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Tunable magnetization steps in mixed valent ferromagnet Eu2CoMnO6

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Title
Tunable magnetization steps in mixed valent ferromagnet Eu2CoMnO6
Author(s)
Lee, Nara; Kim, Jong Hyuk; Oh, Dong Gun; Shin, Hyun Jun; Choi, Hwan Young; Sungkyun Choi; Jo, Younjung; Choi, Young Jai
Publication Date
2021-04
Journal
Scientific Reports, v.11, no.1
Publisher
Nature Research
Abstract
© 2021, The Author(s).Magnetic properties can be manipulated to enhance certain functionalities by tuning different material processing parameters. Here, we present the controllable magnetization steps of hysteresis loops in double-perovskite single crystals of Eu2CoMnO6. Ferromagnetic order emerges below TC ≈ 122 K along the crystallographic c axis. The difficulty in altering Co2+ and Mn4+ ions naturally induces additional antiferromagnetic clusters in this system. Annealing the crystals in different gas environments modifies the mixed magnetic state, and results in the retardation (after O2-annealing) and bifurcation (after Ar-annealing) of the magnetization steps of isothermal magnetization. This remarkable variation offers an efficient approach for improving the magnetic properties of double-perovskite oxides.
URI
https://pr.ibs.re.kr/handle/8788114/9748
DOI
10.1038/s41598-021-88950-w
ISSN
2045-2322
Appears in Collections:
Center for Integrated Nanostructure Physics(나노구조물리 연구단) > 1. Journal Papers (저널논문)
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