Electrical, Magnetic, and Structural Properties of Sn_{1-x}Mn_{x}Te Layers Grown by Molecular Beam Epitaxy

• Authors: A. Nadolny , J. Sadowski , T. Story , W. Dobrowolski , M. Arciszewska , K. Świątek , J. Kachniarz , J. Adamczewska
• Languages of publication: EN

Abstracts

EN

Layers of Sn_{1-x}Mn_{x}Te (x ≤ 0.1) with thickness 0.2-2 μm were grown by molecular beam epitaxy on BaF_{2} substrates with a 0.01-1 μm thick SnTe buffer layer. Both SnTe and Sn_{1-x}Mn_{x}Te layers show metallic p-type conductivity with conducting hole concentrations (at T=77 K) p_{77}=7×10^{19} -2×10^{21} cm^{-3}. The layers grown under the conditions of an extra Te flux have a high carrier concentration and exhibit ferromagnetic phase transition at T_{C} ≤ 7 K. The layers grown with no (or very low) additional Te flux show low carrier concentrations (below 10^{20} cm^{-3}) and remain paramagnetic in the temperature range studied T=4.5÷70 K.

Keywords

EN

75.20.Ck; 75.30.Et; 68.55.-a

Discipline

• 75.30.Et: Exchange and superexchange interactions(see also 71.70.Gm Exchange interactions)
• 75.20.Ck: Nonmetals
• 68.55.-a: Thin film structure and morphology(for methods of thin film deposition, film growth and epitaxy, see 81.15.-z)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 1998
• Volume: 94
• Issue: 3
• Pages: 449-453

Dates

published

1998-09

Contributors

author

A. Nadolny

• Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warszawa, Poland

author

J. Sadowski

• Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warszawa, Poland

author

T. Story

• Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warszawa, Poland

author

W. Dobrowolski

• Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warszawa, Poland

author

M. Arciszewska

• Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warszawa, Poland

author

K. Świątek

• Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warszawa, Poland

author

J. Kachniarz

• Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warszawa, Poland

author

J. Adamczewska

• Institute of Physics, Polish Academy of Sciences, Al. Lotników 32/46, 02-668 Warszawa, Poland

Identifiers

DOI

10.12693/APhysPolA.94.449