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This book describes the applications of the fundamental interactions of
electromagnetic waves and materials as described in the preceding volume, “Basic
Electromagnetism and Materials”. It is addressed to students studying masters or
doctorate courses in electronics, electromagnetism, applied physics, materials
physics, or chemical physics. In particular, this volume analyzes the behavior of
materials in the presence of an electromagnetic field and related applications in the
fields of electronics, optics, and materials physics. The study of the fundamental
processes due to electromagnetic fields is detailed and includes processes of
radiation, intense fields (including the electrooptical effect), and confined media
and of those related to particle mechanics that are used in large-scale apparatuses.
The first three chapters are dedicated to the description of materials placed
under a varying electric field. The material is treated particularly from the viewpoint
of a dielectrician, with the classic representations (sometimes termed as in the
complex plane) of Debye, Cole􀀐Cole, and Cole􀀐Davidson. The origins of the
relaxation mechanisms in the Hertzian domain due to slow-moving charges, such as
space charges, bound charges associated with permanent dipoles, and electrons
trapped in insulators or semiconductors are treated. A study of the latter material
makes possible a determination of the energy associated with trap depths, an
important value for electricians, semiconductor optoelectricians, dielectricians, and
opticians (through fluorescence studies).
The second chapter details the relations between components for conductivity
and dielectric permittivity. They show, among other things, that a material is never
an ideal (perfect) conductor or insulator. For a material subject to an electromagnetic
wave, there are simple relations between these two components written in a complex
form to take into account the realities of the materials. Spectroscopic analysis is
notably detailed.
André Moliton, Applied Electromagnetism and Materials, (Springer 2006).rar
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