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Träfflista för sökning "WFRF:(Gavrilko V G) srt2:(2008)"

Search: WFRF:(Gavrilko V G) > (2008)

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1.
  • Dolbin, Alexander V., et al. (author)
  • The effect of the noncentral impurity-matrix interaction upon the thermal expansion and polyamorphism of solid CO-C60 solutions at low temperatures
  • 2008
  • In: Fizika Nizkikh Temperatur. - : AIP Publishing. - 0132-6414. ; 34:6, s. 592-598
  • Journal article (peer-reviewed)abstract
    • Orientational glasses with CO molecules occupying 26 and 90% of the octahedral interstitial sites in the C60 lattice have been investigated by the dilatometric method in a temperature interval of 2.5–22 K. At temperatures 4–6 K the glasses undergo a first-order phase transition which is evident from the hysteresis of the thermal expansion and the maxima in the temperature dependences of the linear thermal expansion coefficients a(T), and the thermalization times t1(T) of the samples. The effect of the noncentral CO–C60 interaction upon the thermal expansion and the phase transition in these glasses was clarified by comparing the behavior of the properties of the CO–C60 and N2–C60 solutions.
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2.
  • Dolbin, Alexander V, et al. (author)
  • Radial thermal expansion of single-walled carbon nanotube bundles at low temperatures.
  • 2008
  • In: Fizika Nizkikh Temperatur. - : AIP Publishing. - 0132-6414. ; 34:8, s. 860-862
  • Journal article (peer-reviewed)abstract
    • For the first time, the linear coefficient of radial thermal expansion is measured on a system of carbon single-walled nanotube (SWNT) bundles at low temperatures (2.2–120 K). The measurements are performed using a dilatometer with a sensitivity of 2×10−9 cm. A cylindrical sample 7 mm high and 10 mm in diameter was obtained by compressing powder. The resulting bundles of nanotubes are oriented perpendicular to the sample axis. The starting powder consisted of over 90% SWNTs with outer diameter 1.1 nm, the length varying in the range 5–30 µm. A change of sign of the radial thermal expansion coefficient at 5.5 K is observed.
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  • Result 1-2 of 2
Type of publication
journal article (2)
Type of content
peer-reviewed (2)
Author/Editor
Sundqvist, Bertil (2)
Gavrilko, V.G. (2)
Esel'son, V.B. (2)
Manzhelii, V. G. (2)
Dolbin, Alexander V. (2)
Vinnikov, N A (2)
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Gadd, G.E. (1)
Moricca, S. (1)
Cassidy, D. (1)
Popov, S.N. (1)
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University
Umeå University (2)
Language
English (2)
Research subject (UKÄ/SCB)
Natural sciences (2)
Year
2008 (2)Undo refine

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