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Bagatskii M. I. Experimental low-temperature heat capacity of one-dimensional xenon adsorbate chains in the grooves of carbon c-SWNT bundles [Електронний ресурс] / M. I. Bagatskii, V. G. Manzhelii, V. V. Sumarokov, M. S. Barabashko // Физика низких температур. - 2013. - Т. 39, № 7. - С. 801-805. - Режим доступу: http://nbuv.gov.ua/UJRN/PhNT_2013_39_7_10 The experimental studies of the heat capacity of 1D chains of xenon atoms adsorbed in the outer grooves of bundles of closed single-walled carbon nanotubes <$EC sub roman Xe> have been first made at temperature range 2 - 30 K with the adiabatic calorimeter. The experimental data <$EC sub roman Xe> have been compared with theory [A. Siber, Phys. Rev. B 66, 235414 (2002)]. The experimental and theoretical heat capacity curves are close below 8 K. Above 8 K the experimental curve <$EC sub roman Xe (T)> exceeds the theoretical one and excess capacity <$Eroman D C sub roman Xe (T)> increases monotonously with temperature. We assume that the <$Eroman D C sub roman Xe (T)> caused mainly by the increase of the distance between the neighboring xenon atoms in the chain with increasing temperature.
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