Sökning: WFRF:(Bagatskii M. I.) > Low-temperature hea...
Fältnamn | Indikatorer | Metadata |
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000 | 03366naa a2200517 4500 | |
001 | oai:DiVA.org:umu-52859 | |
003 | SwePub | |
008 | 120305s2012 | |||||||||||000 ||eng| | |
024 | 7 | a https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-528592 URI |
024 | 7 | a https://doi.org/10.1063/1.36772372 DOI |
040 | a (SwePub)umu | |
041 | a engb eng | |
042 | 9 SwePub | |
072 | 7 | a ref2 swepub-contenttype |
072 | 7 | a art2 swepub-publicationtype |
100 | 1 | a Bagatskii, M. I.4 aut |
245 | 1 0 | a Low-temperature heat capacity of fullerite C-60 doped with deuteromethane |
264 | 1 | a Melville, NY :b American Institute of Physics (AIP),c 2012 |
338 | a electronic2 rdacarrier | |
500 | a Simultaneous publication in Fizika Nizkikh Temperatur vol 38, issue 1, pages 87-94 (2012). | |
520 | a The heat capacity C of fullerite doped with deuteromethane (CD4)(0.4)(C-60) has been investigated in the temperature interval 1.2-120K. The contribution Delta C-CD4 of the CD4 molecules to the heat capacity C has been isolated. It is shown that at T approximate to 120K the rotational motion of CD4 molecules in the octahedral voids of the C-60 lattice is weakly hindered. When the temperature is lowered to 80K, the rotational motion of the CD4 molecules changes from weakly hindered rotation to libration. In the range T = 1.2-30 K, Delta C-CD4 is described quite accurately by the sum of contributions from the translational and librational vibrations and tunneling rotation of CD4 molecules. The contribution of tunneling rotation to the heat capacity Delta C-CD4(T) is dominant below 5K. The effect of nuclear-spin conversion of the CD4 molecules on the heat capacity has been observed and the characteristic times for nuclear spin conversion between the lowest levels of the A- and T-species of CD4 molecules at T < 5K have been estimated. A feature observed in Delta C-CD4(T) near T = 5.5K is most likely a manifestation of a first-order phase transition in the orientational glass form of the solution. (C) 2012 American Institute of Physics. [doi: 10.1063/1.3677237] | |
650 | 7 | a NATURVETENSKAPx Fysik0 (SwePub)1032 hsv//swe |
650 | 7 | a NATURAL SCIENCESx Physical Sciences0 (SwePub)1032 hsv//eng |
653 | a Fullerite | |
653 | a C60 | |
653 | a deuteromethane | |
653 | a CH4 | |
653 | a CD4 | |
653 | a heat capacity | |
653 | a specific heat capacity | |
653 | a molecular rotation | |
653 | a molecular libration | |
653 | a tunnelling rotation | |
653 | a glass | |
653 | a phase transition | |
653 | a fasta tillståndets fysik | |
653 | a Solid State Physics | |
700 | 1 | a Sumarokov, V. V.4 aut |
700 | 1 | a Dolbin, Alexander V.4 aut |
700 | 1 | a Sundqvist, Bertilu Umeå universitet,Institutionen för fysik4 aut0 (Swepub:umu)besu0001 |
710 | 2 | a Umeå universitetb Institutionen för fysik4 org |
773 | 0 | t Low temperature physics (Woodbury, N.Y., Print)d Melville, NY : American Institute of Physics (AIP)g 38:1, s. 67-73q 38:1<67-73x 1063-777Xx 1090-6517 |
856 | 4 | u https://umu.diva-portal.org/smash/get/diva2:508500/FULLTEXT02.pdfx primaryx Raw objecty fulltext:postprint |
856 | 4 | u http://umu.diva-portal.org/smash/get/diva2:508500/FULLTEXT02 |
856 | 4 8 | u https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-52859 |
856 | 4 8 | u https://doi.org/10.1063/1.3677237 |
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