Charge ordering in rare-earth manganese oxides

被引：0
|
作者：
Min, BI [1 ]
Lee, JD [1 ]
Park, JH [1 ]
机构：
[1] Pohang Univ Sci & Technol, Dept Phys, Pohang 790784, South Korea
来源：
PHYSICA B-CONDENSED MATTER | 1999年 / 259-61卷
关键词：
charge ordering; small polaron; rare-earth manganese oxides;
D O I：
10.1016/S0921-4526(98)00897-7
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Based on the interacting small polaron model, we have investigated charge ordering (CO) phenomena observed in half-doped manganites R(1/2)A(1/2)MnO(3). First, we have examined the charge gap formation in the single particle electronic structure in the CO phase. Second, we have studied the renormalization of the sound velocity around T(CO), and compared the origin of the renormalization in the CO phase with that in the low doping metallic phase. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：799 / 800
页数：2
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