Abstract
The temperature dependences of the Hall coefficient, electrical conductivity, and thermoelectric power for a eutectic InSb + MnSb composite have been studied in the temperature range from 80 to 700 K. Electron-microscopic results confirm that the system is in a two-phase state and consists of an InSb matrix and needle-like MnSb metallic inclusions. The inclusions are surrounded by interfacial zones ~0.3 μm in width. The observed anisotropy in the transport properties of the material is attributed to a short-circuiting effect of the metallic inclusions. Interpretation in terms of effective medium theory with allowance for the interfacial zones suggests that they make a significant contribution to the electrical conductivity anisotropy.
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Original Russian Text © I.Kh. Mamedov, D.H. Arasly, A.A. Khalilova, R.N. Rahimov, 2016, published in Neorganicheskie Materialy, 2016, Vol. 52, No. 4, pp. 468–472.
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Mamedov, I.K., Arasly, D.H., Khalilova, A.A. et al. Anisotropic electrical properties of a eutectic InSb + MnSb composite. Inorg Mater 52, 423–428 (2016). https://doi.org/10.1134/S0020168516040105
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DOI: https://doi.org/10.1134/S0020168516040105