EPR STUDY OF INTERACTION BETWEEN PARAMAGNETIC SPECIES AND THE FINE PARTICLES OF THE R-BA-CU-O (R = Y,EU,GD) SUPERCONDUCTORS

被引：0
|
作者：
KAISE, M
KONDOH, H
MIZUNO, M
NISHIHARA, C
NOZOYE, H
SHINDO, H
机构：
[1] Basic Research Division, National Chemical Laboratory for Industry, Tsukuba
来源：
PHYSICA C | 1991年 / 185卷
关键词：
D O I：
10.1016/0921-4534(91)91827-Q
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
An approach to the characterization of the high-Tc fine particles was presented with an electron spin resonance (ESR) method on powder mixtures of high-Tc cuprates and paramagnetic species. ESR absorption by Cr(3+) was obtained with a powder mixture of the Cr doped MgO and the ground high-Tc cuprates: R-Ba-Cu-O (R = Y, Eu, Gd). Line broadening of the ESR spectra has been observed at temperature lower than Tc of the bulk oxide which indicates a decrease of Tc of the fine particles.
引用
收藏
页码：1207 / 1208
页数：2
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