科研之友
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摘要
We present preliminary studies of magnetic and transport properties of Ge1-x-ySnxMnyTe 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 (mu < 100 cm(2) V-1 s(-1)). The dependence of transport properties on the chemical composition of the samples was observed.
- 出版日期2008-11
