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The physics of transition metal oxides has become a central topic of interest to condensed-matter scientists ever since high temperature superconductivity was discovered in hole-doped cuprates with perovskite-like structures. Although the renewed interest in hole-doped perovskite manganites following the discovery of their colossal magnetoresistance (CMR) properties, began in 1993 about a decade after the discovery of high temperature superconductivity, their first investigation started as early as 1950 and basic theoretical ideas were developed during 1951-1960. Experience in sample preparation and characterization, and in growth of single crystals and epitaxial thin films, gained during the research on high temperature superconductors, and the development of theoretical tools, were very efficiently used in research on CMR manganites. In early nineties it appeared to many condensed matter physicists that although the problem of high temperature superconductivity is a difficult one to solve, a quantitative understanding of CMR phenomena might be well within reach. This book is intended to be an account of the latest developments in the phys ics of CMR manganites. When I planned this book back in 2000, I thought that research on the physics of CMR manganites would be more or less consolidated by the time this would be published. I was obviously very optimistic indeed. We are now in 2003 and we still do not have a quantitative understanding of the central CMR effect. Meanwhile the field has expanded. It is still a very active field of research on both the experimental and theoretical fronts."
Neutron Scattering from Magnetic Materials is a comprehensive
account of the present state of the art in the use of the neutron
scattering for the study of magnetic materials. The chapters have
been written by well-known researchers who are at the forefront of
this field and have contributed directly to the development of the
techniques described. Neutron scattering probes magnetic phenomena
directly. The generalized magnetic susceptibility, which can be
expressed as a function of wave vector and energy, contains all the
information there is to know about the statics and dynamics of a
magnetic system and this quantity is directly related to the
neutron scattering cross section. Polarized neutron scattering
techniques raise the sophistication of measurements to even greater
levels and gives additional information in many cases. The present
book is largely devoted to the application of polarized neutron
scattering to the study of magnetic materials. It will be of
particular interest to graduate students and researchers who plan
to investigate magnetic materials using neutron scattering.
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