Electron doping effects in conducting Sr2FeMoO6

被引：92

作者：

Moritomo, Y ^{[1
]}

Xu, S

Akimoto, T

Machida, A

Hamada, N

Ohoyama, K

Nishibori, E

Takata, M

Sakata, M

机构：

[1] Nagoya Univ, CIRSE, Nagoya, Aichi 4648601, Japan

[2] Nagoya Univ, Dept Crystalline Mat Sci, Nagoya, Aichi 4648603, Japan

[3] Tokyo Univ Sci, Fac Sci & Technol, Chiba 2788510, Japan

[4] Tohoku Univ, Inst Mat Res, Sendai, Miyagi 9808577, Japan

[5] Nagoya Univ, Dept Appl Phys, Nagoya, Aichi 4648603, Japan

来源：

PHYSICAL REVIEW B | 2000年 / 62卷 / 21期

关键词：

D O I：

10.1103/PhysRevB.62.14224

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Effects of the electron doping on the magnetic and electronic properties have been investigated in the conducting double perovskite Sr2FeMoO6. Judging from the enhanced moment mu Mo at the Mo site, the doped electrons are considered to occupy mainly the down-spin Mo4d band. Filling dependence of the saturation magnetization M-s, the spin-wave stiffness coefficient D-s and the gamma coefficient are discussed on the basis of a LDA + U band calculation. We further discuss possible origins for the magnetism.

引用

页码：14224 / 14228

页数：5

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