Surface Phonons

1. Introduction.- 2. Surface Acoustic Waves.- 2.1 Surface Acoustic Waves on Various Media.- 2.2 Generation and Detection of Surface Acoustic Waves.- 2.3 Some Applications of Surface Acoustic Waves.- References.- 3. The Green's Function Method in the Surface Lattice Dynamics of Ionic Crystals.- 3.1 Outline of the Time-Independent Green's Function Method.- 3.2 The Green's Function Method in Surface Dynamics.- 3.3 The Intrinsic Perturbation for a Semi-Infinite Lattice.- 3.4 The Electronic Contribution to Surface Dynamics in the Framework of Shell Models.- 3.5 Surface Phonon Polaritons.- 3.6 Surface Vibrations in Alkali Halides.- 3.7 Further Developments: The Study of Surface Phonon Anomalies.- References.- 4. Study of Surface Phonons by the Slab Method.- 4.1 Formalism.- 4.2 Computational Considerations.- 4.3 Interaction Models.- 4.4 Results.- 4.5 Derived Physical Quantities.- 4.6 Concluding Remarks.- References.- 5. Experimental Determination of Surface Phonons by Helium Atom and Electron Energy Loss Spectroscopy.- 5.1 Theoretical Background.- 5.2 Kinematics.- 5.3 Helium Scattering.- 5.4 Electron Scattering.- 5.5 Intensities.- 5.6 Discussion of Experimental Results and Summary.- References.- 6. Theory of Helium Scattering from Surface Phonons.- 6.1 Kinematics.- 6.2 Dynamical Theory: General Considerations.- 6.3 One-Phonon Exchange Processes.- 6.4 The Inelastic Atom-Surface Interaction.- References.- 7. The Study of Surface Phonons by Electron Energy Loss Spectroscopy: Theoretical and Experimental Considerations.- 7.1 A Brief Review.- 7.2 The Surface Phonon Excitation Mechanism in the Impact Regime.- 7.3 The Green's Function Approach to Spectral Density Calculations.- 7.4 Calculations of the Cross Section for Surface Phonon Excitation.- 7.5 Concluding Remarks.-References.- 8. Vibrational Properties of Clean Surfaces: Survey of Recent Theoretical and Experimental Results.- 8.1 Ionic Crystals.- 8.2 Metals.- 8.3 Miscellaneous.- References.