期刊
APPLIED PHYSICS LETTERS
卷 104, 期 6, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4864405
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资金
- U.S. National Science Foundation [NSF-1007969, NSF-0846504]
- NNSA's Laboratory Directed Research and Development Program
- ERC [ERC-2009-AfG-247276]
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1007969] Funding Source: National Science Foundation
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [0846504] Funding Source: National Science Foundation
Self-assembled BiFeO3:CoFe2O4 (BFO:CFO) vertically aligned nanocomposite thin films have been fabricated on SrTiO3 (001) substrates using pulsed laser deposition. The strain relaxation mechanism between BFO and CFO with a large lattice mismatch has been studied by X-ray diffraction and transmission electron microscopy. The as-prepared nanocomposite films exhibit enhanced perpendicular magnetic anisotropy as the BFO composition increases. Different anisotropy sources have been investigated, suggesting that spin-flop coupling between antiferromagnetic BFO and ferrimagnetic CFO plays a dominant role in enhancing the uniaxial magnetic anisotropy. (C) 2014 AIP Publishing LLC.
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