Abstract
The heat capacity of bundles of closed-cap single-walled carbon nanotubes with one-dimensional chains of nitrogen molecules adsorbed in the grooves has been first experimentally studied at temperatures from 2 to 40 K using an adiabatic calorimeter. The contribution of nitrogen C N2 to the total heat capacity has been separated. In the region 28 K the behavior of the curve C N2 (T) is qualitatively similar to the theoretical prediction of the phonon heat capacity of 1D chains of Kr atoms localized in the grooves of SWNT bundles. Below 3 K the de-pendence C N2 (T) is linear. Above 8 K the dependence C N2 (T) becomes steeper in comparison with the case of Kr atoms. This behavior of the heat capacity C N2 (T) is due to the contribution of the rotational degrees of free-dom of the N 2 molecules.
| Original language | English |
|---|---|
| Pages (from-to) | 568-573 |
| Number of pages | 6 |
| Journal | Fizika Nizkikh Temperatur |
| Volume | 39 |
| Issue number | 5 |
| Publication status | Published - 1 May 2013 |
| Externally published | Yes |
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Keywords
- Heat capacity
- One-dimensional periodic phase of nitrogen molecules
- Single-walled carbon nanotubes bundles
ASJC Scopus subject areas
- Physics and Astronomy(all)
Cite this
The heat capacity of nitrogen chain in grooves of single-walled carbon nanotube bundles. / Bagatskii, M. I.; Barabashko, M. S.; Sumarokov, V. V.
In: Fizika Nizkikh Temperatur, Vol. 39, No. 5, 01.05.2013, p. 568-573.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - The heat capacity of nitrogen chain in grooves of single-walled carbon nanotube bundles
AU - Bagatskii, M. I.
AU - Barabashko, M. S.
AU - Sumarokov, V. V.
PY - 2013/5/1
Y1 - 2013/5/1
N2 - The heat capacity of bundles of closed-cap single-walled carbon nanotubes with one-dimensional chains of nitrogen molecules adsorbed in the grooves has been first experimentally studied at temperatures from 2 to 40 K using an adiabatic calorimeter. The contribution of nitrogen C N2 to the total heat capacity has been separated. In the region 28 K the behavior of the curve C N2 (T) is qualitatively similar to the theoretical prediction of the phonon heat capacity of 1D chains of Kr atoms localized in the grooves of SWNT bundles. Below 3 K the de-pendence C N2 (T) is linear. Above 8 K the dependence C N2 (T) becomes steeper in comparison with the case of Kr atoms. This behavior of the heat capacity C N2 (T) is due to the contribution of the rotational degrees of free-dom of the N 2 molecules.
AB - The heat capacity of bundles of closed-cap single-walled carbon nanotubes with one-dimensional chains of nitrogen molecules adsorbed in the grooves has been first experimentally studied at temperatures from 2 to 40 K using an adiabatic calorimeter. The contribution of nitrogen C N2 to the total heat capacity has been separated. In the region 28 K the behavior of the curve C N2 (T) is qualitatively similar to the theoretical prediction of the phonon heat capacity of 1D chains of Kr atoms localized in the grooves of SWNT bundles. Below 3 K the de-pendence C N2 (T) is linear. Above 8 K the dependence C N2 (T) becomes steeper in comparison with the case of Kr atoms. This behavior of the heat capacity C N2 (T) is due to the contribution of the rotational degrees of free-dom of the N 2 molecules.
KW - Heat capacity
KW - One-dimensional periodic phase of nitrogen molecules
KW - Single-walled carbon nanotubes bundles
UR - http://www.scopus.com/inward/record.url?scp=84877262801&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84877262801&partnerID=8YFLogxK
M3 - Article
VL - 39
SP - 568
EP - 573
JO - Soviet Journal of Low Temperature Physics (English Translation of Fizika Nizkikh Temperatur)
JF - Soviet Journal of Low Temperature Physics (English Translation of Fizika Nizkikh Temperatur)
SN - 0132-6414
IS - 5
ER -