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Low-energy surface phonons onα-quartz (0001)
2008
Physical Review B
Preserved Fulltext
Calculated surface-phonon dispersion curves for a dry, a partly hydroxylated, and a fully hydroxylated α-quartz (0001) surface are presented and compared with first low-energy inelastic helium-atom scattering measurements. Qualitative agreement between calculations and the observed Rayleigh-wave dispersion curve is achieved for the dry quartz surface. A signature effect is seen in the calculated phonon dispersion curves for the fully hydroxylated surface.
doi:10.1103/physrevb.78.035402
fatcat:6hzeqptezfbkvaigejbh63lebi