Quantum Spin Dynamics in Molecular Magnets

The detailed theoretical understanding of quantum spin dynamics in various molecular magnets is an important step on the roadway to technological applications of these systems. Quantum effects in both ferromagnetic and antiferromagnetic molecular clusters

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Springer-Verlag Wien GmbH

Dr. Wolfgang Linert Institute of Applied Synthetic Chemistry, Vienna University of Technology Vienna, Austria

Dr. Michel Verdaguer "Chimie Inorganique et Materiaux MoIeculaires" Laboratory, Pierre et Marie Curie University Paris, France Chairman of the "Molecular Magnets" Programme of the European Science Foundation

This work is subject to copyright. All rights are reserved, whether the whole or part of the material is concemed, specifically those of translation, reprinting, re-use of illustrations, broadcasting, reproduction by photocopying machines or similar means, and storage in data banks. Product Liability: The publisher can give no guarantee for all the information contained in this book. This does also refer to information about drug dosage and application thereof. In every individual case the respective user must check its accuracy by consulting other pharmaceutical literature. The use of registered names, trademarks, etc. in this publication does not imply, even in the absence of a specific statement, that such names are exempt from the relevant protective laws and regulations and therefore free for general use. © 2003 Springer-Verlag Wien Originally published by Springer-Verlag Wien New York in 2003 Softcover reprint of the hardcover 1st edition 2003 Cover illustration: V. Marvaud et al, "High Spin ... ", Fig. 2, page 18, this volume Typesetting: Thomson Press Ltd., Chennai, India Printing: Manz Cross media, A-I051 Wien Binding: Papyrus, A-lIOO Wien Printed on acid-free and chlorine-free bleached paper SPIN: 10896440 With 106 Figures and Tables CIP data applied for

Special Edition of Monatshefte für Chemie/Chemical Monthly Vol. 134, No.2, 2003

ISBN 978-3-7091-7300-8 ISBN 978-3-7091-6018-3 (eBook) DOI 10.1007/978-3-7091-6018-3

Editorial: Molecular Magnets Between magnetochemistry which was measuring magnetism of chemicals with the hope to discover their structures, to molecular magnetism which can be defined as a discipline which conceives, realizes, studies, and uses new molecular materials bearing new but predictable magnetic (and other) physical property, a few decades took place. Instead of going to the laboratory shelves to study the magnetic properties of already existing chemicals, chemists are now designing new (supra)molecular systems to get low density, transparent, biocompatible magnets, bistability, single molecule magnet behaviour, materials whose properties can be changed by temperature, pressure or light, or still molecular objects combining several physical functions (magnetism and conductivity, magnetism and optics ... ). This new field is blossoming in many countries, in North America, in Japan, and in Europe. Different European networks (including a Molecular Magnets programme of the European Science Foundation) were recently very active and produced major results. It is our pleasure to welcome in this volume some of the actors of this scientific saga, which is on the way to transform molecules in useful devices. Our volume opens by a brief and lively h