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Out-of-plane Magnetic Anisotropy in Cleaved and Uncleaved CoS2

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Title
Out-of-plane Magnetic Anisotropy in Cleaved and Uncleaved CoS2
Author(s)
Omran, Mariam; Choi, Joonyoung; Jo, Younjung; Mi Kyung Kim; Changyoung Kim
Publication Date
2022-02
Journal
New Physics: Sae Mulli, v.72, no.2, pp.96 - 99
Publisher
Korean Physical Society
Abstract
Magnetic anisotropy is an important phenomenon driven by a strong electron correlation. It is defined as the magnetization tendency of magnetic material in a particular crystallographic direction. In this paper, we investigated the magnetic anisotropy of CoS2 single crystal. Here, torque magnetometry was used to determine the magnetocrystalline anisotropy of the crystal. The angle dependence of torque τ (Θ) for CoS2 was measured at several temperatures above and below the ferromagnetic order transition Tc. To verify the effect of surface morphology on magnetic properties, we compared the τ (Θ) of uncleaved and cleaved pure CoS2. Results show that two-fold symmetry was equally dominant in both. Furthermore, we compared higher orders of magnetic anisotropy to track the intrinsic and shape anisotropies. All amplitudes showed the same behavior for cleaved and uncleaved samples, but the higher orders were more dominatant in the cleaved sample.
URI
https://pr.ibs.re.kr/handle/8788114/12053
DOI
10.3938/NPSM.72.96
ISSN
0374-4914
Appears in Collections:
Center for Correlated Electron Systems(강상관계 물질 연구단) > 1. Journal Papers (저널논문)
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