Thermal conductivity of argon–SiO₂ cryocrystal nanocomposite
The effective thermal conductivity of samples of cryocrystal nanocomposite obtained from argon and SiO2 nanopowder was determined in the temperature interval 2–35 K using the steady-state method. The thermal conductivity of crystalline argon with nanoparticles of amorphous silica oxide embedded in...
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| Veröffentlicht in: | Физика низких температур |
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| Datum: | 2016 |
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| Sprache: | English |
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Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2016
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| Zitieren: | Thermal conductivity of argon–SiO₂ cryocrystal nanocomposite / R.V. Nikonkov, P. Stachowiak, A. Jeżowski, and A.I. Krivchikov // Физика низких температур. — 2016. — Т. 42, № 4. — С. 403–406 . — Бібліогр.: 31 назв. — англ. |
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Nikonkov, R.V. Stachowiak, P. Jeżowski, A. Krivchikov, A.I. 2018-01-10T15:01:10Z 2018-01-10T15:01:10Z 2016 Thermal conductivity of argon–SiO₂ cryocrystal nanocomposite / R.V. Nikonkov, P. Stachowiak, A. Jeżowski, and A.I. Krivchikov // Физика низких температур. — 2016. — Т. 42, № 4. — С. 403–406 . — Бібліогр.: 31 назв. — англ. 0132-6414 PACS: 65.60 +a, 66.70.–f, 63.20.–e https://nasplib.isofts.kiev.ua/handle/123456789/128508 The effective thermal conductivity of samples of cryocrystal nanocomposite obtained from argon and SiO2 nanopowder was determined in the temperature interval 2–35 K using the steady-state method. The thermal conductivity of crystalline argon with nanoparticles of amorphous silica oxide embedded in its structure shows a weak dependence on particle linear dimension in the interval 5–42 nm. The temperature dependence of the thermal conductivity of the nanocomposites can be well approximated by taking into account only the two mechanisms of heat carrier scattering: phonon-phonon interaction in U-processes and scattering of phonons by dislocations. The authors want to thank Dr. Robert Pązik for providing SiO₂ nanopowders. This work was supported by the National Science Centre (Poland) grant nr. UMO-2013/08/M/ST3/00934. en Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України Физика низких температур Наноструктуры при низких температурах Thermal conductivity of argon–SiO₂ cryocrystal nanocomposite Article published earlier |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| title |
Thermal conductivity of argon–SiO₂ cryocrystal nanocomposite |
| spellingShingle |
Thermal conductivity of argon–SiO₂ cryocrystal nanocomposite Nikonkov, R.V. Stachowiak, P. Jeżowski, A. Krivchikov, A.I. Наноструктуры при низких температурах |
| title_short |
Thermal conductivity of argon–SiO₂ cryocrystal nanocomposite |
| title_full |
Thermal conductivity of argon–SiO₂ cryocrystal nanocomposite |
| title_fullStr |
Thermal conductivity of argon–SiO₂ cryocrystal nanocomposite |
| title_full_unstemmed |
Thermal conductivity of argon–SiO₂ cryocrystal nanocomposite |
| title_sort |
thermal conductivity of argon–sio₂ cryocrystal nanocomposite |
| author |
Nikonkov, R.V. Stachowiak, P. Jeżowski, A. Krivchikov, A.I. |
| author_facet |
Nikonkov, R.V. Stachowiak, P. Jeżowski, A. Krivchikov, A.I. |
| topic |
Наноструктуры при низких температурах |
| topic_facet |
Наноструктуры при низких температурах |
| publishDate |
2016 |
| language |
English |
| container_title |
Физика низких температур |
| publisher |
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України |
| format |
Article |
| description |
The effective thermal conductivity of samples of cryocrystal nanocomposite obtained from argon and SiO2
nanopowder was determined in the temperature interval 2–35 K using the steady-state method. The thermal conductivity
of crystalline argon with nanoparticles of amorphous silica oxide embedded in its structure shows a weak dependence
on particle linear dimension in the interval 5–42 nm. The temperature dependence of the thermal conductivity
of the nanocomposites can be well approximated by taking into account only the two mechanisms of heat
carrier scattering: phonon-phonon interaction in U-processes and scattering of phonons by dislocations.
|
| issn |
0132-6414 |
| url |
https://nasplib.isofts.kiev.ua/handle/123456789/128508 |
| citation_txt |
Thermal conductivity of argon–SiO₂ cryocrystal nanocomposite / R.V. Nikonkov, P. Stachowiak, A. Jeżowski, and A.I. Krivchikov // Физика низких температур. — 2016. — Т. 42, № 4. — С. 403–406 . — Бібліогр.: 31 назв. — англ. |
| work_keys_str_mv |
AT nikonkovrv thermalconductivityofargonsio2cryocrystalnanocomposite AT stachowiakp thermalconductivityofargonsio2cryocrystalnanocomposite AT jezowskia thermalconductivityofargonsio2cryocrystalnanocomposite AT krivchikovai thermalconductivityofargonsio2cryocrystalnanocomposite |
| first_indexed |
2025-12-07T18:54:45Z |
| last_indexed |
2025-12-07T18:54:45Z |
| _version_ |
1850876818909822976 |