Journal
APPLIED SURFACE SCIENCE
Volume 557, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.apsusc.2021.149871
Keywords
Current-controlled magnetization; Interface; Magnetic inhomogeneity; Interfacial localization; Magnetoresistance
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Funding
- National Research Foundation of Korea [NRF-2013R1A6A3A060443]
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A systematic study on electrically controlled magnetization in tri-layers of ferromagnetic SrRuO3 and antiferromagnetic insulating manganites reveals that interface-driven magnetic inhomogeneity can act as a bridge between current and magnetism, leading to new functionalities in heterostructures.
A systematic study is conducted on an electrically controlled magnetization in tri-layers containing two layers of ferromagnetic (FM) SrRuO3, with antiferromagnetic (AFM) insulating manganites sandwiched in between. Magneto-resistance curves exhibit that a huge weak anti-localization or localization shapes around zero magnetic field and the localization shapes and coercive fields change simultaneously by currents. This results propose that interface-driven magnetic inhomogeneity such as the FM clusters embedded in the AFM matrix, and corresponding localizations play a role as a bridge between the current and magnetism. The results suggest that interfacial magnetism can cause new functions in a heterostructure, leading to an expansion of research subjects of current-controlled magnetism.
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