Cooling field dependence of exchange bias in phase-separated La0.88Sr0.12CoO3

被引：73

作者：

Tang, Yan-kun

Sun, Young ^{[1
]}

Cheng, Zhao-hua

机构：

[1] Chinese Acad Sci, State Key Lab Magnetism, Beijing 100080, Peoples R China

[2] Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Inst Phys, Beijing 100080, Peoples R China

来源：

JOURNAL OF APPLIED PHYSICS | 2006年 / 100卷 / 02期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1063/1.2219698

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report the observation of exchange bias phenomena in the hole-doped perovskite cobaltite La0.88Sr0.12CoO3 in which a spontaneous phase separation occurs. When the sample is cooled in a static magnetic field through a freezing temperature, the magnetization hysteresis loops shift to the negative field. Moreover, the exchange bias strongly depends on the cooling field. These results highlight the important role of a glassy interface between the intrinsic inhomogeneous phases in a phase-separated system. (c) 2006 American Institute of Physics.

引用

页数：3

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