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Organic solids exhibit a wide range of electrical and related
properties. They occur as crystals, glasses, polymers and thin
films; they may be insulators, semiconductors, conductors or
superconductors; and they may show luminescence, nonlinear optical
response, and complex dynamical behaviour. The book provides a
broad survey of this area, written by international experts, one
third being drawn from Eastern Europe. Electrical, optical,
spectroscopic and structural aspects are all treated in a way that
gives an excellent introduction to current themes in this highly
interdisciplinary and practically important area. The coverage is
especially strong in the areas where electrical and optical
properties overlap, such as photoconductivity, electroluminescence,
electroabsorption, electro-optics and photorefraction.
In recent interactions with industrial companies it became quite
obvious, that the search for new materials with strong anisotropic
properties are of paramount importance for the development of new
advanced electronic and magnetic devices. The questions concerning
the tailoring of materials with large anisotropic electrical and
thermal conductivity were asked over and over again. It became also
quite clear that the chance to answer these questions and to find
new materials which have these desired properties would demand
close collaborations between scientists from different fields.
Modem techniques ofcontrolled materials synthesis and advances in
measurement and modeling have made clear that multiscale complexity
is intrinsic to complex electronic materials, both organic and
inorganic. A unified approach to classes of these materials is
urgently needed, requiring interdisciplinary input from chemistry,
materials science, and solid state physics. Only in this way can
they be controlled and exploited for increasingly stringent demands
oftechnology. The spatial and temporal complexity is driven by
strong, often competing couplings between spin, charge and lattice
degrees offreedom, which determine structure-function
relationships. The nature of these couplings is a sensitive
function of electron-electron, electron-lattice, and spin-lattice
interactions; noise and disorder, external fields (magnetic,
optical, pressure, etc. ), and dimensionality. In particular, these
physical influences control broken-symmetry ground states (charge
and spin ordered, ferroelectric, superconducting), metal-insulator
transitions, and excitations with respect to broken-symmetries
created by chemical- or photo-doping, especially in the form of
polaronic or excitonic self-trapping.
In recent interactions with industrial companies it became quite
obvious, that the search for new materials with strong anisotropic
properties are of paramount importance for the development of new
advanced electronic and magnetic devices. The questions concerning
the tailoring of materials with large anisotropic electrical and
thermal conductivity were asked over and over again. It became also
quite clear that the chance to answer these questions and to find
new materials which have these desired properties would demand
close collaborations between scientists from different fields.
Modem techniques ofcontrolled materials synthesis and advances in
measurement and modeling have made clear that multiscale complexity
is intrinsic to complex electronic materials, both organic and
inorganic. A unified approach to classes of these materials is
urgently needed, requiring interdisciplinary input from chemistry,
materials science, and solid state physics. Only in this way can
they be controlled and exploited for increasingly stringent demands
oftechnology. The spatial and temporal complexity is driven by
strong, often competing couplings between spin, charge and lattice
degrees offreedom, which determine structure-function
relationships. The nature of these couplings is a sensitive
function of electron-electron, electron-lattice, and spin-lattice
interactions; noise and disorder, external fields (magnetic,
optical, pressure, etc. ), and dimensionality. In particular, these
physical influences control broken-symmetry ground states (charge
and spin ordered, ferroelectric, superconducting), metal-insulator
transitions, and excitations with respect to broken-symmetries
created by chemical- or photo-doping, especially in the form of
polaronic or excitonic self-trapping.
Organic solids exhibit a wide range of electrical and related
properties. They occur as crystals, glasses, polymers and thin
films; they may be insulators, semiconductors, conductors or
superconductors; and they may show luminescence, nonlinear optical
response, and complex dynamical behaviour. The book provides a
broad survey of this area, written by international experts, one
third being drawn from Eastern Europe. Electrical, optical,
spectroscopic and structural aspects are all treated in a way that
gives an excellent introduction to current themes in this highly
interdisciplinary and practically important area. The coverage is
especially strong in the areas where electrical and optical
properties overlap, such as photoconductivity, electroluminescence,
electroabsorption, electro-optics and photorefraction.
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