Abstract
A technology has been developed for the preparation of thin films of the Bi2Te2.7Se0.3 solid solution through the thermal evaporation in a vacuum using the “hot-wall” method. The high quality of the thin films thus prepared has been confirmed by the X-ray diffraction and Raman scattering data. The electron transport has been investigated over wide ranges of temperatures (1.4–300 K) and magnetic fields (up to 8 T). It has been assumed that the observed weak antilocalization is associated with the dominant contribution from the surface states of a topological insulator. The dephasing length has been estimated.
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Original Russian Text © N.A. Abdullaev, O.Z. Alekperov, Kh.V. Aligulieva, V.N. Zverev, A.M. Kerimova, N.T. Mamedov, 2016, published in Fizika Tverdogo Tela, 2016, Vol. 58, No. 9, pp. 1806–1811.
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Abdullaev, N.A., Alekperov, O.Z., Aligulieva, K.V. et al. Weak antilocalization in thin films of the Bi2Te2.7Se0.3 solid solution. Phys. Solid State 58, 1870–1875 (2016). https://doi.org/10.1134/S106378341609002X
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DOI: https://doi.org/10.1134/S106378341609002X