The evidence of the glassy behavior in the layered cobaltites

被引：26

作者：

Ang, R. ^{[1
,2
]}

Sun, Y. P. ^{[1
,2
]}

Luo, X. ^{[1
,2
]}

Hao, C. Y. ^{[1
,2
]}

Zhu, X. B. ^{[1
,2
]}

Song, W. H. ^{[1
,2
]}

机构：

[1] Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Sci, Hefei 230031, Peoples R China

[2] Chinese Acad Sci, Hefei High Magnet Field Lab, Hefei 230031, Peoples R China

来源：

APPLIED PHYSICS LETTERS | 2008年 / 92卷 / 16期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1063/1.2913013

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

In this letter, we demonstrate that the origin of the glassy behavior in the phase-separated layered cobaltites cannot be simply ascribed to intercluster interactions as the phase-separated manganites can. Instead, our result indicates that both the intercluster interactions and a spin glass phase contribute to the glassy behaviors. Thus, this study distinguishes the picture of phase separation between cobaltites and manganites. We also observe training effect of the exchange bias, which can be interpreted by a spin configurational relaxation model. (C) 2008 American Institute of Physics.

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页数：3

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