The specific heat and the radial thermal expansion of bundles of single-walled carbon nanotubes

The specific heat and the radial thermal expansion of bundles of single-walled carbon nanotubes

The specific heat at constant pressure C(T) of bundles of single-walled carbon nanotubes (SWNTs) closed at their ends has been investigated in a temperature interval of 2–120 K. It is found that the curve C(T) has features near 5, 36, 80, and 100 K. The experimental results on the C(T) and the rad...

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Veröffentlicht in:Физика низких температур
Datum:2012
Hauptverfasser: Bagatskii, M.I., Barabashko, M.S., Dolbin, A.V., Sumarokov, V.V.
Format: Artikel
Sprache:English
Veröffentlicht: Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України 2012
Schlagworte:
Наноструктуры при низких температурах
Online Zugang:https://nasplib.isofts.kiev.ua/handle/123456789/117246
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Zitieren:The specific heat and the radial thermal expansion of bundles of single-walled carbon nanotubes / M.I. Bagatskii, M.S. Barabashko, A.V. Dolbin, V.V. Sumarokov // Физика низких температур. — 2012. — Т. 38, № 6. — С. 667-673. — Бібліогр.: 51 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
id nasplib_isofts_kiev_ua-123456789-117246
record_format dspace
spelling Bagatskii, M.I.
Barabashko, M.S.
Dolbin, A.V.
Sumarokov, V.V.
2017-05-21T16:13:16Z
2017-05-21T16:13:16Z
2012
The specific heat and the radial thermal expansion of bundles of single-walled carbon nanotubes / M.I. Bagatskii, M.S. Barabashko, A.V. Dolbin, V.V. Sumarokov // Физика низких температур. — 2012. — Т. 38, № 6. — С. 667-673. — Бібліогр.: 51 назв. — англ.
0132-6414
https://nasplib.isofts.kiev.ua/handle/123456789/117246
PACS: 65.40.Ba, 65.80.–g, 81.07.De
The specific heat at constant pressure C(T) of bundles of single-walled carbon nanotubes (SWNTs) closed at their ends has been investigated in a temperature interval of 2–120 K. It is found that the curve C(T) has features near 5, 36, 80, and 100 K. The experimental results on the C(T) and the radial thermal expansion coefficient αR(T) of bundles of SWNTs oriented perpendicular to the sample axis have been compared. It is found that the curves C(T) and αR(T) exhibit a similar temperature behavior at T > 10 K. The temperature dependence of the Grüneisen coefficient γ(T) has been calculated. The curve γ(T) also has a feature near 36 K. Above 36 K the Grüneisen coefficient is practically independent of temperature (γ ≈ 4). Below 36 K γ(T) decreases monotonically with lowering temperature and becomes negative at T < 6 K.
The authors are grateful to Profs. V.G. Manzhelii, B.A. Danilchenko, E.S. Syrkin and S.B. Feodosyev for helpful discussions. Thanks are also due to V.B. Eselson and S.I. Popov for their assistance in the experiment.
en
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
Физика низких температур
Наноструктуры при низких температурах
The specific heat and the radial thermal expansion of bundles of single-walled carbon nanotubes
Article
published earlier
institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
collection DSpace DC
title The specific heat and the radial thermal expansion of bundles of single-walled carbon nanotubes
spellingShingle The specific heat and the radial thermal expansion of bundles of single-walled carbon nanotubes
Bagatskii, M.I.
Barabashko, M.S.
Dolbin, A.V.
Sumarokov, V.V.
Наноструктуры при низких температурах
title_short The specific heat and the radial thermal expansion of bundles of single-walled carbon nanotubes
title_full The specific heat and the radial thermal expansion of bundles of single-walled carbon nanotubes
title_fullStr The specific heat and the radial thermal expansion of bundles of single-walled carbon nanotubes
title_full_unstemmed The specific heat and the radial thermal expansion of bundles of single-walled carbon nanotubes
title_sort specific heat and the radial thermal expansion of bundles of single-walled carbon nanotubes
author Bagatskii, M.I.
Barabashko, M.S.
Dolbin, A.V.
Sumarokov, V.V.
author_facet Bagatskii, M.I.
Barabashko, M.S.
Dolbin, A.V.
Sumarokov, V.V.
topic Наноструктуры при низких температурах
topic_facet Наноструктуры при низких температурах
publishDate 2012
language English
container_title Физика низких температур
publisher Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
format Article
description The specific heat at constant pressure C(T) of bundles of single-walled carbon nanotubes (SWNTs) closed at their ends has been investigated in a temperature interval of 2–120 K. It is found that the curve C(T) has features near 5, 36, 80, and 100 K. The experimental results on the C(T) and the radial thermal expansion coefficient αR(T) of bundles of SWNTs oriented perpendicular to the sample axis have been compared. It is found that the curves C(T) and αR(T) exhibit a similar temperature behavior at T > 10 K. The temperature dependence of the Grüneisen coefficient γ(T) has been calculated. The curve γ(T) also has a feature near 36 K. Above 36 K the Grüneisen coefficient is practically independent of temperature (γ ≈ 4). Below 36 K γ(T) decreases monotonically with lowering temperature and becomes negative at T < 6 K.
issn 0132-6414
url https://nasplib.isofts.kiev.ua/handle/123456789/117246
citation_txt The specific heat and the radial thermal expansion of bundles of single-walled carbon nanotubes / M.I. Bagatskii, M.S. Barabashko, A.V. Dolbin, V.V. Sumarokov // Физика низких температур. — 2012. — Т. 38, № 6. — С. 667-673. — Бібліогр.: 51 назв. — англ.
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last_indexed 2025-11-30T12:46:31Z
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