Phonons: Theory and Experiments III

1. Introduction.- 1.1 General Remarks.- 1.2 Piezoelectricity.- 1.3 Ferroelectricity.- 1.4 Thermal Conductivity.- 1.5 Phonons in One-Dimensional Metals.- 1.6 Phonons in Disordered Systems.- 1.7 Ion Dynamics in Superionic Conductors.- 1.8 Melting.- 2. Piezoelectricity.- 2.1 General Remarks.- 2.2 Macroscopic Electroelastic Relations.- 2.3 The Method of Homogeneous Deformations.- 2.4 The Method of Long Waves.- 2.5 Application to Crystals with ZnS-Structure.- 2.6 Problems.- 3. Ferroelectricity.- 3.1 General Properties of Ferroelectric Materials.- 3.2 Classification and Properties of Selected Ferroelectrics.- 3.3 Thermodynamic Theory of Ferroelectrics.- 3.4 Lattice Dynamics of Displacive Ferroelectric Phase Transitions.- 3.5 Lattice Dynamical Models for Ferroelectric Phase Transitions.- 3.6 Soft-Mode Spectroscopy of Selected Ferroelectrics.- 3.7 Quantum Ferroelectrics.- 3.8 Disordered Polar Systems.- 3.9 Problems.- 4. Thermal Conductivity.- 4.1 General Remarks.- 4.2 Experimental Determination of Thermal Conductivity.- 4.3 Lattice Thermal Conductivity: Elementary Kinetic Theory.- 4.4 Formal Theory of Thermal Conductivity.- 4.5 Relaxation Times in Insulators.- 4.6 Thermal Conductivity of Glasses.- 4.7 Thermal Conductivity of Metals and Alloys.- 4.8 Second Sound.- 4.9 Problems.- 5. Phonons in One-Dimensional Metals.- 5.1 Interesting Aspects of One-Dimensional Metals.- 5.2 Basic Properties of One-Dimensional Conductors.- 5.3 The Electronic Susceptibility.- 5.4 The Electron-Phonon Hamiltonian.- 5.5 Discussion of Selected Experiments for KCP.- 5.6 Effects of Fluctuations and Three-Dimensional Coupling.- 6. Phonons in Disordered Systems.- 6.1 The Effects of Defects and Disorder on Phonons.- 6.2 Green Functions.- 6.3 The Linear Chain with Isolated Defects.- 6.4 The Random Binary MassChain.- 6.5 Three-Dimensional Lattices and More Complicated Types of Disorder.- 6.6 Experimental Results and Comparison with Theoretical Calculations.- 7. Ion Dynamics in Superionic Conductors.- 7.1 General Aspects of Superionic Conductors.- 7.2 Basic Facts and Examples of SIC.- 7.3 Ionic Interactions and Dynamical Models.- 7.4 Brownian Motion of a Particle in a Periodic Potential.- 7.5 Disorder-Induced Infrared Absorption and Raman Scattering.- 7.6 Phonons in a-AgI and Other SIC.- 7.7 Lattice Dynamical Calculation of Jump Frequencies.- 8. Melting.- 8.1 Nature of the Melting Transition.- 8.2 Lindemann Relation.- 8.3 Anharmonicity and Instability of the Solid Phase.- Appendix: Constants and Units.- References.