Low-Dimensional Cooperative Phenomena: The Possibility of High-Temperature Superconductivity

ISBN-13: 9781475714012 / Angielski / Miękka / 2012 / 350 str.

H. Keller

Opis

Theoretical and experimental work on solids with low-dimensi- onal cooperative phenomena has been rather explosively expanded in the last few years, and it seems to be quite fashionable to con- tribute to this field, especially to the problem of one-dimensional metals. On the whole, one could divide the huge amount of recent investigations into two parts although there is much overlap bet- ween these regimes, namely investigations on magnetic exchange interactions constrained to mainly one or two dimensions and, secondly, work done on Id metallic solids or linear chain compounds with Id delocalized electrons. There is, of course, overlap from one extreme case to the other with these solids and in some rare cases both phenomena are studied on one and the same crystal. In fact, however, most of the scientific groups in this area could be associated roughly with one of these categories and, in addition, a separation between theoreticians and experimentalists in each of these groups leads to a further splitting of interests although many theories about these solids have been tested by experimenta- lists. Nevertheless, more cooperation and understanding between scientists working on low-dimensional cooperative phenomena should appreciably stimulate further development. With a better inderdis- ciplinary understanding, new ideas could possibly help chemists in synthesizing tailor-cut solids. This would in return give experi- mentalists new phenomena to examine and finally would stimulate new theoretical work.

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Spis treści

Basic Principles and Concepts in the Physics of Low-Dimensional Cooperative Systems.- Theory of the Quasi One-Dimensional Band Conductor.- Exciton Mechanism of Superconductivity.- Magnetic Interactions in Linear Chain Crystals.- One-Electron Theory and the Properties of Simple Tcnq Salts.- The Electronic Properties of TTF-Tcnq.- Thermal and Magnetic Behavior of One-Dimensional Magnets.- Consequences of Exchange in Low-Dimensional Compounds: High Temperature Spin Dynamics as Sampled by Magnetic Resonance.- EPR of Low-Dimensional Systems.- Mixed Valence Chemistry and Metal Chain Compounds.- Electrical Transport and Spectroscopical Studies of the Peierls Transition in K2[Pt(CN)4]Br0.30 3H20.- X-Ray and Neutron Diffraction Studies of the Peierls Instability.- NMR Studies of the Peierls Transition in One-Dimensional Metals.- Structural Aspects of One-Dimensional Metals.- Electrical Properties of Integral Oxidation State Metal Complexes With Columnar Structures.- Electron Transport in Some One-Dimensional Metal Complex Semiconductors.- Preparative Aspects of One-Dimensional Transition Metal Coordination Compounds.