Numéro |
J. Phys. Colloques
Volume 42, Numéro C6, Décembre 1981
International Conference on Phonon Physics
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Page(s) | C6-852 - C6-854 | |
DOI | https://doi.org/10.1051/jphyscol:19816252 |
International Conference on Phonon Physics
J. Phys. Colloques 42 (1981) C6-852-C6-854
DOI: 10.1051/jphyscol:19816252
California Institute of Technology, Pasadena, CA 91125, U.S.A.
J. Phys. Colloques 42 (1981) C6-852-C6-854
DOI: 10.1051/jphyscol:19816252
TIME CONSTANT FOR PHONON INDUCED DESORPTION OF HELIUM
P. Taborek, M. Sinvani, M. Weimer et D. GoodsteinCalifornia Institute of Technology, Pasadena, CA 91125, U.S.A.
Abstract
We have made direct measurements of the time constant for thermal desorption of thin helium films as a function of substrate temperature and film binding energy. We find that the attempt frequency for desorption τ0-1 is several orders of magnitude larger than previously reported values.