ESR STUDY ON A FERROMAGNETIC COPPER-OXIDE - LA4BA2CU2O10

被引：2

作者：

MASUDA, H

MIZUNO, F

YAMADA, Y

SUGAWARA, K

HIRABAYASHI, I

SHIOHARA, Y

TANAKA, S

机构：

[1] Internat. Superconductivity Technol. Center, Nagoya

来源：

SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 1991年 / 4卷

关键词：

D O I：

10.1088/0953-2048/4/1S/084

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The electron-spin resonance (ESR) of an insulating copper oxide: La4Ba2Cu2O10 which shows a ferromagnetic transition at around 5 K has been studied. The ESR spectra show a narrowing with decreasing temperature which is characteristic of the ferromagnetic exchange interaction. The g tensor is uniaxial and the principal values are g perpendicular-to = 2.123 and g parallel-to = 2.037. The exchange coupling between dissimilar Cu2+ ions in the unit cell explains the features of the ESR spectra of this material and the Cu2+ d-holes are in the dx2-y2-like orbits in the ground state.

引用

页码：S295 / S297

页数：3