Magnetic state of FeCl3 investigated by NMR

被引：4

作者：

Kang, Byeongki ^{[1
]}

Kim, Changsoo ^{[1
]}

Jo, Euna ^{[1
]}

Kwon, Sangil ^{[1
]}

Lee, Soonchil ^{[1
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Phys, Taejon 305701, South Korea

来源：

JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2014年 / 360卷

基金：

新加坡国家研究基金会;

关键词：

FeCl3; NMR; Helical magnetization; Spin wave; Magnetic phase transition; ANTIFERROMAGNETIC FECL3;

D O I：

10.1016/j.jmmm.2014.01.051

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The spin state of FeCl3 was measured by Nuclear Magnetic Resonance (NMR) as a function of temperature and magnetic field. The sublattice magnetization obtained from the Fe-57 NMR spectrum fits well with the theoretical prediction for an antiferromagnet with a magnetic anisotropy field of less than 70 mT in the rib-plane. The field dependence of the Fe-57 NMR spectrum shows that a spin rotation plane of helical order starts to align perpendicularly to the external field direction as the field increases from 0 and ends around 4 T with no phase transition. From the spin tilting angle analysis, we obtained the quantitative relation among the exchange coupling constants. 2014 Elsevier By. All rights reserved.

引用

页码：1 / 5

页数：5

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