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Tenability of Magnetism: An Interplay of Magnetic Anisotropy and Magnetoelasticity

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Abstract
We present theoretical study on spin reorientation transition (SRT). A phenomenological model is provided, which treats magnetic energy as sum of magnetoelasticity, magnetocrystalline anisotropy, and demagnetization contributions. We show that critical strain exists by analytically solving the phenomenological model, as a consequence of an interplay between aforementioned contributions. For more quantitative understanding, numerical estimate is performed for thin FePt and Fe60Co40 films, where experimentally accessible critical strain is 2%. Further, this feasible strain is due to the large magnetoelastic coefficient (b(1)) and the optimal saturation magnetization, which is not achievable in thin Fe film.
Author(s)
쿠라트 울라인홍순철임성현
Issued Date
2021
Type
Article
Keyword
spin reorientation transitionmagnetic anisotropymagnetoelasticitythickness effectFePtFe60Co40
DOI
10.4283/JMAG.2021.26.2.162
URI
https://oak.ulsan.ac.kr/handle/2021.oak/9515
https://ulsan-primo.hosted.exlibrisgroup.com/primo-explore/fulldisplay?docid=TN_cdi_nrf_kci_oai_kci_go_kr_ARTI_9827473&context=PC&vid=ULSAN&lang=ko_KR&search_scope=default_scope&adaptor=primo_central_multiple_fe&tab=default_tab&query=any,contains,Tenability%20of%20Magnetism:%20An%20Interplay%20of%20Magnetic%20Anisotropy%20and%20Magnetoelasticity&offset=0&pcAvailability=true
Publisher
JOURNAL OF MAGNETICS
Location
대한민국
Language
영어
ISSN
1226-1750
Citation Volume
26
Citation Number
2
Citation Start Page
162
Citation End Page
165
Appears in Collections:
Natural Science > Physics
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