Measurements are reported of surface plasmon energy and dispersion carried out by electron energy loss spectroscopy on Ag (110) along both high-symmetry crystallographic directions. For small q(parallel-to) the data show a linear and positive dispersion with a strong azimuthal dependence that is twice as large along the [001] direction as along [110BAR].
Surface plasmon on Ag(110): observation of linear and positive Dispersion and azimuthal anisotropy
ROCCA, MARIO AGOSTINO;VALBUSA, UGO
1992-01-01
Abstract
Measurements are reported of surface plasmon energy and dispersion carried out by electron energy loss spectroscopy on Ag (110) along both high-symmetry crystallographic directions. For small q(parallel-to) the data show a linear and positive dispersion with a strong azimuthal dependence that is twice as large along the [001] direction as along [110BAR].
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