Tunable magnetization steps in mixed valent ferromagnet Eu2CoMnO6

Tunable magnetization steps in mixed valent ferromagnet Eu2CoMnO6

Abstract 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 T C ≈ ...

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Main Authors: Nara Lee, Jong Hyuk Kim, Dong Gun Oh, Hyun Jun Shin, Hwan Young Choi, Sungkyun Choi, Younjung Jo, Young Jai Choi
Format: Article
Language:English
Published: Nature Publishing Group 2021-04-01
Series:Scientific Reports
Online Access:https://doi.org/10.1038/s41598-021-88950-w
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spelling doaj-f8391073d93848f2b69ae2cdbeb6b0612021-05-02T11:34:17ZengNature Publishing GroupScientific Reports2045-23222021-04-011111910.1038/s41598-021-88950-wTunable magnetization steps in mixed valent ferromagnet Eu2CoMnO6Nara Lee0Jong Hyuk Kim1Dong Gun Oh2Hyun Jun Shin3Hwan Young Choi4Sungkyun Choi5Younjung Jo6Young Jai Choi7Department of Physics, Yonsei UniversityDepartment of Physics, Yonsei UniversityDepartment of Physics, Yonsei UniversityDepartment of Physics, Yonsei UniversityDepartment of Physics, Yonsei UniversityCenter for Integrated Nanostructure Physics, Institute for Basic Science (IBS)Department of Physics, Kyungpook National UniversityDepartment of Physics, Yonsei UniversityAbstract 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 T C ≈ 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.https://doi.org/10.1038/s41598-021-88950-w
collection DOAJ
language English
format Article
sources DOAJ
author Nara Lee
Jong Hyuk Kim
Dong Gun Oh
Hyun Jun Shin
Hwan Young Choi
Sungkyun Choi
Younjung Jo
Young Jai Choi
spellingShingle Nara Lee
Jong Hyuk Kim
Dong Gun Oh
Hyun Jun Shin
Hwan Young Choi
Sungkyun Choi
Younjung Jo
Young Jai Choi
Tunable magnetization steps in mixed valent ferromagnet Eu2CoMnO6
Scientific Reports
author_facet Nara Lee
Jong Hyuk Kim
Dong Gun Oh
Hyun Jun Shin
Hwan Young Choi
Sungkyun Choi
Younjung Jo
Young Jai Choi
author_sort Nara Lee
title Tunable magnetization steps in mixed valent ferromagnet Eu2CoMnO6
title_short Tunable magnetization steps in mixed valent ferromagnet Eu2CoMnO6
title_full Tunable magnetization steps in mixed valent ferromagnet Eu2CoMnO6
title_fullStr Tunable magnetization steps in mixed valent ferromagnet Eu2CoMnO6
title_full_unstemmed Tunable magnetization steps in mixed valent ferromagnet Eu2CoMnO6
title_sort tunable magnetization steps in mixed valent ferromagnet eu2comno6
publisher Nature Publishing Group
series Scientific Reports
issn 2045-2322
publishDate 2021-04-01
description Abstract 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 T C ≈ 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.
url https://doi.org/10.1038/s41598-021-88950-w
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