Journal of Low Temperature Physics

, Volume 121, Issue 5–6, pp 501–506 | Cite as

Specific Heat Measurements of 3He in 3He-4He Mixture Films

  • P.-C. Ho
  • R. B. Hallock


Preliminary data for the heat capacity of 3 He in 3 He- 4 He mixture films on a Nuclepore substrate are reported over the temperature range 90≤T≤165 mK, for 3 He coverages between 0.05 and 1.7 bulk-density atomic layers, and a 4 He film thickness of 4.33 bulk-density atomic layers. In this two-dimensional Fermi liquid system, a step structure appears in the specific heat as a function of 3 He coverage, similar to the step previously observed in the magnetization.


Heat Capacity Film Thickness Magnetic Material Preliminary Data Atomic Layer 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.


  1. 1.
    A. F. Andreev, Sov. Phy. JETP 23, 939 (1966).Google Scholar
  2. 2.
    D. 0. Edwards and W. F. Saam, in Progress in Low Temperature Physics, D. F. Brewer ed. (North-Holland, Amsterdam, 1978), Vol. 7A, Ch. 4, p283. And refences therein.Google Scholar
  3. 3.
    D. S. Sherrill and D. 0. Edwards, Phys. Rev. B 31, 1338 (1985).Google Scholar
  4. 4.
    E. Krotscheck, Phys. Rev. B 32, 5713 (1985). E. Krotscheck, M. Saarela, and J. L. Epstein, Phys. Rev. Lett. 61, 1728 (1988). B. E. Clements, E. Krotscheck, and M. Saarela, Phys. Rev. B 55, 5959 (1997).Google Scholar
  5. 5.
    N. Pavloff and J. Treiner, J. Low Temp. Phys. 83, 331 (1991).Google Scholar
  6. 6.
    B. K. Bhattacharyya, M. J. DiPirro, and F. M. Gasparini, Phys. Rev. B 30, 5029 (1984).Google Scholar
  7. 7.
    B. K. Bhattacharyya and F. M. Gasparini, Phys. Rev. Lett. 49, 919 (1982); B. K. Bhattacharyya and F. M. Gasparini, Phys. Rev. B 31, 2719 (1985).Google Scholar
  8. 8.
    R. H. Higley, D. T. Sprague, and R. B. Hallock, Phy. Rev. Lett. 63, 2570 (1989); Physica B 165–166, 689 (1990).Google Scholar
  9. 9.
    D. T. Sprague, N. A. Alikacem, and R. B. Hallock, Phys. Rev. Lett. 74, 4479 (1995); P.A. Shelton and R. B. Hallock, Phys. Rev. Lett. 77, 2973 (1996).Google Scholar
  10. 10.
    M. Dann, J. Nyeki, B. P. Cowan and J. Saunders, J. Low Temp. Phys. 110,627 (1998); Phys. Rev. Lett. 82 4030 (1999).Google Scholar
  11. 11.
    M. Morishita, H. Naggatani, and H. Fukuyama, J. Low Temp. Phys. 113, 299 (1998).Google Scholar
  12. 12.
    One bulk-density atomic layer is a coverage of 7.72 (6.47) x 1014 atoms/cm2 for 4He (3He).Google Scholar
  13. 13.
    Corning Incorporated Separation Division, 45 Nagog Park, Acton, MA 01720. G. P. Crawford, L. M. Steele, R. Ondris-Crawford, G. S. Iannachione, C. J. Yeager, J. W. Doane, and D. Finotello, J. Chem. Phys. 96, 7788 (1992). K. M. GodShalk and R. B. Hallock, Phys. Rev. B 36, 8294 (1987). T.-P. Chen, M. J. DiPirro, B. Bhattacharyya, and F. M. Gasparini, Rev. Sci. Instrum. 51, 846 (1980).Google Scholar
  14. 14.
    P.-C. Ho and R. B. Hallock, J. Low Temp. Phys., this volume.Google Scholar
  15. 15.
    A reasonable estimate of the empty-cell background derived from linear extrap-olation to zero coverage of the measured total specific heats of the two lowest 3He coverages has been applied to the data.Google Scholar
  16. 16.
    The thickness scale presented here has been normalized to that used in the maganitzation experiments by use of the positions of the beginning of the filling of the first and second excited states.Google Scholar
  17. 17.
    J.M Valles, Jr., R.H. Higley, B.R. Johnson and R.B. Hallock, Phys. Rev. Letters 60, 428 (1988).Google Scholar

Copyright information

© Plenum Publishing Corporation 2000

Authors and Affiliations

  • P.-C. Ho
    • 1
  • R. B. Hallock
    • 1
  1. 1.Laboratory for Low Temperature Physics, Department of PhysicsUniversity of MassachusettsAmherstUSA

Personalised recommendations