Optical and Structural Studies of Mn2+ Doped SbPO4-ZnO-PbO Glasses

Autor(es)

Manzan, Renata S. ^{[1, 2]} ; Donoso, Jose P. ^[3] ; Magon, Claudio J. ^[3] ; Silva, Igor d'Anciaes A. ^[3] ; Ruessel, Christian ^[4] ; Nalin, Marcelo ^[2]

Afiliação do(s) autor(es)

^[1] Univ Fed Sao Carlos UFSCar, Dept Quim, BR-13565905 Sao Carlos, SP - Brazil

^[2] Univ Estadual Paulista Julio de Mesquita Filho Un, Inst Quim, Lab Vidros Especiais LAViE, BR-14800060 Araraquara, SP - Brazil

^[3] Univ Sao Paulo, Inst Fis Sao Carlos, BR-13566590 Sao Carlos, SP - Brazil

^[4] Univ Jena, Otto Schott Inst Mat Res, D-07743 Jena - Germany

• Tipo de documento: Artigo Científico
• Fonte: Journal of the Brazilian Chemical Society; v. 26, n. 12, p. 2607-2614, DEC 2015.
• Citações Web of Science: 5

Resumo

New glass compositions in the system 1-x(SbPO4-ZnO-PbO)-xMnO (with 0 ≤ x ≤ 20 in mol%) were prepared by melt-quenching methodology. Thermal, structural and optical properties of the new glasses were systematically studied by means of differential scanning calorimetry (DSC), UV-Vis and Raman spectroscopy, fluorescence and electronic paramagnetic resonance (EPR). The addition of MnO increases the thermal stability of the glasses with Tx – Tg close to 140 ºC for higher Mn contents. EPR measurements show that Mn2+ ions are in octahedral arrangement which is in agreement with UV-Vis and luminescence results. Samples present red luminescence when excited with 408 nm source. (AU)

• Processo FAPESP: 13/07793-6 - CEPIV - Centro de Ensino, Pesquisa e Inovação em Vidros
• Beneficiário: Edgar Dutra Zanotto
• Modalidade de apoio: Auxílio à Pesquisa - Centros de Pesquisa, Inovação e Difusão - CEPIDs
• Processo FAPESP: 12/05087-4 - Preparação de vidros e vitrocerâmicas no sistema SbPO4-PbO-ZnO dopados com manganês e ferro.
• Beneficiário: Renata Fernandes Siqueira
• Modalidade de apoio: Bolsas no Brasil - Mestrado