Phonons and electron-phonon anomalies in ultra-thin Pb films on Si(111) and Ge(111)
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DOI: 10.1016/j.susc.2018.02.009
Abstract: Abstract The surface phonon dispersion curves of ultrathin (3–6 ML) Pb layers grown on Si(111) and Ge(111) substrates, measured with inelastic He atom scattering, reveal shallow Kohn anomalies in the surface acoustic branches. Ab-initio calculations… read more here.
Keywords: phonons electron; films 111; electron phonon; surface ... See more keywords