Stripe-type charge ordering in the metallic A-type antiferromagnet Pr0.5Sr0.5MnO3

被引：86
|
作者：
Kajimoto, R [1 ]
Yoshizawa, H
Tomioka, Y
Tokura, Y
机构：
[1] Ochanomizu Univ, Dept Phys, Bunkyo Ku, Tokyo 1128610, Japan
[2] Univ Tokyo, Inst Solid State Phys, Neutron Scattering Lab, Tokai, Ibaraki 3191106, Japan
[3] JRCAT, Tsukuba, Ibaraki 3058562, Japan
[4] Univ Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan
来源：
PHYSICAL REVIEW B | 2002年 / 66卷 / 18期
关键词：
D O I：
10.1103/PhysRevB.66.180402
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We demonstrate that an A-type antiferromagnetic (AFM) state of Pr0.5Sr0.5MnO3 exhibits a charge ordering that governs the transport property. This charge ordering is stripelike, being characterized by a wave vector qsimilar to(0,0,0.3) with very anisotropic correlation parallel and perpendicular to the stripe direction. This charge ordering is specific to the manganites with relatively wide one-electron bandwidth W which often exhibit a metallic A-type AFM state, and should be strictly distinguished from the CE-type checkerboardlike charge ordering commonly observed in manganites with narrower W, such as La1-xCaxMnO3 and Pr1-xCaxMnO3.
引用
收藏
页码：1 / 4
页数：4
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