STUDY ON THE RAMAN SPECTRUM OF Ce-DOPED Y-Ba-Cu-O SYSTEM

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STUDY ON THE RAMAN SPECTRUM OF Ce-DOPED Y-Ba-Cu-O SYSTEM

Citation:

XU CUN-YI, SHI LEI, ZUO JIAN, PANG WEN-HUA, ZHANG YU-HENG

Acta Phys. Sin., 1996, 45(5): 893-896.

Abstract
The phase formation of the samples with the norminal composition (Y1-xCex)Ba2Cu3O7-δ(x = 0,0.05,0.1, 0.3, 0.55,1.0)has been studied by Raman spectroscopy. It is found that the impurity phases of BaCeO3 and BaCuO2 have been formed with Ce doping, besides the orthorhombic Y-123 phase. The results suggest that Ce element may not substitute for Y element to form a Ce-123 phase. Moreover, Ce element formed an impurity phase BaCeO3 with Ba.
Authors and contacts
XU CUN-YI,

SHI LEI,

ZUO JIAN,

PANG WEN-HUA,

ZHANG YU-HENG

1.
中国科学技术大学结构分析开放研究实验室,合肥230026
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