Diffusion jumps of single atoms into vacancies in an iron monolayer studied by nuclear resonant scattering
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چکیده
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GRAPHITE SURFACE PHONONS STUDIED THROUGH He ATOMS RESONANT SCATTERING
He atom scattering has been used to study phonon-assi sted bound state resonances and the Debye-Waller Factor for the basal plane of graphite. A dispersion relation is reported for the surface phonons involved in the resonances. The attenuation of the specxlar peak in the temperature range from 20 to 315 K is used to derive the mean-square displacement (u?) of surface atoms, perpendicular to th...
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ژورنال
عنوان ژورنال: Physical Review B
سال: 2009
ISSN: 1098-0121,1550-235X
DOI: 10.1103/physrevb.80.115406