Temperature dependence of low energy electron diffraction in pseudoharmonic approximation

Abstract The intensity of electrons scattered by a metallic surface is considered in terms of the surface electron density modulated by lattice vibrations of atoms at the surface. The temperature dependence of thermal vibrations is determined on the basis of the pseudoharmonic approximation for the...

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Publié dans:Acta physica Academiae Scientiarum Hungaricae. - Springer Berlin Heidelberg, 1967. - 51(1981), 3 vom: Juni, Seite 243-258
Auteur principal: Stachulec, A. (Auteur)
Format: Article en ligne
Langue:English
Publié: 1981
Accès à la collection:Acta physica Academiae Scientiarum Hungaricae
Sujets:Copper Surface Translational Symmetry Morse Potential Waller Factor Diffraction Phenomenon
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520 |a Abstract The intensity of electrons scattered by a metallic surface is considered in terms of the surface electron density modulated by lattice vibrations of atoms at the surface. The temperature dependence of thermal vibrations is determined on the basis of the pseudoharmonic approximation for the interatomic interaction. The pseudoharmonic method brings an essential correction to the temperature behaviour of the low energy electron intensity and it seems to be a very useful approach to the description of diffraction phenomena. 
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650 4 |a Waller Factor  |7 (dpeaa)DE-He213 
650 4 |a Diffraction Phenomenon  |7 (dpeaa)DE-He213 
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