Publication
Title
Asymmetric modulation on exchange field in a graphene/BiFeO3 heterostructure by external magnetic field
Author
Abstract
Graphene, having all atoms on its surface, is favorable to extend the functions by introducing the spin- orbit coupling and magnetism through proximity effect. Here, we report the tunable interfacial exchange field produced by proximity coupling in graphene/BiFeO3 heterostructures. The exchange field has a notable dependence with external magnetic field, and it is much larger under negative magnetic field than that under positive magnetic field. For negative external magnetic field, interfacial exchange coupling gives rise to evident spin splitting for N not equal 0 Landau levels and a quantum Hall metal state for N = 0 Landau level. Our findings suggest graphene/BiFeO3 heterostructures are promising for spintronics.
Language
English
Source (journal)
Nano letters / American Chemical Society. - Washington
Publication
Washington : 2018
ISSN
1530-6984
Volume/pages
18 :4 (2018) , p. 2435-2441
ISI
000430155900034
Pubmed ID
29533632
Full text (Publisher's DOI)
Full text (publisher's version - intranet only)
UAntwerpen
Faculty/Department
Research group
Publication type
Subject
Affiliation
Publications with a UAntwerp address
External links
Web of Science
Record
Identification
Creation 04.05.2018
Last edited 19.10.2021
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