Relation between the magnetization and the electrical properties of alloy GaSb-MnSb films

The influence of the charge carrier concentration on the magnetic properties of GaSb-MnSb alloys is studied. The ferromagnetism of GaSb-MnSb films is caused by the presence of MnSb granules and manifests itself in both magnetometric measurements and the presence of an anisotropic magnetoresistance a...

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Bibliographic Details
Published in:Journal of experimental and theoretical physics 2015-06, Vol.120 (6), p.1012-1018
Main Authors: Koplak, O. V., Polyakov, A. A., Davydov, A. B., Morgunov, R. B., Talantsev, A. D., Kochura, A. V., Fedorchenko, I. V., Novodvorskii, O. A., Parshina, L. S., Khramova, O. D., Shorokhova, A. V., Aronzon, B. A.
Format: Article
Language:English
Subjects:
Alloys
Analysis
ANISOTROPY
ANTIFERROELECTRIC MATERIALS
ANTIFERROMAGNETISM
CHARGE CARRIERS
Classical and Quantum Gravitation
CONCENTRATION RATIO
CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY
Disorder
Electric properties
Elementary Particles
FERROMAGNETIC MATERIALS
FERROMAGNETISM
GALLIUM ANTIMONIDES
HALL EFFECT
HOLES
MAGNETIC PROPERTIES
MAGNETIZATION
MAGNETORESISTANCE
MANGANESE COMPOUNDS
MANGANESE IONS
MATRIX MATERIALS
Order
Particle and Nuclear Physics
Phase Transition in Condensed System
Physics
Physics and Astronomy
Quantum Field Theory
Relativity Theory
Solid State Physics
Specialty metals industry
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Summary:The influence of the charge carrier concentration on the magnetic properties of GaSb-MnSb alloys is studied. The ferromagnetism of GaSb-MnSb films is caused by the presence of MnSb granules and manifests itself in both magnetometric measurements and the presence of an anisotropic magnetoresistance and the anomalous Hall effect. Electric conduction is executed by charge carriers (holes) in a GaSb matrix. The magnetization of clusters depends on stoichiometry and the concentration of Mn 2+ and Mn 3+ ions, which is specified by the film growth conditions. At high film growth temperatures, ferromagnetic clusters containing Mn 2+ ions mainly form. At low growth temperatures, an antiferromagnetic phase containing Mn 3+ ions forms.
ISSN:1063-7761
1090-6509
DOI:10.1134/S1063776115050131