Characterization of ZYX graphite for studies of two-dimensional 3He at ultra-low temperatures

S. Murakawa, Y. Niimi, Y. Matsumoto, C. Bäuerle, Hiroshi Fukuyama

Research output: Contribution to journalConference article

5 Citations (Scopus)

Abstract

So far, theoretically predicted two-dimensional (2D) superfluidity in monolayer 3He has not been observed yet. This may be due to the smaller single crystalline size (≃10 nm) of Grafoil substrate than the expected superfluid coherence length (≥ 100 nm), or pair breaking caused by trapped atoms on substrate heterogeneity. To eliminate these problems, we have made an NMR sample cell using ZYX grade exfoliated graphite substrate. This substrate has at least 10 times larger crystalline size than Grafoil. NMR measurements are now under way to search for possible 2D and quasi 2D superfluidity in 3He thin films.

Original languageEnglish
Pages (from-to)144-145
Number of pages2
JournalPhysica B: Condensed Matter
Volume329-333
DOIs
Publication statusPublished - 2003 May 1
EventProceedings of the 23rd international conference on low temper - Hiroshima, Japan
Duration: 2002 Aug 202002 Aug 27

Keywords

  • Films
  • Superfluid He
  • Two dimensional superfluidity

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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