Magnetic and Structural Studies of GeMnSnTe Epitaxial Layers

• Authors: A. Grochot , W. Knoff , B. Taliashvili , W. Wołkanowicz , R. Minikayev , A. Pieniążek , E. Łusakowska , M. Sawicki , W. Jantsch , T. Story , H. Przybylińska
• Languages of publication: EN

Abstracts

EN

MBE grown Ge_{1-x-y}Mn_xSn_yTe layers with Mn content ranging from 10 to 30% and Sn content ranging from 2 to 5% have been characterized with X-ray diffraction, energy-dispersive X-Ray spectroscopy, atomic force microscopy, SQUID magnetometry, and ferromagnetic resonance. All layers (except the one with the highest Mn and Sn content) were found to be single phase rhombohedral, with the distortion axis perpendicular to the layer surface, and ferromagnetic. Ferromagnetic resonance studies have shown that co-doping with a few percent of tin makes the lattice more rigid and changes considerably the magnetocrystalline anisotropy, from purely uniaxial in GeMnTe to distorted cubic in Ge_{1-x-y}Mn_xSn_yTe at the same Mn content.

Keywords

EN

75.30.Gw; 75.50.Pp; 76.50.+g

Discipline

• 75.30.Gw: Magnetic anisotropy
• 76.50.+g: Ferromagnetic, antiferromagnetic, and ferrimagnetic resonances; spin-wave resonance(see also 75.30.Ds Spin waves)
• 75.50.Pp: Magnetic semiconductors

• Journal: Acta Physica Polonica A
• Year: 2017
• Volume: 132
• Issue: 2
• Pages: 340-342

Dates

published

2017-08

Contributors

author

A. Grochot

• Institute of Physics, Polish Academy of Sciences, aleja Lotnikow 32/46, PL-02668 Warsaw, Poland

author

W. Knoff

• Institute of Physics, Polish Academy of Sciences, aleja Lotnikow 32/46, PL-02668 Warsaw, Poland

author

B. Taliashvili

• Institute of Physics, Polish Academy of Sciences, aleja Lotnikow 32/46, PL-02668 Warsaw, Poland

author

W. Wołkanowicz

• Institute of Physics, Polish Academy of Sciences, aleja Lotnikow 32/46, PL-02668 Warsaw, Poland

author

R. Minikayev

• Institute of Physics, Polish Academy of Sciences, aleja Lotnikow 32/46, PL-02668 Warsaw, Poland

author

A. Pieniążek

• Institute of Physics, Polish Academy of Sciences, aleja Lotnikow 32/46, PL-02668 Warsaw, Poland

author

E. Łusakowska

• Institute of Physics, Polish Academy of Sciences, aleja Lotnikow 32/46, PL-02668 Warsaw, Poland

author

M. Sawicki

• Institute of Physics, Polish Academy of Sciences, aleja Lotnikow 32/46, PL-02668 Warsaw, Poland

author

W. Jantsch

• Institute of Semiconductor and Solid State Physics, Johannes Kepler University, Linz, Austria

author

T. Story

• Institute of Physics, Polish Academy of Sciences, aleja Lotnikow 32/46, PL-02668 Warsaw, Poland

author

H. Przybylińska

• Institute of Physics, Polish Academy of Sciences, aleja Lotnikow 32/46, PL-02668 Warsaw, Poland

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Identifiers

DOI

10.12693/APhysPolA.131.340