Refined structural studies on the fluorite-related polymorphs of sol–gel undoped and Eu3+-doped yttrium tantalates

Author:

Borges Fernanda Hediger1,Guidorzi Maria Vitória1,Labaki Hayra do Prado1ORCID,Ferreira Rute A. S.2ORCID,Gonçalves Rogéria Rocha1ORCID

Affiliation:

1. Laboratório de Materiais Luminescentes Micro e Nanoestruturados – Mater Lumen, Departamento de Química, FFCLRP, Universidade de São Paulo, SP, Brazil

2. Department of Physics and CICECO-Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal

Abstract

Undoped and Eu3+-doped yttrium tantalates were synthesized via sol–gel method. Refined X-ray diffraction, Raman spectroscopy, and low-temperature photoluminescence measurements were employed for conclusive RE3TaO7 crystalline phase asignment.

Funder

Fundação de Amparo à Pesquisa do Estado de São Paulo

Conselho Nacional de Desenvolvimento Científico e Tecnológico

Coordenação de Aperfeiçoamento de Pessoal de Nível Superior

Centro de Investigação em Materiais Cerâmicos e Compósitos

European Regional Development Fund

Publisher

Royal Society of Chemistry (RSC)

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