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періодичних видань НАН України
періодичних видань НАН України
Experimental low-temperature heat capacity of one-dimensional xenon adsorbate chains in the grooves of carbon c-SWNT bundles
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Experimental low-temperature heat capacity of one-dimensional xenon adsorbate chains in the grooves of carbon c-SWNT bundles
Тема:
Наноструктуры при низких температурах
Інший ID:
PACS: 65.40.Ba, 65.80.–g, 81.07.De
Посилання:
Experimental low-temperature heat capacity
of one-dimensional xenon adsorbate chains
in the grooves of carbon c-SWNT bundles / M.I. Bagatskii, V.G. Manzhelii, V.V. Sumarokov, M.S. Barabashko // Физика низких температур. — 2013. — Т. 39, № 7. — С. 801–805. — Бібліогр.: 35 назв. — англ.
Підтримка:
The authors are grateful to Yu. Freiman, M. Strzhe-mechny, A. Dolbin and K. Chishko for helpful discussions.
Дата:
2013
Переглядів:
731
Завантажень:
612
Анотація:
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 CXe have been first made at temperature range 2–30 K with
the adiabatic calorimeter. The experimental data CXe have been compared with theory [A. Šiber, Phys. Rev. B
66, 235414 (2002)]. The experimental and theoretical heat capacity curves are close below 8 K. Above 8 K the
experimental curve CXe (T) exceeds the theoretical one and excess capacity CXe (T) increases monotonously
with temperature. We assume that the CXe (T) caused mainly by the increase of the distance between the
neighboring xenon atoms in the chain with increasing temperature.
