DOI: 10.1063/1.103826. Epitaxial ferromagnetic τ-MnAl films on GaAs

Epitaxial ferromagnetic τ-MnAl films on GaAs

10.1063/1.103826

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

We report the growth of epitaxial τ-MnAl ferromagnetic films on GaAs substrates by molecular beam epitaxy (MBE). Reflection high-energy electron diffraction and x-ray diffraction show that the τ-phase films grow with the c axis of the tetragonal unit cell normal to the {100}GaAs substrate surface. In the bulk, τ-MnAl is a metastable ferromagnetic phase with uniaxial magnetocrystalline anisotropy. The large hysteresis observed in the Hall resistance versus applied magnetic field suggests that the easy magnetization direction is indeed parallel to the c axis in the MBE-grown films. The growth of these ferromagnetic films with perpendicular magnetization on compound semiconductor substrates creates the possibility of novel devices that combine magnetic memory and magneto-optic functions with semiconductor electronics and photonics.

Authors 7

T. Sands (first)
J. P. Harbison (additional)
M. L. Leadbeater (additional)
S. J. Allen (additional)
G. W. Hull (additional)
R. Ramesh (additional)
V. G. Keramidas (additional)

References 10 Referenced 111

10.1007/BF00617018 / Appl. Phys. A (1989)
{'key': '2024020301455890400_r2'}
10.1143/JPSJ.13.1444 / J. Phys. Soc. Japan (1958)
10.1063/1.1984610 / J. Appl. Phys. (1960)
10.1107/S0365110X63001936 / Acta Crystallogr. (1963)
{'key': '2024020301455890400_r6', 'first-page': '98', 'volume': '5', 'year': '1990', 'journal-title': 'Mater. Sci. Rep.'} / Mater. Sci. Rep. (1990)
10.1063/1.338445 / J. Appl. Phys. (1987)
{'key': '2024020301455890400_r8'}
10.1063/1.99804 / Appl. Phys. Lett. (1988)
10.1063/1.340200 / J. Appl. Phys. (1988)

Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 9:05 a.m.)
Deposited	1 year, 6 months ago (Feb. 2, 2024, 8:46 p.m.)
Indexed	1 year, 1 month ago (July 5, 2024, 3:20 p.m.)
Issued	34 years, 8 months ago (Dec. 10, 1990)
Published	34 years, 8 months ago (Dec. 10, 1990)
Published Print	34 years, 8 months ago (Dec. 10, 1990)

Funders 0

None

BibTeX

@article{Sands_1990, title={Epitaxial ferromagnetic τ-MnAl films on GaAs}, volume={57}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.103826}, DOI={10.1063/1.103826}, number={24}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Sands, T. and Harbison, J. P. and Leadbeater, M. L. and Allen, S. J. and Hull, G. W. and Ramesh, R. and Keramidas, V. G.}, year={1990}, month=dec, pages={2609–2611} }

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