Magnetic and electronic characterization of quasi-one-dimensional La3RuO7

被引：57

作者：

Khalifah, P ^{[1
]}

Erwin, RW

Lynn, JW

Huang, Q

Batlogg, B

Cava, RJ

机构：

[1] Princeton Univ, Dept Chem, Princeton, NJ 08540 USA

[2] Princeton Univ, Princeton Mat Inst, Princeton, NJ 08540 USA

[3] NIST, Ctr Neutron Res, Gaithersburg, MD 20899 USA

[4] Univ Maryland, Dept Mat & Nucl Engn, College Pk, MD 20742 USA

[5] AT&T Bell Labs, Lucent Technol, Murray Hill, NJ 07974 USA

来源：

PHYSICAL REVIEW B | 1999年 / 60卷 / 13期

关键词：

D O I：

10.1103/PhysRevB.60.9573

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The electronic and magnetic properties of La3RuO7 have been investigated. Its structure consists of corner-sharing RuO6 octahedra arranged in one-dimensional chains with a Ru-O-Ru angle of 145 degrees. The magnetic susceptibility shows Curie-Weiss behavior at 50-400 K with theta = -14 K and an effective moment of 3.94 mu(beta)/Ru atom. At lower temperatures (20-50 K), short-range antiferromagnetic order is observed. Neutron diffraction and magnetic susceptibility data show that long-range antiferromagnetic order exists below 20 K. A spin-flop transition is observed at applied fields greater than 1 T and temperatures below 17 K. Band structure calculations predict anisotropic electronic behavior and show that the ground state should be antiferromagnetic. [S0163-1829(99)05737-9].

引用

页码：9573 / 9578

页数：6

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