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High-Pressure Magnetic and Transport Properties of Zn0.1Cd0.9GeAs2 + n wt % MnAs (n = 10 or 15) Nanocomposites

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Abstract—

The magnetic susceptibility χ(T) of Zn0.1Cd0.9GeAs2 + n wt % MnAs (n = 10 or 15) ferromagnetic nanocomposites with a Curie temperature TC = 310 K has been measured as a function of temperature in the temperature range 270–350 K, and their resistivity ρ(p), Hall coefficient RH(p), and magnetization M(p) have been measured as functions of pressure near room temperature. The materials have been shown to undergo a pressure-induced ferromagnetic-to-paramagnetic phase transition, accompanied by a semiconductor–metal phase transition, at a hydrostatic pressure p ≈ 3.2 GPa and room temperature.

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ACKNOWLEDGMENTS

This work was supported by the Russian Foundation for Basic Research, project no. 16-02-00210 a.

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Authors and Affiliations

  1. Amirkhanov Institute of Physics, Dagestan Scientific Center, Russian Academy of Sciences, ul. Yaragskogo 94, 367015, Makhachkala, Dagestan, Russia

    R. K. Arslanov, T. R. Arslanov & U. Z. Zalibekov

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

    I. V. Fedorchenko

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  1. R. K. Arslanov
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  2. T. R. Arslanov
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  3. U. Z. Zalibekov
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  4. I. V. Fedorchenko
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Correspondence to R. K. Arslanov.

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Translated by O. Tsarev

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Arslanov, R.K., Arslanov, T.R., Zalibekov, U.Z. et al. High-Pressure Magnetic and Transport Properties of Zn0.1Cd0.9GeAs2 + n wt % MnAs (n = 10 or 15) Nanocomposites. Inorg Mater 55, 96–100 (2019). https://doi.org/10.1134/S0020168519010011

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  • DOI: https://doi.org/10.1134/S0020168519010011

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