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Title: Ferromagnetism and matrix-dependent charge transfer in strained LaMnO3-LaCoO3 superlattices
Authors: Wu, Liang
Chen, Mingfeng
Li, Changjian
Zhou, Jun
Shen, Lei
Wang, Yujia
Zhong, Zhicheng
Feng, Ming
Zhang, Yujun
Han, Kun
Venkatesan, T. Venky
Pennycook, Stephen J.
Yu, Pu
Ma, Jing
Wang, Renshaw Xiao
Nan, Ce-Wen
Keywords: Science::Physics
Issue Date: 2018
Source: Wu, L., Chen, M., Li, C., Zhou, J., Shen, L., Wang, Y., . . . Nan, C.-W. (2018). Ferromagnetism and matrix-dependent charge transfer in strained LaMnO3-LaCoO3 superlattices. Materials Research Letters, 6(9), 501-507. doi:10.1080/21663831.2018.1482840
Series/Report no.: Materials Research Letters
Abstract: Interfacial magnetism at transition-metal oxide interfaces is of tremendous interest. The emergence of ferromagnetism and a matrix-dependent charge transfer between Co and Mn ions in the interdiffusion region of compressively strained LaMnO3–LaCoO3 superlattices (SLs) were studied. The SLs exhibit considerable ferromagnetism, which is negligible in both constituents. This is explained by the matrix-dependent charge transfer between Co and Mn ions. That is, the valence state of diffused Co ions into LaMnO3 shifts from 3+ to 2+ by adopting one electron from Mn3+, inducing the same amount of Mn4+, while the Mn ions that diffuses into LaCoO3 remains Mn3+.
DOI: 10.1080/21663831.2018.1482840
Rights: © 2018 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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