The influence of Sm doping at A site on the magnetic, electrical properties in La0.67Sr0.33MnO3

被引：10
作者：
Ning, L [1 ]
Xu, SJ
Guo, HY
Tong, W
Zhang, YH
机构：
[1] Suzhou Coll, Dept Phys, Suzhou 234000, Peoples R China
[2] Univ Sci & Technol China, Struct Res Lab, Hefei 230026, Peoples R China
来源：
ACTA PHYSICA SINICA | 2005年 / 54卷 / 02期
关键词：
magnetic structure; transport properties; colossal magnetoresistive effect;
D O I：
10.7498/aps.54.912
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this paper, the M-T curves, ESR, Infrared and Raman spectra, rho-T curves and MR-T curves of La0.6-x Sm-x Sr-0.33 MnO3 ( X = 0.00, 0.10, 0.20, 0.30) are studied. The experimental results indicate that with increasing Sm content, the compound undergoes a transition from long-range ferromagnetic order to the cluster-spin glass state, and further to antiferromagnetic order. The variation in magnetic structure and extra magnetic coupling caused by Sm doping lead to colossal magnetoresistance effect.
引用
收藏
页码：912 / 919
页数：8
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