温度和磁场诱导的 Fe3Si/FeSi2 超晶格磁结构变化

IF 2.3 4区物理与天体物理 Q3 PHYSICS, APPLIED

Applied Physics Express Pub Date : 2024-03-22 DOI:10.35848/1882-0786/ad325f

Takayasu Hanashima, Jun-ichi Suzuki, Kazuhisa Kakurai, Noboru Miyata, Ken-ichiro Sakai, Hiroyuki Deguchi, Yoshiaki Hara, Satoshi Takeichi and Tsuyoshi Yoshitake

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引用次数: 0

摘要

由于电子状态的控制，带有半导体间隔物的人工晶格预计会表现出磁性结构的变化。我们使用磁化和偏振中子反射率测量方法研究了带有非磁性和半导体 FeSi2 间隔层的 [Fe3Si/FeSi2]20 超晶格的面内磁结构的温度（T）和磁场（Hext）依赖性。当 Hext = 5 mT 时，在 4 至 298 K 范围内观察到近乎共线的反铁磁（AF）结构。当 Hext = 1 T 时，在低 T 时观察到场诱导的扇形非共线 AF 结构，显示出沿 Hext 的铁磁成分和横向 AF 成分。

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Temperature- and magnetic field-induced magnetic structural changes in the Fe3Si/FeSi2 superlattice

Artificial lattices with semiconductor spacers are expected to exhibit changes in their magnetic structure owing to the control of their electronic states. The temperature (T) and magnetic-field (Hext) dependence of the in-plane magnetic structure of an [Fe3Si/FeSi2]20 superlattice with a nonmagnetic and semiconducting FeSi2 spacer layer is investigated using magnetization and polarized neutron reflectivity measurements. When Hext = 5 mT, nearly collinear antiferromagnetic (AF) structures are observed from 4 to 298 K. When Hext = 1 T, field-induced fan-like, noncollinear AF structures showing ferromagnetic components along Hext and transverse AF components are observed at low T.

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来源期刊

Applied Physics Express 物理-物理：应用

CiteScore

4.80

自引率

8.70%

发文量

310

审稿时长

1.2 months

期刊介绍： Applied Physics Express (APEX) is a letters journal devoted solely to rapid dissemination of up-to-date and concise reports on new findings in applied physics. The motto of APEX is high scientific quality and prompt publication. APEX is a sister journal of the Japanese Journal of Applied Physics (JJAP) and is published by IOP Publishing Ltd on behalf of the Japan Society of Applied Physics (JSAP).