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Pressure and temperature dependences in p-ZnAs2 at high pressures

  • Physical Methods of Investigation
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Abstract

Kinetic effects in p-ZnAs2 were measured at hydrostatic (P ≤ 9 GPa) and quasi-hydrostatic (to P ≤ 50 GPa) pressures on pressure buildup and depressurization. A conclusion on the occurrence of two phase transitions was made: I–II at P = 9–15 GPa and II-III at P = 30–35 GPa. Based on the temperature dependences of electrical resistance, it was shown that the conductivity is determined by activation mechanisms in a temperature range of 250–400 K; in this case, the activation energy changed with temperature and pressure. The pressure dependences of the activation energy and the coefficient R 0, which characterizes the mobility, concentration, and effective mass of carriers, were calculated.

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Authors and Affiliations

  1. Amirkhanov Institute of Physics, Dagestan Scientific Center, Russian Academy of Sciences, ul. 26 Bakinskikh komissarov 94, Makhachkala, 367003, Russia

    A. Yu. Mollaev, A. G. Alibekov, R. K. Arslanov & L. A. Saipulaeva

  2. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Leninskii pr. 31, Moscow, 119991, Russia

    S. F. Marenkin

  3. Institute of Natural Sciences, Ural Federal University, Yekaterinburg, 620002, Russia

    A. N. Babushkin & A. V. Teben’kov

Authors
  1. A. Yu. Mollaev
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  2. S. F. Marenkin
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  3. A. G. Alibekov
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  4. R. K. Arslanov
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  5. A. N. Babushkin
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  6. L. A. Saipulaeva
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  7. A. V. Teben’kov
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Additional information

Original Russian Text © A.Yu. Mollaev, S.F. Marenkin, A.G. Alibekov, R.K. Arslanov, A.N. Babushkin, L.A. Saipulaeva, A.V. Teben’kov, 2013, published in Zhurnal Neorganicheskoi Khimii, 2013, Vol. 58, No. 3, pp. 402–405.

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Mollaev, A.Y., Marenkin, S.F., Alibekov, A.G. et al. Pressure and temperature dependences in p-ZnAs2 at high pressures. Russ. J. Inorg. Chem. 58, 350–353 (2013). https://doi.org/10.1134/S0036023613020198

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  • DOI: https://doi.org/10.1134/S0036023613020198

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