Luminescence of the elpasolite series M2IMIIMCl6 (MI=Cs, Rb; MII=Li, Na; M=Lu, Y, Sc, In) doped with europium using synchrotron radiation excitation

被引：10

作者：

Tanner, Peter A. ^{[1
]}

Duan, Chang-Kui ^{[2
]}

Jia, Guohua ^{[3
]}

Cheng, Bing-Ming ^{[4
]}

机构：

[1] Guangdong Univ Technol, Fac Phys & Optoelect Engn, Guangzhou 510006, Guangdong, Peoples R China

[2] Univ Sci & Technol China, Dept Phys, Hefei, Anhui, Peoples R China

[3] China Jiliang Univ, Coll Mat Sci & Engn, Hangzhou 310018, Zhejiang, Peoples R China

[4] Natl Synchrotron Radiat Res Ctr, Hsinchu, Taiwan

来源：

JOURNAL OF SOLID STATE CHEMISTRY | 2012年 / 188卷

关键词：

Divalent europium; Trivalent europium; Ultraviolet emission; Elpasolite lattice; Synchrotron radiation; RARE-EARTH IONS; EMISSION-SPECTRA; SCINTILLATION PROPERTIES; ANOMALOUS EMISSION; ELECTRONIC-SPECTRA; CRYSTALS; ABSORPTION; SPECTROSCOPY; KCL; TRANSITION;

D O I：

10.1016/j.jssc.2012.01.047

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

The excitation and emission spectra of a series of cubic hexachloroelpasolites doped with europium have been investigated using synchrotron radiation at 10 K. Besides the Eu3+ emission from D-5(J) (J=0-3) multiplets, emission from H-5(3) is also observed for Cs2NaIn0.995Eu0.005Cl6, since the gap to the next lowest level is spanned by seven phonons. The excitation spectra of samples indicate impurities due to oxygen and divalent europium. Broad band emission from Eu2+ is reported from the crystalline samples grown in vacuum by the Bridgman process, with the maximum wavelength shifting to the red with increasing lattice parameter for the series Cs2NaMCl6:Eu2+ (M=Lu, Y, Eu). (C) 2012 Elsevier Inc. All rights reserved.

引用

页码：105 / 108

页数：4

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