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The effect of sorbed hydrogen on low-temperature radial thermal expansion of single-walled carbon nanotube bundles
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2009 (English)In: Low temperature physics (Woodbury, N.Y., Print), ISSN 1063-777X, Vol. 35, no 12, 939-943 p.Article in journal (Refereed) Published
Abstract [en]

The effect of a normal H2 impurity upon the radial thermal expansion ar of single-walled carbon nanotube (SWNT) bundles has been investigated in the interval T = 2.2–27 K using the dilatometric method. It is found that H2 saturation of SWNT bundles causes a shift of the temperature interval of the negative thermal expansion towards lower (as compared to pure carbon nanotubes) temperatures and a sharp increase in the magnitude of ar in the whole range of temperatures investigated. The low temperature desorption of H2 from a powder consisting of bundles of SWNTs, open and closed at the ends, has been investigated.

Place, publisher, year, edition, pages
2009. Vol. 35, no 12, 939-943 p.
Keyword [en]
Carbon nanotubes, thermal expansion, radial thermal expansion, hydrogen hydrogen sorption, low temperature
National Category
Condensed Matter Physics
Research subject
URN: urn:nbn:se:umu:diva-30485DOI: 10.1063/1.3274811OAI: diva2:284111
Simultaneous publication in Fizika Nizkikh Temperatur (ISSN 0132-6414 (Print), 1816-0328 (On-line)) vol. 35, issue 12, pages 1209-1214 (2009).Available from: 2010-01-04 Created: 2010-01-04 Last updated: 2010-01-12

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Sundqvist, Bertil
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