Electronic structure of the layered manganite LaSr2Mn2O7

被引：29

作者：

de Boer, PK ^{[1
]}

de Groot, RA ^{[1
]}

机构：

[1] Catholic Univ Nijmegen, Mat Res Inst, NL-6525 ED Nijmegen, Netherlands

来源：

PHYSICAL REVIEW B | 1999年 / 60卷 / 15期

关键词：

D O I：

10.1103/PhysRevB.60.10758

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Ab initio electronic structure calculations, based on density-functional theory within the generalized gradient approximation, on LaSr2Mn2O7 are reported. The bulk electronic structure shows a gap in the minority-spin channel, while the Fermi energy lies at the bottom of the minority conduction band. At the surface of LaSr2Mn2O7, the magnetic moment per formula unit and the spin polarization at the Fermi energy are lowered with respect to the bulk values. [S0163-1829(99)08139-4].

引用

页码：10758 / 10762

页数：5

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