Goodstein, D. L. and Maboudian, R. and Scaramuzzi, F. and Sinvani, M. and Vidali, G. (1985) Experiments on Quantum and Thermal Desorption from 4He Films. Physical Review Letters, 54 (18). pp. 2034-2037. ISSN 0031-9007 http://resolver.caltech.edu/CaltechAUTHORS:GOOprl85
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Desorption of He atoms from thin films may be resolved experimentally into quantum and thermal components. We show that quantum desorption becomes the dominant part of the signal in submonolayer films. We also show that, when all effects of collisions between desorbed atoms are eliminated, quantum desorption is not focused normal to the surface of optically polished sapphire crystals.
|Additional Information:||©1985 The American Physical Society Received 24 January 1985 We would like to thank Milton Cole, Michael Weimer, and Robert Housley for useful discussions, Edward Boud for his technical assistance, and Roman Movshovich for his help in preparing our bolometers. This work was supported in part by the Office of Naval Research, under Contract No. N0014-80-C-0447.|
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|Deposited On:||18 Sep 2007|
|Last Modified:||26 Dec 2012 09:42|
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