Study of the Low Temperature Glassy Phase in Gd0.5Sr0.5MnO3 Single Crystals

被引：0
|
作者：
A. A. Wagh
P. S. Anil Kumar
H. L. Bhat
Suja Elizabeth
机构：
[1] Indian Institute of Science,Department of Physics
[2] Centre for Liquid Crystal Research,undefined
来源：
Journal of Superconductivity and Novel Magnetism | 2011年 / 24卷
关键词：
Manganites; Multiferroics;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
We have grown single crystals of Gd0.5Sr0.5MnO3 (GSMO50) using optical float zone method. We report AC susceptibility measurements carried out on these single crystals at various frequencies in the range 42 to 10,000 Hz under the application of small AC magnetic field (∼170 mOe). The frequency dependence of the peak temperature follows a critical slowing down with exponent zν=1.13(4) as seen in the dynamical scaling analysis reported in the present paper. We observe that the glass-like phase in GSMO50 (∼ below 32 K) is very sluggish (spin flipping time τ0=4×10−6 sec).
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页码：665 / 667
页数：2
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