Elbio Dagotto

Nanoscale Phase Separation and Colossal Magnetoresistance (eBook, PDF)

The Physics of Manganites and Related Compounds

• Format: PDF

Produktbeschreibung

The study of the spontaneous formation of nanostructures in single crystals is rapidly developing into a dominant field of research in the subject area known as strongly correlated electrons. The structures appear to originate in the competition of phases. This book addresses nanoscale phase separation, focusing on the manganese oxides with colossal magnetoresistance (CMR). The text argues that nanostructures are at the heart of the CMR phenomenon. Other compounds are also addressed, such as high-temperature superconductors, where similar nanostructures exist. Brief contributions by distinguished researchers are also included. The book contains updated information directed at experts, both theorists and experimentalists. Beginning graduate students or postdocs will also benefit from the introductory material of the early chapters, and the book can be used as a reference for an advanced graduate course.

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Produktdetails

• Verlag: Springer Berlin Heidelberg
• Seitenzahl: 459
• Erscheinungstermin: 14. März 2013
• Englisch
• ISBN-13: 9783662052440
• Artikelnr.: 53106400

Autorenporträt

Elbio Dagotto, Florida State University, Tallahassee, FL, USA

Inhaltsangabe

1. Why Manganites Are Interesting.- 2. The Discovery of Manganites and the Colossal Magnetoresistance Effect.- 3. Phase Diagrams and Basic Properties of Manganites.- 4. Preliminary Theoretical Considerations: Coulombic and Jahn Teller Effects.- 5. Models for Manganites.- 6. The One-Orbital Model: Phase Diagram and Dominant Correlations.- 7. Monte Carlo Simulations and Application to Manganite Models.- 8. Mean-Field Approximation.- 9. Two-Orbitals Model and Orbital Order.- 10. Charge Ordering: CE-States, Stripes, and Bi-Stripes.- 11. Inhomogeneities in Manganites: The Case of La1?xCaxMnO3.- 12. Optical Conductivity.- 13. Glassy Behavior and Time-Dependent Phenomena.- 14. Inhomogeneities in La1?xSrxMnO3 and Pr1?xCaxMnO3.- 15. Inhomogeneities in Layered Manganites.- 16. An Elementary Introduction to Percolation.- 17. Competition of Phases as the Origin of the CMR.- 18. Pseudogaps and Photoemission Experiments.- 19. Charge-Ordered Nanoclusters above TC: the Smoking Gun of Phase Separation?.- 20. Other Compounds with Large MR and/or Competing FM AF Phases.- 21. Brief Introduction to Giant Magnetoresistance (GMR).- 22. Discussion and Open Questions.- References.

Rezensionen

From the reviews: "Dagotto has authored a fascinating book that comprehensively presents both the physical properties of manganites and our theoretical understanding of these unusual properties. ... the publishers have, as usual, produced a durable volume which is well bound, nicely typeset, and nicely illustrated with many useful figures ... . This is a volume that will prove useful for many years and that will also survive extensive use ... . As such it is highly recommended to the reader who wants an in-depth view of the manganites." (Gary J. Long and Fernande Grandjean, Physicalia, Vol. 57 (2), 2005) "The book of E. Dagotto, being an original introduction to the physics of manganites, is focused mainly on the problem of nanoscale phase separation of these materials. ... The book ... provides a solid knowledge of the foundations of the correlation effects and the present status of the field. ... this book will be also of a great value for researchers already working in the field of strongly correlated systems as well as for these who are interested in new materials for the spintronics." (G. B. Teitel'baum, Applied Magnetic Resonance, Vol. 24 (2), 2003)