Memory Effect in SrRu(1-x)O3 (0.01<x<0.07)

被引：1
|
作者：
Sow, Chanchal [1 ]
Samal, D. [1 ]
Bera, A. K.
Yusuf, S. M.
Kumar, P. S. Anil [1 ]
机构：
[1] Indian Inst Sci, Dept Phys, Bangalore 560012, Karnataka, India
来源：
SOLID STATE PHYSICS, VOL 57 | 2013年 / 1512卷
关键词：
Spin-Glass; Memory effect;
D O I：
10.1063/1.4790925
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
SrRuO3 is widely known to be an itinerant ferromagnet with a T-C similar to 160 K. It is well known that glassy materials exhibit time dependent phenomena such as memory effect due to their generic slow dynamics. However, for the first time, we have observed memory effect in SrRu(1-x)O3 (0.01<x<0.07) well below the ferromagnetic ordering temperature. Generally, time dependent phenomena such as aging, memory etc. arise in disordered glassy systems. Thus the observation of memory effect in case of an itinerant ferromagnetic system like SrRuO3 is quite strange. The emergence of such unusual magnetic response is strongly believed to be connected with a cryptic interactions arises in the low temperature. Our effort on neutron diffraction study has been able to trace the cause of such hidden magnetic interaction responsible for bringing glassiness in a ferromagnet.
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收藏
页码：90 / 91
页数：2
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