Experiments on quantum and thermal desorption from He4 films

D. L. Goodstein; R. Maboudian; F. Scaramuzzi; M. Sinvani; G. Vidali

doi:10.1103/PhysRevLett.54.2034

Experiments on quantum and thermal desorption from He4 films

D. L. Goodstein, R. Maboudian, F. Scaramuzzi, M. Sinvani, G. Vidali

Department of Physics

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

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.

Original language	English (US)
Pages (from-to)	2034-2037
Number of pages	4
Journal	Physical Review Letters
Volume	54
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevLett.54.2034
State	Published - 1985

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.54.2034

Cite this

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title = "Experiments on quantum and thermal desorption from He4 films",

abstract = "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.",

author = "Goodstein, {D. L.} and R. Maboudian and F. Scaramuzzi and M. Sinvani and G. Vidali",

year = "1985",

doi = "10.1103/PhysRevLett.54.2034",

language = "English (US)",

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T1 - Experiments on quantum and thermal desorption from He4 films

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AU - Maboudian, R.

AU - Scaramuzzi, F.

AU - Sinvani, M.

AU - Vidali, G.

PY - 1985

Y1 - 1985

N2 - 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.

AB - 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.

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DO - 10.1103/PhysRevLett.54.2034

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Experiments on quantum and thermal desorption from He4 films

Abstract

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