Growth and magnetic properties of ultrathin single crystal Fe 3 O 4  film on InAs(100) | Zendy

Huang Zhaocong | Zendy; Zhai Ya | Zendy; Xu Yongbing | Zendy; Wu Jing | Zendy; Thompson Sarah M. | Zendy; Holmes S. N. | Zendy

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Growth and magnetic properties of ultrathin single crystal Fe 3 O 4 film on InAs(100)

Author(s) -

Huang Zhaocong,

Zhai Ya,

Xu Yongbing,

Wu Jing,

Thompson Sarah M.,

Holmes S. N.

Publication year - 2011

Publication title -

physica status solidi (a)

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.532

H-Index - 104

eISSN - 1862-6319

pISSN - 1862-6300

DOI - 10.1002/pssa.201084196

Subject(s) - materials science , epitaxy , condensed matter physics , magnetic anisotropy , electron diffraction , annealing (glass) , film plane , kerr effect , semiconductor , anisotropy , band gap , hysteresis , diffraction , single crystal , magnetization , crystallography , optics , magnetic field , optoelectronics , nanotechnology , chemistry , layer (electronics) , composite material , physics , quantum mechanics , nonlinear system

Different thickness of ultrathin films of magnetite (Fe 3 O 4 ) have been grown epitaxially on zinc‐blende narrow band‐gap semiconductor InAs(100) surfaces by in situ post‐growth annealing of ultrathin epitaxial Fe films at 300 °C in an oxygen partial pressure of 5 × 10 −5 mbar. Reflection high‐energy electron‐diffraction patterns show that the epitaxial Fe 3 O 4 films have been rotated by 45° in‐plane to match the InAs substrates. The magnetic hysteresis loops obtained by magneto‐optic Kerr effect (MOKE) shows a in‐plane uniaxial magnetic anisotropy for the ultrathin films, and the global easy axis is rotated from the uniaxial easy [011] direction to the cubic easy [010] direction when the thickness of the film increases.

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