Low temperature heat capacity and sound velocity in fullerite C60 orientational glasses; Fullerenes, Nanotubes and Carbon Nanostructures; Vol. 25, iss. 11
| Parent link: | Fullerenes, Nanotubes and Carbon Nanostructures Vol. 25, iss. 11.— 2017.— [P. 661-666] |
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| Autore principale: | |
| Ente Autore: | |
| Altri autori: | , |
| Riassunto: | Title screen The nature of the linear term in the heat capacity of fullerite C60 has been investigated. The low-temperature dependence of the sound velocity has been determined from the data of the heat capacity at temperatures below 4 K. A model of the dynamic configuration excitations (DCE) is proposed to describe the contribution of the linear term in heat capacity and calculate the dependence of sound velocity. It is shown that this model, apparently, adequately describes the dynamics of cluster formations of the short-range order in fullerite C60 by taking into account excitations of both the atomic and electronic subsystems. In the framework of this model, it is shown that low-energy tunnel states that are located at the boundaries of C60 domains make a dominant contribution to the low-temperature effects in the heat capacity and sound velocity of C60. Режим доступа: по договору с организацией-держателем ресурса |
| Lingua: | inglese |
| Pubblicazione: |
2017
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| Soggetti: | |
| Accesso online: | https://doi.org/10.1080/1536383X.2017.1391225 |
| Natura: | MixedMaterials Elettronico Capitolo di libro |
| KOHA link: | https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=658174 |
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| 200 | 1 | |a Low temperature heat capacity and sound velocity in fullerite C60 orientational glasses |f M. S. Barabashko, A. E. Rezvanova, A. N. Ponomarev | |
| 203 | |a Text |c electronic | ||
| 300 | |a Title screen | ||
| 320 | |a [References: p. 665-666 (34 tit.)] | ||
| 330 | |a The nature of the linear term in the heat capacity of fullerite C60 has been investigated. The low-temperature dependence of the sound velocity has been determined from the data of the heat capacity at temperatures below 4 K. A model of the dynamic configuration excitations (DCE) is proposed to describe the contribution of the linear term in heat capacity and calculate the dependence of sound velocity. It is shown that this model, apparently, adequately describes the dynamics of cluster formations of the short-range order in fullerite C60 by taking into account excitations of both the atomic and electronic subsystems. In the framework of this model, it is shown that low-energy tunnel states that are located at the boundaries of C60 domains make a dominant contribution to the low-temperature effects in the heat capacity and sound velocity of C60. | ||
| 333 | |a Режим доступа: по договору с организацией-держателем ресурса | ||
| 461 | |t Fullerenes, Nanotubes and Carbon Nanostructures | ||
| 463 | |t Vol. 25, iss. 11 |v [P. 661-666] |d 2017 | ||
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| 610 | 1 | |a fullerite | |
| 610 | 1 | |a heat capacity | |
| 610 | 1 | |a sound velocity | |
| 610 | 1 | |a low temperature | |
| 700 | 1 | |a Barabashko |b M. S. |c Physicist |c Researcher of Tomsk Polytechnic University, Doctor of physical and mathematical sciences |f 1987- |g Maksim Sergeevich |3 (RuTPU)RU\TPU\pers\38239 | |
| 701 | 1 | |a Rezvanova |b A. E. |g Anastasiya Evgenjevna | |
| 701 | 1 | |a Ponomarev |b A. N. |g Aleksandr Nikolaevich | |
| 712 | 0 | 2 | |a Национальный исследовательский Томский политехнический университет |b Исследовательская школа физики высокоэнергетических процессов |c (2017- ) |3 (RuTPU)RU\TPU\col\23551 |
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