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Heat Capacity and Enthalpy of Bi2Si3 and Bi2Te3 in the Temperature Range 58-1012 K

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Abstract

We have studied the heat capacity and enthalpy of Bi2Si3 and Bi2Te3 at low and high temperatures. Based on low-temperature measurements of the heat capacity, we have calculated the enthalpy, entropy, and reduced Gibbs energy of the compounds under standard conditions. We have determined the temperature dependences of the thermodynamic functions of Bi2Si3 and Bi2Te3 in the range 298.15-968 K and 298.15-874 K, respectively. We have determined the melting points and the enthalpies and entropies of melting for the compounds.

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Authors and Affiliations

  1. Institute for Problems of Materials Science, National Academy of Sciences of Ukraine, ul. Krzhizhanovskogo 3, Kiev, Ukraine, 03142

    Nikolai P. Gorbachuk & Vladislav R. Sidorko

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  1. Nikolai P. Gorbachuk
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  2. Vladislav R. Sidorko
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Gorbachuk, N.P., Sidorko, V.R. Heat Capacity and Enthalpy of Bi2Si3 and Bi2Te3 in the Temperature Range 58-1012 K. Powder Metallurgy and Metal Ceramics 43, 284–290 (2004). https://doi.org/10.1023/B:PMMC.0000042464.28118.a3

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  • DOI: https://doi.org/10.1023/B:PMMC.0000042464.28118.a3

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