Field-induced staggered magnetic order in La2NiO4.133

被引：52

作者：

Tranquada, JM ^{[1
]}

Wochner, P ^{[1
]}

Moodenbaugh, AR ^{[1
]}

Buttrey, DJ ^{[1
]}

机构：

[1] UNIV DELAWARE, DEPT CHEM ENGN, NEWARK, DE 19716 USA

来源：

PHYSICAL REVIEW B | 1997年 / 55卷 / 10期

关键词：

D O I：

10.1103/PhysRevB.55.R6113

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

At low temperature the holes doped into the NiO2 planes of La2NiO4.133 by the excess oxygen collect in diagonal stripes that separate narrow antiferromagnetic domains. The magnetic order drops abruptly to zero at T-m=110.5 K, but charge order remains with a period of 3/2a. We show that application of a magnetic field in the regime T>T-m induces staggered magnetic order of period 3a due to the net magnetic moment of the high-temperature bond-centered stripes, together with the odd number of Ni spins across an antiferromagnetic domain.

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收藏

页码：R6113 / R6116

页数：4

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