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AC Magnetic Susceptibility Studies of Ge_{1-x-y}Sn_{x}Mn_{y}Te Mixed Crystals

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Kilanski L., Arciszewska M., Domukhovski V., Dobrowolski W., Slynko V., Slynko I.
Acta Physica Polonica A
|
2008
|
vol. 114
|
issue 5
1145-1150
EN
We present preliminary studies of magnetic and transport properties of Ge_{1-x-y}Sn_xMn_yTe mixed crystals with 0.091 ≤ x ≤ 0.105 and 0.012 ≤ y ≤ 0.115. Qualitative analysis of our experimental results showed the appearance of a spin-glass phase at T < 50 K. The transport characterization (resistivity and Hall effect measurements) showed that the investigated samples had semimetallic p-type conductivity with relatively large carrier concentrations (p > 10^{21} cm^{-3}) and low mobilities (μ < 100 cm^2 V^{-1} s^{-1}). The dependence of transport properties on the chemical composition of the samples was observed.
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