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A. V. DOLBIN, V. B. ESEL’SON, V. G. GAVRILKO, V. G. MANZHELIY, N. A. VINNIKOV, S. N. POPOV, and B. SANDKVIST
«Influence of Gas Impurity on Thermal Expansion of Carbon Nanotubes»
121–136 (2009)
PACS numbers: 61.46.Fg, 61.46.Np, 61.48.De, 65.80.-g, 81.05.ub, 81.07.De
The linear coefficient of radial thermal expansion of Xe-saturated carbon
nanotubes (CNT) at low temperatures (2.2—75 K) is determined. The measurements
are made with the dilatometer having sensitivity of 2?10?9
cm. As determined, the Xe impurity makes a significant positive contribution to radial
thermal expansion of CNT. The temperature intervals of existence of desorption
maximums of Xe impurity located in different sites of closed-end
and open-end CNT-bundles surfaces are determined using the method of temperature-
programmed desorption.
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