Magnetic phase diagram of CrPS4 and its exchange interaction in contact with NiFe

The magnetic phase diagram of the two-dimensional van der Waals magnet CrPS4 and the exchange bias effect of CrPS4 in contact with NiFe film have been investigated. Based on the magnetic measurements, we figure out the relatively low spin-flop field and spin-flip field for CrPS4, both of the spin tr...

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Bibliographic Details
Published in:Journal of physics. Condensed matter 2020-07, Vol.32 (40)
Main Authors: Ding, Shilei, Peng, Yuxuan, Xue, Mingzhu, Liu, Zhou, Liang, Zhongyu, Yang, Wenyun, Sun, Yunbin, Zhao, Jianjun, Wang, Changsheng, Liu, Shunquan, Han, Jingzhi, Yang, Jinbo
Format: Article
Language:English
Subjects:
exchange bias effect
magnetic phase diagram
spin-flip transition
spin-flop transition
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Summary:The magnetic phase diagram of the two-dimensional van der Waals magnet CrPS4 and the exchange bias effect of CrPS4 in contact with NiFe film have been investigated. Based on the magnetic measurements, we figure out the relatively low spin-flop field and spin-flip field for CrPS4, both of the spin transition phenomena are strongly affected by the temperature. The perpendicular exchange bias effect is studied in CrPS4 single-crystal flake covered with 5 nm NiFe. Meanwhile, the variation of the cooling field has a great influence on the exchange bias field and coercivity, which is mainly attributed to the competition between the Zeeman energy and the exchange coupling at the interface as well as the formation of the multi-domain state.
ISSN:0953-8984
1361-648X
DOI:10.1088/1361-648X/ab9e2d