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Phonon resonances in adsorbed thin layers

✍ Scribed by P Zieliński; E Oumghar; L Dobrzyński

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
330 KB
Volume
48
Category
Article
ISSN
0042-207X

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✦ Synopsis

The explicit formulae for the Green functions are given for the bulk crystal, for a crystal with surface and for finite-thickness thin layers adsorbeb'on a surface as a function of microscopic interaction parameters. The case of the (0Ol)Fe surface and of epitaxial layers of Won the same surface is studied on the basis of the experimental dispersion curves. The vibrations of atoms at any distance from the surface are characterised by the resulting local density of states. A number of resonances and of antiresonances are found for different depths into the crystal.

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