Journal
APPLIED PHYSICS LETTERS
Volume 113, Issue 14, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.5050546
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Funding
- National Natural Science Foundation of China [51772207, 11434006, 11704278]
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Fe3O4 with high Curie temperature and 100% spin polarization is a potential candidate for practical applications in flexible spintronics. In this work, combined with flexible muscovite substrates, the dynamic strain influenced Verwey transition of Fe3O4 has been studied. The Verwey transition temperature increases (decreases) in the inward (outward) bending heterostructures. From the analyses of Fe L-2,L-3 edge X-ray absorption spectroscopy, the reversible modulation originates from the charge reconstruction effect with the valence variations of Fe ions on the tetrahedral site and octahedral site in different bending states. Meanwhile, the charge reconstruction effect enhances the net magnetic moments of the Fe3O4/muscovite heterostructures in bending states. Published by AIP Publishing.
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