Ferromagnetism and matrix-dependent charge transfer in strained LaMnO3–LaCoO3 superlattices

Liang Wu; Mingfeng Chen; Changjian Li; Jun Zhou; Lei Shen; Yujia Wang; Zhicheng Zhong; Ming Feng; Yujun Zhang; Kun Han; T. Venky Venkatesan; Stephen J. Pennycook; Pu Yu; Jing Ma; X. Renshaw Wang; Ce-Wen Nan

doi:10.1080/21663831.2018.1482840

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Ferromagnetism and matrix-dependent charge transfer in strained LaMnO3–LaCoO3 superlattices

Original Report | 更新时间：2026-08-19

- Ferromagnetism and matrix-dependent charge transfer in strained LaMnO3–LaCoO3 superlattices
- Materials Research Letters Vol. 6, Issue 9, Pages: 501-507(2018)
- 作者机构：
  
  1. State Key Laboratory of New Ceramics and Fine Processing School of Materials Science and Engineering Tsinghua University
  2. Department of Materials Science and Engineering National University of Singapore
  3. Department of Physics National University of Singapore
  4. Department of Mechanical Engineering National University of Singapore
  5. Department of Physics Tsinghua University
  6. Key Laboratory of Magnetic Materials and Devices Ningbo Institute of Materials Technology and Engineering Chinese Academy of Sciences
  7. Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education Jilin Normal University
  8. School of Physical and Mathematical Sciences & School of Electrical and Electronic Engineering Nanyang Technological University
  9. NUSNNI-NanoCore National University of Singapore
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2018.1482840
  CLC：
- Online First：26 June 2018，
  
  Published：2018
- 稿件说明：
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Liang Wu, Mingfeng Chen, Changjian Li, et al. Ferromagnetism and matrix-dependent charge transfer in strained LaMnO3–LaCoO3 superlattices[J]. Materials Research Letters, 2018, 6(9): 501-507.
DOI：

Liang Wu, Mingfeng Chen, Changjian Li, et al. Ferromagnetism and matrix-dependent charge transfer in strained LaMnO3–LaCoO3 superlattices[J]. Materials Research Letters, 2018, 6(9): 501-507. DOI： 10.1080/21663831.2018.1482840.

摘要

Abstract

BSTRACTInterfacial 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 LaMnO

–LaCoO

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 LaMnO

shifts from 3+ to 2+ by adopting one electron from Mn

inducing the same amount of Mn

while the Mn ions that diffuses into LaCoO

remains Mn

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