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E-book
Author Nagaev, Ėduard Leonovich

Title Colossal magnetoresistance and phase separation in magnetic semiconductors / Eduard L. Nagaev
Published London : Imperial College Press ; River Edge, NJ : Distributed by World Scientific Pub., ©2002

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Description 1 online resource (xvi, 457 pages) : illustrations, portrait
Contents Ch. 1. Introduction and necessary information about non-magnetic semiconductors and insulating magnetic systems. 1.1. Introduction. 1.2. Some basic notions of semiconductor physics. 1.3. Some basic notions of the physics of magnetic phenomena -- ch. 2. Principles of theory of conducting magnetic systems. 2.1. Magnetic Hamiltonians of conducting magnetic systems. 2.2. Effect of magnetic ordering on energy of charge carriers. 2.3. Double exchange. 2.4. RKKY indirect exchange. 2.5. Non-Heisenberg exchange in magnetic semiconductors -- ch. 3 Non-degenerate ferromagnetic semiconductors. 3.1. Experimental data. 3.2. Theory: free charge carrier energy spectrum and giant optical red shift. 3.3. Magnetoimpurity theory of non-degenerate ferromagnetic semiconductors -- ch. 4. Non-degenerate antiferromagnetic semiconductors and self-trapped states. 4.1. Experimental data. 4.2. Electron energies in uniform two-sublattice structures. Magnetic strings. 4.3. Ferrons. 4.4. Magnetoimpurity theory of non-degenerate antiferromagnetic and paramagnetic semiconductors -- ch. 5. Degenerate ferromagnetic semiconductors. 5.1. Magnetic properties. 5.2. Resistivity and magnetoresistance of degenerate ferromagnetic semiconductors. 5.3. Magnetoimpurity theory of resistivity peak and colossal magnetoresistance. 5.4. Oxygen off-stoichiometry insulator-to-metal transition and isotope effects in degenerate semiconductors. 5.5. The inverse magnetoelectric effect and magnetoelectric waves. 5.6. Surface magnetoelectric effects -- ch. 6. Degenerate antiferromagnetic semiconductors and phase separation. 6.1. Instability range of collinear magnetic structures. 6.2. Instability of canted antiferromagnetic ordering. 6.3. Electron-magnetic phase separation. 6.4. Magnetic-impurity phase separation -- ch. 7. Lanthanum manganites. 7.1. Crystallographic properties of undoped lanthanum manganites. 7.2. Magnetic properties of manganites. 7.3. Non-uniform states intermediate between ferromagnetic and antiferromagnetic. 7.4. Overdoped samples: charge ordering and stripes. 7.5. Underdoped samples: charge ordering and the problem of an insulating ferromagnetic state. 7.6. Transport and magnetotransport properties of the La manganites -- ch. 8. Other manganites. 8.1. Pr-based manganites. 8.2. Nd-based and less common manganites. 8.3. Layered magnetic manganites -- ch. 9. Specific effects and theory of manganites. 9.1. Photoinduced insulator-metal transition in manganites. 9.2. The oxygen isotope effect in the manganites. 9.3. Theories of manganites
Summary Colossal magnetoresistance materials, to which manganites and conventional ferromagnetic semiconductors belong, draw great attention because of their intriguing physical properties and the excellent prospects for their practical applications in electronic devices. In addition, magnetic semiconductors are basic materials for high-temperature conductors, and it is impossible to construct a theory of the latter without elucidating properties of the former. This book presents theoretical and experimental results on manganites and conventional magnetic semiconductors, with emphasis on the former. It is addressed mainly to researchers dealing with manganites or high-temperature superconductors, but is also useful for undergraduate and graduate students
Bibliography Includes bibliographical references (pages 431-453) and index
Notes Print version record
Subject Magnetic semiconductors.
Magnetoresistance.
Manganite.
SCIENCE -- Physics -- Electricity.
Magnetic semiconductors
Magnetoresistance
Manganite
Magnetischer Halbleiter
Riesenmagnetowiderstand
Form Electronic book
ISBN 9781860949661
1860949665
1281869430
9781281869432