Preliminary heat-capacity measurements of 2D solid 3He adsorbed on graphite preplated with 4He

Yosuke Matsumoto, S. Murakawa, D. Tsuji, C. Bäuerle, H. Kambara, Hiroshi Fukuyama

Research output: Contribution to journalArticle

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Abstract

We describe preliminary results of heat capacity measurements of the 4/7 phase in two dimensional 3He adsorbed on graphite preplated with a 4He monolayer in a temperature range between 0.17 and 20 mK. In zero magnetic field, we observed a double-peak structure similar to that reported previously for the same phase in a different system (3 He/3 He/gr) in which the gapless quantum spin-liquid ground state is proposed. The exchange interaction deduced from the high temperature data is by a factor of 30% smaller than the previous one, presumably because of the smaller lattice constant for the 3He/4He/gr system. The present result provides strong evidence that such a peculiar temperature dependence of heat capacity is characteristic of the 4/7 phase. Application of magnetic fields up to 0.65 T on this phase does not seem to change appreciably the higher temperature broad peak at around 1.4 mK.

Original languageEnglish
Pages (from-to)61-66
Number of pages6
JournalJournal of Low Temperature Physics
Volume134
Issue number1-2
Publication statusPublished - 2004 Jan

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Specific heat
graphite
specific heat
magnetic fields
Magnetic fields
Temperature
temperature dependence
ground state
Exchange interactions
liquids
Ground state
Lattice constants
Monolayers
interactions
temperature
Liquids

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

Cite this

Matsumoto, Y., Murakawa, S., Tsuji, D., Bäuerle, C., Kambara, H., & Fukuyama, H. (2004). Preliminary heat-capacity measurements of 2D solid 3He adsorbed on graphite preplated with 4He. Journal of Low Temperature Physics, 134(1-2), 61-66.

Preliminary heat-capacity measurements of 2D solid 3He adsorbed on graphite preplated with 4He. / Matsumoto, Yosuke; Murakawa, S.; Tsuji, D.; Bäuerle, C.; Kambara, H.; Fukuyama, Hiroshi.

In: Journal of Low Temperature Physics, Vol. 134, No. 1-2, 01.2004, p. 61-66.

Research output: Contribution to journalArticle

Matsumoto, Y, Murakawa, S, Tsuji, D, Bäuerle, C, Kambara, H & Fukuyama, H 2004, 'Preliminary heat-capacity measurements of 2D solid 3He adsorbed on graphite preplated with 4He', Journal of Low Temperature Physics, vol. 134, no. 1-2, pp. 61-66.
Matsumoto Y, Murakawa S, Tsuji D, Bäuerle C, Kambara H, Fukuyama H. Preliminary heat-capacity measurements of 2D solid 3He adsorbed on graphite preplated with 4He. Journal of Low Temperature Physics. 2004 Jan;134(1-2):61-66.
Matsumoto, Yosuke ; Murakawa, S. ; Tsuji, D. ; Bäuerle, C. ; Kambara, H. ; Fukuyama, Hiroshi. / Preliminary heat-capacity measurements of 2D solid 3He adsorbed on graphite preplated with 4He. In: Journal of Low Temperature Physics. 2004 ; Vol. 134, No. 1-2. pp. 61-66.
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