Structure and Spectral Properties of RE3+(RE=Eu,Tb,Pr,Sm)in La-Nb(Ta) Complex Bromoxide

Chem. J. Chinese Universities ›› 1994, Vol. 15 ›› Issue (8): 1204.

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Structure and Spectral Properties of RE³⁺(RE=Eu,Tb,Pr,Sm)in La-Nb(Ta) Complex Bromoxide

ZHOU Shi-Hong, ZHANG Jing-Jun, ZHANG Si-Yuan

Changchun Institute of Applied Chemistry Academia Sinica, Changchun, 130022

Received:1993-09-01 Revised:1994-03-12 Online:1994-08-24 Published:1994-08-24

Abstract

Abstract: Aseries of compounds, REO_0.06La_0.94M₂O₆Br(M=Nb, Ta;RE=Eu, Tb, Pr, Sm), have been synthesized by solid reaction method at high temperature, and their excitation and emission spectra have been measured. The Eu³⁺, Tb³⁺, Pr³⁺ and Sm³⁺in La-Nb(Ta)complex bromoxide showed the characteristic excitation and emission lines at room temperature.However, the spectral properties at Nb compounds are lightly different from that Ta compounds.

Key words: Rare earth, Nb, Ta, Complex bromoxide, Spectral properties

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ZHOU Shi-Hong, ZHANG Jing-Jun, ZHANG Si-Yuan. Structure and Spectral Properties of RE³⁺(RE=Eu,Tb,Pr,Sm)in La-Nb(Ta) Complex Bromoxide[J]. Chem. J. Chinese Universities, 1994, 15(8): 1204.

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Structure and Spectral Properties of RE³⁺(RE=Eu,Tb,Pr,Sm)in La-Nb(Ta) Complex Bromoxide

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