Orbital Reconstruction Enhanced Exchange Bias in La(0.6)Sr(0.4)MnO(3)/Orthorhombic YMnO(3) Heterostructures

The exchange bias in ferromagnetic/multiferroic heterostructures is usually considered to originate from interfacial coupling. In this work, an orbital reconstruction enhanced exchange bias was discovered. As La(0.6)Sr(0.4)MnO(3) (LSMO) grown on YMnO(3) (YMO) suffers a tensile strain (a > c), the...

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Autores principales: Zheng, Dongxing, Jin, Chao, Li, Peng, Wang, Liyan, Feng, Liefeng, Mi, Wenbo, Bai, Haili
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2016
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4836304/
https://www.ncbi.nlm.nih.gov/pubmed/27090614
http://dx.doi.org/10.1038/srep24568
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author Zheng, Dongxing
Jin, Chao
Li, Peng
Wang, Liyan
Feng, Liefeng
Mi, Wenbo
Bai, Haili
author_facet Zheng, Dongxing
Jin, Chao
Li, Peng
Wang, Liyan
Feng, Liefeng
Mi, Wenbo
Bai, Haili
author_sort Zheng, Dongxing
collection PubMed
description The exchange bias in ferromagnetic/multiferroic heterostructures is usually considered to originate from interfacial coupling. In this work, an orbital reconstruction enhanced exchange bias was discovered. As La(0.6)Sr(0.4)MnO(3) (LSMO) grown on YMnO(3) (YMO) suffers a tensile strain (a > c), the doubly degenerate e(g) orbital splits into high energy 3z(2) − r(2) and low energy x(2) − y(2) orbitals, which makes electrons occupy the localized x(2) − y(2) orbital and leads to the formation of antiferromagnetic phase in LSMO. The orbital reconstruction induced antiferromagnetic phase enhances the exchange bias in the LSMO/YMO heterostructures, lightening an effective way for electric-field modulated magnetic moments in multiferroic magnetoelectric devices.
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spelling pubmed-48363042016-04-27 Orbital Reconstruction Enhanced Exchange Bias in La(0.6)Sr(0.4)MnO(3)/Orthorhombic YMnO(3) Heterostructures Zheng, Dongxing Jin, Chao Li, Peng Wang, Liyan Feng, Liefeng Mi, Wenbo Bai, Haili Sci Rep Article The exchange bias in ferromagnetic/multiferroic heterostructures is usually considered to originate from interfacial coupling. In this work, an orbital reconstruction enhanced exchange bias was discovered. As La(0.6)Sr(0.4)MnO(3) (LSMO) grown on YMnO(3) (YMO) suffers a tensile strain (a > c), the doubly degenerate e(g) orbital splits into high energy 3z(2) − r(2) and low energy x(2) − y(2) orbitals, which makes electrons occupy the localized x(2) − y(2) orbital and leads to the formation of antiferromagnetic phase in LSMO. The orbital reconstruction induced antiferromagnetic phase enhances the exchange bias in the LSMO/YMO heterostructures, lightening an effective way for electric-field modulated magnetic moments in multiferroic magnetoelectric devices. Nature Publishing Group 2016-04-19 /pmc/articles/PMC4836304/ /pubmed/27090614 http://dx.doi.org/10.1038/srep24568 Text en Copyright © 2016, Macmillan Publishers Limited http://creativecommons.org/licenses/by/4.0/ This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/
spellingShingle Article
Zheng, Dongxing
Jin, Chao
Li, Peng
Wang, Liyan
Feng, Liefeng
Mi, Wenbo
Bai, Haili
Orbital Reconstruction Enhanced Exchange Bias in La(0.6)Sr(0.4)MnO(3)/Orthorhombic YMnO(3) Heterostructures
title Orbital Reconstruction Enhanced Exchange Bias in La(0.6)Sr(0.4)MnO(3)/Orthorhombic YMnO(3) Heterostructures
title_full Orbital Reconstruction Enhanced Exchange Bias in La(0.6)Sr(0.4)MnO(3)/Orthorhombic YMnO(3) Heterostructures
title_fullStr Orbital Reconstruction Enhanced Exchange Bias in La(0.6)Sr(0.4)MnO(3)/Orthorhombic YMnO(3) Heterostructures
title_full_unstemmed Orbital Reconstruction Enhanced Exchange Bias in La(0.6)Sr(0.4)MnO(3)/Orthorhombic YMnO(3) Heterostructures
title_short Orbital Reconstruction Enhanced Exchange Bias in La(0.6)Sr(0.4)MnO(3)/Orthorhombic YMnO(3) Heterostructures
title_sort orbital reconstruction enhanced exchange bias in la(0.6)sr(0.4)mno(3)/orthorhombic ymno(3) heterostructures
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4836304/
https://www.ncbi.nlm.nih.gov/pubmed/27090614
http://dx.doi.org/10.1038/srep24568
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