Field-induced orbital order transition of Nd0.45Sr0.55MnO3 observed in high-field magnetization and resistivity

被引：1
作者：
Hayashi, T
Miura, N
Noda, K
Kuwahara, H
机构：
[1] Univ Tokyo, Inst Solid State Phys, Kashiwa, Chiba 2778581, Japan
[2] Sophia Univ, Dept Phys, Chiyoda Ku, Tokyo 1028554, Japan
来源：
PHYSICA B | 2001年 / 294卷
关键词：
manganites; orbital order; magnetic field;
D O I：
10.1016/S0921-4526(00)00621-9
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Magnetization and magnetoresistance of Nd0.45Sr0.55MnO3 have been measured in pulsed magnetic fields up to 45 T. Application of high magnetic field causes metamagnetic transitions below the Neel temperature T-N similar to 220 K. Temperature dependence of the resistivity under ferromagnetic state after the transition showed characteristics of a three-dimensional metal. The observed ferromagnetic transition and transport properties in the ferromagnetic state can be attributed to the collapse of planar orbital ordering by magnetic field. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：115 / 118
页数：4
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