The effect of O2 impurities on the low temperature radial thermal expansion of bundles of closed single-walled carbon nanotubes

(2) Department of Physics; A. V. Dolbin (1); B. Sundqvist (2). ((1) B. Verkin Institute for Low Temperature Physics; Engineering of the National Academy of Sciences of Ukraine; Kharkov; N. A. Vinnikov (1); S. N. Popov (1); Sweden); Ukraine; Umea

arxiv: 1107.3644 · v1 · pith:6QOVPNRNnew · submitted 2011-07-19 · ❄️ cond-mat.mes-hall · cond-mat.mtrl-sci

The effect of O2 impurities on the low temperature radial thermal expansion of bundles of closed single-walled carbon nanotubes

A. V. Dolbin (1) , V. B. Esel'son (1) , V. G. Gavrilko (1) , V. G. Manzhelii (1) , S. N. Popov (1) , N. A. Vinnikov (1) , B. Sundqvist (2). ((1) B. Verkin Institute for Low Temperature Physics , Engineering of the National Academy of Sciences of Ukraine

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Kharkov Ukraine (2) Department of Physics Umea University Umea Sweden)

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classification ❄️ cond-mat.mes-hall cond-mat.mtrl-sci

keywords bundlesnanotubestemperatureclosedoxygensingle-walledbeencarbon

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The effect of oxygen impurities upon the radial thermal expansion (ar) of bundles of closed single-walled carbon nanotubes has been investigated in the temperature interval 2.2-48 K by the dilatometric method. Saturation of bundles of nanotubes with oxygen caused an increase in the positive ar-values in the whole interval of temperatures used. Also, several peaks appeared in the temperature dependence ar(T) above 20 K. The low temperature desorption of oxygen from powders consisting of bundles of single-walled nanotubes with open and closed ends has been investigated

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The effect of O2 impurities on the low temperature radial thermal expansion of bundles of closed single-walled carbon nanotubes

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