Наукова електронна бібліотека
періодичних видань НАН України

Kinetics of ⁴He gas sorption by fullerite C₆₀. Quantum effects

Репозиторій DSpace/Manakin

Показати простий запис статті

dc.contributor.author Dolbin, A.V.
dc.contributor.author Esel'son, V.B.
dc.contributor.author Gavrilko, V.G.
dc.contributor.author Manzhelii, V.G.
dc.contributor.author Vinnikov, N.A.
dc.contributor.author Popov, S.N.
dc.date.accessioned 2017-05-24T05:48:07Z
dc.date.available 2017-05-24T05:48:07Z
dc.date.issued 2010
dc.identifier.citation Kinetics of ⁴He gas sorption by fullerite C₆₀. Quantum effects / A.V. Dolbin, V.B. Esel'son, V.G. Gavrilko, V.G. Manzhelii, N.A.Vinnikov, S.N. Popov // Физика низких температур. — 2010. — Т. 36, № 12. — С. 1352–1355. — Бібліогр.: 16 назв. — англ. uk_UA
dc.identifier.issn 0132-6414
dc.identifier.other PACS: 68.43.Mn
dc.identifier.uri http://dspace.nbuv.gov.ua/handle/123456789/117541
dc.description.abstract The kinetics of helium gas sorption by a C₆₀ powder and subsequent desorption of the ⁴He impurity from the saturated powder has been investigated in the temperature interval 2–292 K. Evidence is obtained that supports the existence of two stages in the temperature dependences of sorption and desorption. The stages account for the different times taken by helium to occupy the octahedral and tetrahedral interstices in the C₆₀ lattice. The characteristic times of sorption and desorption coincide. It is found that the temperature dependences of the characteristic times of occupying the octahedral and tetrahedral interstices are nonmonotonic. As the temperature is lowered from 292 to 79.3 K, the characteristic times increase, which indicates a predominance of thermally activated diffusion of helium in C₆₀. On a further decrease to T = 10 K the characteristic times reduce over an order of magnitude. Below 8 K the characteristic times of sorption and desorption are temperature-independent. This suggests a tunnel character of ⁴He diffusion in C₆₀. uk_UA
dc.description.sponsorship The authors are indebted to Prof. L.A. Pastur for fruitful discussions. 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 Наноструктуры при низких температурах uk_UA
dc.title Kinetics of ⁴He gas sorption by fullerite C₆₀. Quantum effects uk_UA
dc.type Article uk_UA
dc.status published earlier uk_UA


Файли у цій статті

Ця стаття з'являється у наступних колекціях

Показати простий запис статті

Пошук


Розширений пошук

Перегляд

Мій обліковий запис