Controlling Magnetic Properties at BiFe1− xMnxO3/La2/3Ca1/3MnO3 Interfaces by Tuning the Spatial Distribution of Interfacial Electronic States

Mingjing Chen, Xingkun Ning*, Xiaobing Hu, Jirong Sun, Nian Fu, Yanxi Li, Jianglong Wang, Shufang Wang, Guangsheng Fu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

One major challenge in engineering the magnetism of oxide heterostructures is controlling orbital reconstruction by tuning the charge transfer effect. This paper investigates the forward and backward charge transfer effect and the induced magnetic properties of BiFe1− xMnxO3/La2/3Ca1/3MnO3 heterostructures. Interfacial ferromagnetism is found to be qualitatively tunable by tuning the spatial distribution of interfacial electronic states. The subtle balance of magnetic coupling between FeOMn and MnOMn changed as the electronic structures are modified by charge transfer. The ions' valence is strongly correlated with the interfacial magnetic properties, extending the concept of the charge degrees of freedom affecting the magnetic coupling properties.

Original languageEnglish (US)
Article number1700252
JournalAdvanced Materials Interfaces
Volume4
Issue number21
DOIs
StatePublished - Nov 9 2017

Keywords

  • EELS
  • charge transfer
  • interfacial electronic states
  • magnetic coupling

ASJC Scopus subject areas

  • Mechanics of Materials
  • Mechanical Engineering

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