
Sylabus:The course is devoted to the study of dielectric polarization and relaxation phenomena in condensed matter. A basic theory of dielectrics are given. Different experimental technique of dielectric spectroscopy are presented. The application of dielectric spectroscopy to different systems is considered.
The Physics Of Dielectrics 83887
 Lecture 1 Introduction into the physics of dielectrics. Permanent dipole moment. Induced dipole moment. Polarization and dielectric constant. Types of polarization, Electron polarization, Atomic polarization, Orientation polarization. Ionic polarization.
 Lecture 2 Dipole moments and electrostatic problems. Polarizability *. Polarization and energy. Internal field Langeven function. Nonpolar dielctrics. Lorentz's field. ClausiusMassotti formula.
 Lecture 3 Reaction field. Polarization in gases, Debye's Theories, Polar molecules in nonpolar solvent. Onsager's theory. The dielectric properties of polar nonassociative liquids.
 Lecture 4 Statisticalmechanical approach to dielctric theory. KirkwoodFröhlich's equation. The Kirkwood correlation factor. Applications: pure dipole liquids, mixtures, dipolar solids.
 Lecture 5 The modern theories of the static dielectric permittivity (Böttcher, Nienhuis and Deutch, Ramshaw, Wertheim etc.).
 Lecture 6 The theory of linear response. The time dependent fields. The dielectric response function. The dielectric relaxation theory. Frequency and Time Domain.
 Lecture 7 The complex dielectric permittivity. Dielectric losses and dispersion. The distribution functions of the relaxation times. ColeCole distribution. ColeDavidson distribution. HavriliakNehamy and Johnsher distributions.
 Lecture 8 The dipole correlation function. The relationship between the complex dielectric permittivity and the dipole correlation function. Shortrange and long range correlation functions. Fulton's Theory.
 Lecture 9 The memory function. KohlrauschWilliamsWatts (KWW) nonexponetial behavior in complex systems. The fractal nature of dielectric behavior.
 Lecture 10 Dielectric Spectroscopy. Classification of the experimental methods. Frequency methods: Bridges, Resonance methods, Coaxial lines, Waveguedes, Transient methods, Strip lines, etc.
 Lecture 11 Broad Band Dielectric Spectroscopy. A frequency response analyzer (10^{4} Hz  10^{6} Hz), automatic radio  frequency bridge ( 10 Hz  10^{7 }Hz) coaxial line reflectometer (10^{6} Hz  10^{9 }Hz) and coaxial vector network analyzer (10^{7 }Hz  10^{10 }Hz).
 Lecture 12 Time Domain Dielectric Spectroscopy. The single reflection and transition methods. Multiple reflection, transition, lumped capacitance methods. Nonuniform sampling. Furier transform and the time domain treatment.
 Lecture 13 The applications of dielectric spectroscopy. Pure liquids and Solutions. Liquid Crystals. Ferroelectric liquid crystals.
 Lecture 14 Ferroelectrics and Semiconductors. Phase Transitions of the first and second order.

Relevant Literature:
 C.J.F. Boetcher Theory of Electric Polarization 2D ED. 2 volumes 19731978.
 H. Froehlich, Theory of Dielectrics ,1950, reprinted 1992.
 Dielectric and Related Molecular Processes 19721977 (3 v)
 J.B. Hasted Aqueous Dielectrics 1973 5. N.E. Hill Dielectric properties and Molecular Behaviour 1969.
 C.H. L. Goodman, Physics of Dielectrics Solids, 1980
 S. Takashima Electrical Properties of Biopolymers and Membranes 1989.
 E.H. Grant, R.J. Sheppard and G.P.South Dielectric Behaviour of Biological Molecules in Solutions , 1978.
 S.Bone and B.Zaba, Bioelectronics, 1992.