Sul | |
| dc.description.affiliation | Laboratório de Laser e Aplicações Universidade de São Paulo | |
| dc.description.affiliation | Physics Department Faculty of Science Menofia University | |
| dc.description.affiliationUnesp | Grupo Vidros e Cerâmicas Universidade Estadual Paulista – UNESP | |
| dc.description.sponsorship | Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES) | |
| dc.description.sponsorship | Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq) | |
| dc.description.sponsorship | Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP) | |
| dc.description.sponsorship | Fundação de Apoio ao Desenvolvimento do Ensino, Ciência e Tecnologia do Estado de Mato Grosso do Sul | |
| dc.description.sponsorshipId | Fundação de Apoio ao Desenvolvimento do Ensino, Ciência e Tecnologia do Estado de Mato Grosso do Sul: 59/300.031/2015 | |
| dc.identifier | http://dx.doi.org/10.1016/j.jnoncrysol.2019.119609 | |
| dc.identifier.citation | Journal of Non-Crystalline Solids, v. 524. | |
| dc.identifier.doi | 10.1016/j.jnoncrysol.2019.119609 | |
| dc.identifier.issn | 0022-3093 | |
| dc.identifier.scopus | 2-s2.0-85071619602 | |
| dc.identifier.uri | http://hdl.handle.net/11449/190620 | |
| dc.language.iso | eng | |
| dc.relation.ispartof | Journal of Non-Crystalline Solids | |
| dc.rights.accessRights | Acesso aberto | |
| dc.source | Scopus | |
| dc.subject | Lithium as modifier | |
| dc.subject | Photoluminescence | |
| dc.subject | Te4+ centers | |
| dc.subject | Tellurite glasses | |
| dc.title | Effect of lithium addition on Te4+ emission in TeO2-Li2O glasses | en |
| dc.type | Artigo | |
| dspace.entity.type | Publication | |
| unesp.author.orcid | 0000-0002-3270-6628[8] | |
| unesp.department | Física e Química - FEIS | pt |