Phys. Rev. Lett. 49, 919–922 (1982)Observation of Two-Dimensional Phase Separation in 3He-4He FilmsReceived 9 July 1982; published in the issue dated 27 September 1982 New measurements of heat capacity for 3He adsorbed on 4He films are presented. It is found that for the thinnest 4He film used, and starting at a 3He coverage of 0.058 layer, 3.7 × 10-4 Å-2, the data show a very sudden onset of degeneracy. It is found that these data are consistent with phase separation in the two-dimensional layer of 3He at the surface of the 4He film. © 1982 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.49.919
DOI:
10.1103/PhysRevLett.49.919
PACS:
67.60.-g, 64.75.+g, 67.40.Kh
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