Influence of vibrational anharmonicity and vacancies on thermodynamic properties of the rare gas crystals

A statistical method is used to calculate thermodynamic properties of Ar, Kr and Xe (isobaric and isochoric heat capacity, bulk modulus, thermal expansion coefficient, interatomic distances, Grüneisen parameter), and good agreement with experimental values is observed. It is shown that at high tempe...

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Veröffentlicht in:Физика низких температур
Datum:2003
Hauptverfasser: Karasevskii, A.I., Holzapfel, W.B.
Format: Artikel
Sprache:Englisch
Veröffentlicht: Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України 2003
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Online Zugang:https://nasplib.isofts.kiev.ua/handle/123456789/128914
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Zitieren:Influence of vibrational anharmonicity and vacancies on thermodynamic properties of the rare gas crystals / A.I. Karasevskii, W.B. Holzapfel // Физика низких температур. — 2003. — Т. 29, № 9-10. — С. 951-956. — Бібліогр.: 15 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
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author Karasevskii, A.I.
Holzapfel, W.B.
author_facet Karasevskii, A.I.
Holzapfel, W.B.
citation_txt Influence of vibrational anharmonicity and vacancies on thermodynamic properties of the rare gas crystals / A.I. Karasevskii, W.B. Holzapfel // Физика низких температур. — 2003. — Т. 29, № 9-10. — С. 951-956. — Бібліогр.: 15 назв. — англ.
collection DSpace DC
container_title Физика низких температур
description A statistical method is used to calculate thermodynamic properties of Ar, Kr and Xe (isobaric and isochoric heat capacity, bulk modulus, thermal expansion coefficient, interatomic distances, Grüneisen parameter), and good agreement with experimental values is observed. It is shown that at high temperature, slightly above the melting point of the rare gas crystals, an instability of the crystalline state occurs. As temperature approaches this instability the isobaric heat capacity and the thermal expansion coefficient show strong increases similar to the experimentally observed anomalies.
first_indexed 2025-12-07T19:32:49Z
format Article
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institution Digital Library of Periodicals of National Academy of Sciences of Ukraine
issn 0132-6414
language English
last_indexed 2025-12-07T19:32:49Z
publishDate 2003
publisher Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
record_format dspace
spelling Karasevskii, A.I.
Holzapfel, W.B.
2018-01-14T12:52:00Z
2018-01-14T12:52:00Z
2003
Influence of vibrational anharmonicity and vacancies on thermodynamic properties of the rare gas crystals / A.I. Karasevskii, W.B. Holzapfel // Физика низких температур. — 2003. — Т. 29, № 9-10. — С. 951-956. — Бібліогр.: 15 назв. — англ.
0132-6414
PACS: 63.70.+h, 64.30.+t, 05.70.Ce
https://nasplib.isofts.kiev.ua/handle/123456789/128914
A statistical method is used to calculate thermodynamic properties of Ar, Kr and Xe (isobaric and isochoric heat capacity, bulk modulus, thermal expansion coefficient, interatomic distances, Grüneisen parameter), and good agreement with experimental values is observed. It is shown that at high temperature, slightly above the melting point of the rare gas crystals, an instability of the crystalline state occurs. As temperature approaches this instability the isobaric heat capacity and the thermal expansion coefficient show strong increases similar to the experimentally observed anomalies.
This research was supported in parts by an award
 from the Deutscher Akademischer Austauschdienst
 (DAAD) to A.I.K.
en
Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
Физика низких температур
High-Pressure Studies
Influence of vibrational anharmonicity and vacancies on thermodynamic properties of the rare gas crystals
Article
published earlier
spellingShingle Influence of vibrational anharmonicity and vacancies on thermodynamic properties of the rare gas crystals
Karasevskii, A.I.
Holzapfel, W.B.
High-Pressure Studies
title Influence of vibrational anharmonicity and vacancies on thermodynamic properties of the rare gas crystals
title_full Influence of vibrational anharmonicity and vacancies on thermodynamic properties of the rare gas crystals
title_fullStr Influence of vibrational anharmonicity and vacancies on thermodynamic properties of the rare gas crystals
title_full_unstemmed Influence of vibrational anharmonicity and vacancies on thermodynamic properties of the rare gas crystals
title_short Influence of vibrational anharmonicity and vacancies on thermodynamic properties of the rare gas crystals
title_sort influence of vibrational anharmonicity and vacancies on thermodynamic properties of the rare gas crystals
topic High-Pressure Studies
topic_facet High-Pressure Studies
url https://nasplib.isofts.kiev.ua/handle/123456789/128914
work_keys_str_mv AT karasevskiiai influenceofvibrationalanharmonicityandvacanciesonthermodynamicpropertiesoftheraregascrystals
AT holzapfelwb influenceofvibrationalanharmonicityandvacanciesonthermodynamicpropertiesoftheraregascrystals