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Oscillatory electron-phonon coupling in ultra-thin silver films on V(100)
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UNSPECIFIED (2000) Oscillatory electron-phonon coupling in ultra-thin silver films on V(100). JOURNAL OF PHYSICS-CONDENSED MATTER, 12 (28). L477-L482.
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Abstract
The temperature dependence of peak widths in high-resolution angle-resolved photoelectron spectroscopy from quantum well states in ultra-thin Ag films on V(100) has been used to determine the electron-phonon coupling constant, lambda, for films of thickness 1-8 layers. A strong oscillatory variation in coupling strength is observed as a function of film thickness, peaking at a two layer film for which lambda similar or equal to 1.0. A simple theory incorporating interaction of the photo-hole with the thermal vibrations of the potential step at the adlayer-vacuum interface is shown to reproduce the main features of these results.
Item Type: | Journal Item | ||||
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Subjects: | Q Science > QC Physics | ||||
Journal or Publication Title: | JOURNAL OF PHYSICS-CONDENSED MATTER | ||||
Publisher: | IOP PUBLISHING LTD | ||||
ISSN: | 0953-8984 | ||||
Official Date: | 17 July 2000 | ||||
Dates: |
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Volume: | 12 | ||||
Number: | 28 | ||||
Number of Pages: | 6 | ||||
Page Range: | L477-L482 | ||||
Publication Status: | Published |
Data sourced from Thomson Reuters' Web of Knowledge
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