Effect of B-site stibstitution on the critical behavior in La0.7Ca0.3MnO3

被引：1
|
作者：
Liu, XJ [1 ]
Moritomo, Y
Nakamura, A
Tanaka, H
Kawai, T
机构：
[1] Nagoya Univ, Ctr Integrated Res Sci & Engn, Chikusa Ku, Nagoya, Aichi 4648601, Japan
[2] Osaka Univ, Inst Sci & Ind Res, Ibaraki, Osaka 5670047, Japan
来源：
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2002年 / 71卷 / 07期
关键词：
photoinduced effect; doped manganites; critical behavior;
D O I：
10.1143/JPSJ.71.1648
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The effect of B-site substitution on the critical behavior has been investigated in Cr-doped manganites La0.7Ca0.3Mn1-xCrxO3 (x = 0.00, 0.03 and 0.06) by means of the pump-probe method. We have observed that the Cr-doping suppresses the critical behavior of the relaxation time T. This Suppression has been interpreted in terms of a reduced correlation length of the photoinduced charge-ordering fluctuations due to the B-site impurities.
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收藏
页码：1648 / 1650
页数：3
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