Abstract
The specific heat C P of quasi-one-dimensional Xe adsorbate chains in grooves on the outer surface of closed single-walled carbon nanotube bundles in the temperature interval of 2–55 K has been measured. Experimental data have been compared to the theoretical C V values. The sharp increase in the difference C P − C V above 30 K has been explained within the model of formation of single thermal vacancies in the one-dimensional Xe adsorbate chains. The enthalpy, entropy, and concentration of thermal vacancies have been determined.
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Original Russian Text © M.I. Bagatskii, M.S. Barabashko, V.V. Sumarokov, 2014, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2014, Vol. 99, No. 8, pp. 532–536.
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Bagatskii, M.I., Barabashko, M.S. & Sumarokov, V.V. Thermal vacancies in one-dimensional Xe adsorbate chains in grooves of nanotube bundles. Jetp Lett. 99, 461–465 (2014). https://doi.org/10.1134/S0021364014080049
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DOI: https://doi.org/10.1134/S0021364014080049