Magnetic domain structures and anisotropic in-plane transport in layered manganites

被引：11
|
作者：
Tokunaga, Y [1 ]
Tokunaga, M [1 ]
Tamegai, T [1 ]
机构：
[1] Univ Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan
来源：
PHYSICAL REVIEW B | 2005年 / 71卷 / 01期
关键词：
D O I：
10.1103/PhysRevB.71.012408
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The magnetic domain structures of layered manganites (La1-zRz)(1.2)Sr1.8Mn2O7 (R=Nd, z=0.4 and Pr, z=0.6) are studied by utilizing the magneto-optical imaging technique. Below transition fields from paramagnetic insulator to ferromagnetic metal, stripe like domains running perpendicular to the crystal-growth direction are observed. After applying sufficiently large fields for the transition, the domain structures become rather isotropic. Relation between domain structures and anisotropic in-plane transport properties is studied.
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页数：4
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