Evidence of a New Current-Induced Magnetoelectric Effect in a Toroidal Magnetic Ordered State of UNi4B

被引：52

作者：

Saito, Hiraku ^{[1
]}

Uenishi, Kenta ^{[1
]}

Miura, Naoyuki ^{[1
]}

Tabata, Chihiro ^{[1
,2
]}

Hidaka, Hiroyuki ^{[1
]}

Yanagisawa, Tatsuya ^{[1
]}

Amitsuka, Hiroshi ^{[1
]}

机构：

[1] Hokkaido Univ, Grad Sch Sci, Sapporo, Hokkaido 0600810, Japan

[2] High Energy Accelerator Res Org, Inst Mat Struct Sci, Condensed Matter Res Ctr & Photon Factory, Tsukuba, Ibaraki 3050801, Japan

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2018年 / 87卷 / 03期

关键词：

PHASE-TRANSITION; ANTIFERROMAGNET; TEMPERATURE;

D O I：

10.7566/JPSJ.87.033702

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Magnetization measurements under direct electric current were performed in a toroidal magnetic ordered state of UNi4B to test a recent theoretical prediction of current-induced magnetization in a metallic system lacking local-inversion symmetry. We found that electric current parallel to [2110] and [0001] in the hexagonal 4-index notation induces a uniform magnetization along the [0110] direction. The observed behavior of the induced magnetization is essentially consistent with the theoretical prediction; however, it also shows an inconsistency suggesting that the antiferromagnetic state of UNi4B could not be simply regarded as a uniform toroidal order in the ideal honeycomb layered structure.

引用

页数：5

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