DOI: 10.1063/1.1370535. Structural and magnetic properties of GaMnAs layers with high Mn-content grown by migration-enhanced epitaxy on GaAs(100) substrates

Structural and magnetic properties of GaMnAs layers with high Mn-content grown by migration-enhanced epitaxy on GaAs(100) substrates

10.1063/1.1370535

Crossref journal-article

AIP Publishing

Applied Physics Letters (317)

Abstract

Ferromagnetic GaMnAs containing up to 10% Mn has been grown by migration-enhanced epitaxy at a substrate temperature of 150 °C. The lattice constant of hypothetical zinc-blende structure MnAs is determined to be 5.90 Å, which deviates somewhat from previously reported values. This deviation is ascribed to growth-condition-dependent density of point defects. Magnetization measurements showed an onset of ferromagnetic ordering around 75 K for the GaMnAs layer with 10% Mn. This means that the trend of falling Curie temperatures with increasing Mn concentrations above 5.3% is broken.

Bibliography

Sadowski, J., Mathieu, R., Svedlindh, P., DomagaÅa, J. Z., Bak-Misiuk, J., Åwiatek, K., Karlsteen, M., Kanski, J., Ilver, L., Ãsklund, H., & SÃ¶dervall, U. (2001). Structural and magnetic properties of GaMnAs layers with high Mn-content grown by migration-enhanced epitaxy on GaAs(100) substrates. Applied Physics Letters, 78(21), 3271â3273.

Authors 11

J. Sadowski (first)
R. Mathieu (additional)
P. Svedlindh (additional)
J. Z. Domagała (additional)
J. Bak-Misiuk (additional)
K. Światek (additional)
M. Karlsteen (additional)
J. Kanski (additional)
L. Ilver (additional)
H. Åsklund (additional)
U. Södervall (additional)

References 23 Referenced 59

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Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 10:17 a.m.)
Deposited	1 year, 7 months ago (Feb. 3, 2024, 3:09 p.m.)
Indexed	1 month ago (Aug. 2, 2025, 12:33 a.m.)
Issued	24 years, 3 months ago (May 21, 2001)
Published	24 years, 3 months ago (May 21, 2001)
Published Print	24 years, 3 months ago (May 21, 2001)

Funders 0

None

BibTeX

@article{Sadowski_2001, title={Structural and magnetic properties of GaMnAs layers with high Mn-content grown by migration-enhanced epitaxy on GaAs(100) substrates}, volume={78}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.1370535}, DOI={10.1063/1.1370535}, number={21}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Sadowski, J. and Mathieu, R. and Svedlindh, P. and Domagała, J. Z. and Bak-Misiuk, J. and Światek, K. and Karlsteen, M. and Kanski, J. and Ilver, L. and Åsklund, H. and Södervall, U.}, year={2001}, month=may, pages={3271–3273} }

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