FAR-INFRARED ESR STUDY OF CUPRATE COMPOUNDS

被引：9

作者：

ADACHI, N

HAMAMOTO, T

KIDO, G

HASE, M

SASAGO, Y

UCHINOKURA, K

NORO, S

YAMADAYA, T

机构：

[1] TOHOKU UNIV,INST MAT RES,SENDAI,MIYAGI 980,JAPAN

[2] UNIV TOKYO,DEPT APPL PHYS,TOKYO 113,JAPAN

[3] YOKOHAMA CITY UNIV,DEPT PHYS SCI & LITERATURE,YOKOHAMA 236,JAPAN

来源：

PHYSICA B | 1994年 / 201卷

关键词：

D O I：

10.1016/0921-4526(94)91077-4

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Electron spin resonance (ESR) was investigated on the spin-Peierls system CuGeO3 and antiferromagnetic Ba2Cu3O4Cl2 at X-band and far-infrared regions (FIR). The g-values of CuGeO3 were determined to be 2.17, 2.26 and 2.11 for Hparallel-toa, Hparallel-tob and Hparallel-toc-axes, respectively. The temperature dependence of FIR and X-band ESR spectra of CuGeO3 clarified the difference of character among uniform, dimerize and high-field magnetic phases. In the Ba2Cu3O4Cl2 system, the resonance field for Hparallel-toc drastically changes around 30 K, and antiferromagnetic resonance (AFMR) was observed at 5 K.

引用

页码：174 / 177

页数：4

共 9 条

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