Growth and magnetic properties of ultrathin single crystal Fe3O4 film on InAs(100)

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

doi:10.1002/pssa.201084196

Growth and magnetic properties of ultrathin single crystal Fe3O4 film on InAs(100)

Zhaocong Huang, Ya Zhai^*, Yongbing Xu, Jing Wu, Sarah M. Thompson, S. N. Holmes

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

Different thickness of ultrathin films of magnetite (Fe3O4) 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 degrees C in an oxygen partial pressure of 5 x 10(-5) mbar. Reflection high-energy electron-diffraction patterns show that the epitaxial Fe3O4 films have been rotated by 458 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. (C) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

Original language	English
Pages (from-to)	2377-2379
Number of pages	3
Journal	Physica status solidi a-Applications and materials science
Volume	208
Issue number	10
DOIs	https://doi.org/10.1002/pssa.201084196
Publication status	Published - Oct 2011

Keywords

uniaxial anisotropy
MOLECULAR-BEAM EPITAXY
epitaxial growth
FE FILMS
ANISOTROPY
magnetite
magnetic properties

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title = "Growth and magnetic properties of ultrathin single crystal Fe3O4 film on InAs(100)",

abstract = "Different thickness of ultrathin films of magnetite (Fe3O4) 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 degrees C in an oxygen partial pressure of 5 x 10(-5) mbar. Reflection high-energy electron-diffraction patterns show that the epitaxial Fe3O4 films have been rotated by 458 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. (C) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim",

keywords = "uniaxial anisotropy, MOLECULAR-BEAM EPITAXY, epitaxial growth, FE FILMS, ANISOTROPY, magnetite, magnetic properties",

author = "Zhaocong Huang and Ya Zhai and Yongbing Xu and Jing Wu and Thompson, {Sarah M.} and Holmes, {S. N.}",

year = "2011",

month = oct,

doi = "10.1002/pssa.201084196",

language = "English",

volume = "208",

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AU - Huang, Zhaocong

AU - Zhai, Ya

AU - Xu, Yongbing

AU - Wu, Jing

AU - Thompson, Sarah M.

AU - Holmes, S. N.

PY - 2011/10

Y1 - 2011/10

N2 - Different thickness of ultrathin films of magnetite (Fe3O4) 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 degrees C in an oxygen partial pressure of 5 x 10(-5) mbar. Reflection high-energy electron-diffraction patterns show that the epitaxial Fe3O4 films have been rotated by 458 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. (C) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

AB - Different thickness of ultrathin films of magnetite (Fe3O4) 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 degrees C in an oxygen partial pressure of 5 x 10(-5) mbar. Reflection high-energy electron-diffraction patterns show that the epitaxial Fe3O4 films have been rotated by 458 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. (C) 2011 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

KW - uniaxial anisotropy

KW - MOLECULAR-BEAM EPITAXY

KW - epitaxial growth

KW - FE FILMS

KW - ANISOTROPY

KW - magnetite

KW - magnetic properties

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U2 - 10.1002/pssa.201084196

DO - 10.1002/pssa.201084196

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SN - 1862-6300

VL - 208

SP - 2377

EP - 2379

JO - Physica status solidi a-Applications and materials science

JF - Physica status solidi a-Applications and materials science

IS - 10

ER -

Growth and magnetic properties of ultrathin single crystal Fe3O4 film on InAs(100)

Abstract

Keywords

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