Surface and Sub-surface Phonons of Bi(111) Measured with Helium Atom Scattering

Engineering

• Dispersion Curve 100%
• Longitudinal Mode 50%
• Symmetry Direction 50%
• Phonon Interaction 50%
• Induced Surface 50%
• Phonon Dispersion 50%
• Surface Charge Density 50%

Physics

• Surface Layers 33%
• Electron Phonon Interactions 33%