ELECTRONIC-STRUCTURES OF ND2CUO4 AND ITS ELECTRON-DOPED CLUSTER SYSTEMS

被引:4
作者
ETO, M
SAITO, R
KAMIMURA, H
机构
[1] Department of Physics, University of Tokyo, Bunkyo-ku, Tokyo
来源
MATERIALS SCIENCE AND ENGINEERING B-SOLID STATE MATERIALS FOR ADVANCED TECHNOLOGY | 1990年 / 6卷 / 01期
关键词
D O I
10.1016/0921-5107(90)90124-T
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
First principles multi-configuration self-consistent field calculations are performed for the electronic states of NdCuO systems, taking a Cu2O7 cluster as a model. We show that, in the undoped system, electrons localized in Cu dx orbitals interact antiferromagnetically with an exchange coupling constant of 0.28 eV and that, in the electron-doped system, a dopant electron is accomodated in the Cu 4s bonding orbital. © 1990.
引用
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页码:L1 / L4
页数:4
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