Photoluminescence properties of Tb-doped and (Zn,Tb) co-doped barium strontium titanate crystalline powders

Tb-doped and (Zn,Tb)-codoped Ba0.75Sr0.25TiO3 (BST) crystalline powders were prepared via a sol-gel process. Photoluminescence spectra of the samples were recorded at room temperature. When excited by 320 nm ultraviolet light, several emission peaks were detected, including four characteristic emiss...

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Veröffentlicht in:	Journal of alloys and compounds 2017-02, Vol.694, p.721-725
Hauptverfasser:	Zhao, Lili, Liu, Yanqiu, Zhai, Chunxue, Liao, Fuyou, Gao, Yongjin
Format:	Artikel
Sprache:	eng
Schlagworte:	Barium strontium titanate Barium strontium titanates Chemical compounds Crystal defects Crystal structure Doping Emission Excitation spectra Luminescence Optical properties Phosphors Photoluminescence Quenching Semiconductor doping Sol-gel processes Sol–gel process Ultraviolet radiation Zinc
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