Phonons: Theory and Experiments II

1. Introduction.- 1.1 General Remarks.- 1.2 Infrared Spectroscopy.- 1.3 Raman Spectroscopy.- 1.4 Brillouin Spectroscopy.- 1.5 Interactions of X-Rays with Phonons.- 1.6 Inelastic Neutron Scattering.- 1.7 Other Techniques.- 2. Infrared Spectroscopy.- 2.1 Experimental Techniques.- 2.2 Dielectric Properties: Classical Treatment.- 2.3 Quantum-Mechanical Treatment of the Dielectric Constant.- 2.4 Problems.- 3. Raman Spectroscopy.- 3.1 Experimental Techniques.- 3.2 Classical Theory.- 3.3 Quantum Theory.- 3.4 Problems.- 4. Brillouin Spectroscopy.- 4.1 Experimental Techniques.- 4.2 Kinematics and Origin of Brillouin Scattering.- 4.3 Strain Dependence of Dielectric Constant.- 4.4 Intensities of Brillouin Components.- 4.5 Problems.- 5. Interaction of X-Rays with Phonons.- 5.1 The Static Approximation.- 5.2 Experimental Technique.- 5.3 Interaction Mechanism.- 5.4 Scattering by a Perfectly Ordered Crystal.- 5.5 Thermal Diffuse Scattering for a Bravais Crystal.- 5.6 Thermal Scattering for a Crystal with Basis.- 5.7 The Debye-Waller Factor.- 5.8 Problems.- 6. Inelastic Neutron Scattering.- 6.1 Basic Properties.- 6.2 Phonon Dispersion-Relation Measurements.- 6.3 Phonon Density of States Measurements.- 7. Other Techniques.- 7.1 Ultrasonic Methods.- 7.2 Inelastic Electron Tunneling Spectroscopy.- 7.3 Point Contact Spectroscopy.- 7.4 Spectroscopy of Surface Phonons, Thin Films and Adsorbates.- Appendices.- A. Michelson Interferometer.- B. Classical Optics.- B.1 Interaction of Electromagnetic Waves with Lattice Vibrations.- B.2 Reflection at a Surface of an Infinitely Thick Medium.- B.4 Determination of Optical Constants from Reflectivity Measurements Using Polarized Light at Non-Normal Incidence.- C. Second-Order Dipole Moment.- E. Power Spectrum.- F. Placzek's Approximation.- F.1Perturbed Wavefunction.- F.2 Placzek's Approximation.- G. The Laue Interference Function.- H. Thermal Diffuse Scattering of X-Rays.- H.2 The Evaluation of the Scattered Intensity.- H.3 The Debye-Waller