Thermal expansion of solid solutions Kr-CH₄ at temperatures of liquid helium

dc.contributor.author	Aleksandrovskii, A.N.
dc.contributor.author	Gavrilko, V.G.
dc.contributor.author	Dolbin, A.V.
dc.contributor.author	Esel`son, V.B.
dc.contributor.author	Manzhelii, V.G.
dc.contributor.author	Udovidchenko, B.G.
dc.date.accessioned	2018-01-14T11:07:33Z
dc.date.available	2018-01-14T11:07:33Z
dc.date.issued	2003
dc.identifier.citation	Thermal expansion of solid solutions Kr-CH₄ at temperatures of liquid helium / A.N. Aleksandrovskii, V.G. Gavrilko, A.V. Dolbin, V.B. Esel`son, V.G. Manzhelii, B.G. Udovidchenko // Физика низких температур. — 2003. — Т. 29, № 6. — С. 715-721. — Бібліогр.: 16 назв. — англ.	uk_UA
dc.identifier.issn	0132-6414
dc.identifier.other	PACS: 65.40.+g, 65.70.+y
dc.identifier.uri	http://dspace.nbuv.gov.ua/handle/123456789/128874
dc.description.abstract	A negative contribution of the CH₄ impurity to the thermal expansion of the solution has been revealed in the dilatometric studies of solid Kr + 0.76% CH4, Kr + 5.25% CH₄, and Kr + 10.5% CH₄ solutions at 1-23 K. It is shown that the negative contribution results from changes in the occupancy of the ground state of the A-modifications of isolated CH₄ molecules. Assuming that the CH₄ impurity singles and clusters contribute to the thermal expansion independently, we can estimate their contributions. The contribution of the singles to the thermal expansion of the solid solution is negative. The energies of the first excitational rotational states were determined for singles and two-body and three-body clusters of the CH₄ molecules.	uk_UA
dc.language.iso	en	uk_UA
dc.publisher	Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України	uk_UA
dc.relation.ispartof	Физика низких температур
dc.subject	3-й Международный семинар по физике низких температур в условиях микрогравитации	uk_UA
dc.title	Thermal expansion of solid solutions Kr-CH₄ at temperatures of liquid helium	uk_UA
dc.type	Article	uk_UA
dc.status	published earlier	uk_UA