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El. knyga: Frontiers in Magnetic Materials

  • Formatas: PDF+DRM
  • Išleidimo metai: 17-Oct-2005
  • Leidėjas: Springer-Verlag Berlin and Heidelberg GmbH & Co. K
  • Kalba: eng
  • ISBN-13: 9783540272847
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  • Formatas: PDF+DRM
  • Išleidimo metai: 17-Oct-2005
  • Leidėjas: Springer-Verlag Berlin and Heidelberg GmbH & Co. K
  • Kalba: eng
  • ISBN-13: 9783540272847
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Frontiers in Magnetic Materials focuses on the current achievements and state-of-the-art advancements in magnetic materials. Several lines of development- High-Tc Superconductivity, Nanotechnology and refined experimental techniques among them – raised knowledge and interest in magnetic materials remarkably. The book comprises 24 chapters on the most relevant topics written by renowned international experts in the field. It is of central interest to researchers and specialists in Physics and Materials Science, both in academic and industrial research, as well as advanced students.

Contributors v
Preface xv
Modern Methods for Investigating Magnetism
William D. Brewer
Introduction
1(1)
Topics Treatesd
2(1)
Modern Methods
2(34)
Conclusions
36(1)
References
37(6)
Probing Magnetic Phases in Different Systems Using Linear and Non Linear Susceptibility
A. Banerjee
A. Bajpai
Sunil Nair
Introduction
43(3)
Probing Spin Glass and Superparamagnetic Systems
46(7)
Probing Long Range Ordering
53(10)
Investigating Weakened Charge Ordered State and Electronic Phase Separation
63(5)
References
68(3)
Transmission Electron Microscopy Study on Manganese Oxides
T. Asaka
T. Nagai
K. Kimoto
Y. Matsui
Introduction
71(3)
Experiments
74(1)
Results and Discussion
75(18)
Conclusion
93(1)
References
94(3)
Single Crystals of Bilayer Manganites
D. Prabhakaran
A.T. Boothroyd
Introduction
97(3)
Experimental Details
100(1)
Results and Discussion
101(11)
Conclusions
112(1)
References
113(4)
Gutzwiller-Correlated Wave Functions: Application to Ferromagnetic Nickel
Jorg Bunemann
Florian Gebhard
Torsten Ohm
StefanWeiser
Werner Weber
Introduction
117(3)
Gutzwiller Variational Theory
120(4)
Results for Ferromagnetic Nickel
124(11)
Diagrammatic Approach
135(3)
Exact Results for Infinite Coordination Number
138(3)
Variational Ground-State Energy
141(4)
Landau-Gutzwiller Quasi-particles
145(3)
Outlook
148(1)
References
149(4)
Chemistry of Half-Metallic and Related Cation Ordered Double Perovskites
M. Karppinen
H. Yamauchi
Introduction
153(2)
Cation Ordering in the Perovskite Structure
155(2)
B-Site Ordered Double Perovskites
157(14)
A-Site Ordered Double Perovskites
171(8)
References
179(6)
Dilute Magnetic Semiconductors
Jairo Sinova
Tomas Jungwirth
Introduction
185(2)
The Basic Picture of DMS
187(2)
Theoretical Models of DMS
189(2)
Transport Properties of DMS Systems
191(14)
Summary
205(1)
References
205(4)
Unconventional Magnetism in Carbon Based Materials
Tatiana Makarova
Introduction
209(1)
Magnetic Properties of Diamond and Graphite
209(3)
Graphite with Structural Defects
212(9)
Experimental Data on High Temperature Magnetism in Graphitic Carbons
221(7)
Nanotubes
228(1)
Fullerenes
229(7)
The Role of Impurities in the Magnetism of Carbon Structures
236(5)
Possible Applications of Magnetic Carbon
241(1)
References
242(5)
Orbital and Spin Order in the Triangular S=1/2 Layered Compound (Li,Na)NiO2
S. de Brion
M.D. Nunez-Regueiro
G. Chouteau
Introduction
247(3)
Orbital Properties of NaNiO2
250(2)
Orbital Properties of LiNiO2
252(3)
Magnetic Properties of NaNiO2
255(1)
Magnetic Properties of LiNiO2
256(9)
Solid Solution of Li1-xNaxNiO2
265(3)
Conclusion
268(3)
References
271(2)
Structures and Electromagnetic Properties of the A-Site Ordered Perovskite Manganite
Y. Ueda
T. Nakajima
Introduction
273(2)
Sample Preparation
275(1)
The A-Site Ordered Manganites RBaMn2O6
276(9)
The A-Site Disordered Manganites R0.5Ba0.5MnO3
285(7)
Summary
292(1)
References
293(2)
The Limits to Spin-Polarization in Finite-Temperature Half-Metallic Ferromagnets
P.A. Dowben
S.J. Jenkins
Introduction
295(1)
The Problem with Magnons
296(3)
The Problem with Spin-Polaronic Non-quasiparticle States
299(1)
The Problem of Magnon-Phonon Coupling
300(5)
The Problem of Interfaces
305(4)
The Problem of Interface Composition
309(5)
Experimental Proof Half-Metallic Character ?
314(3)
Summary
317(2)
References
319(8)
Layered Cobalt Oxides as a Thermoelecric Material
Ichiro Terasaki
Introduction
327(1)
Brief Summary of Thermoelectrics
328(4)
Layered Cobalt Oxides
332(6)
Origin of the Large Thermopower
338(1)
Unconventional Electronic States
339(4)
Summary and Future Prospects
343(1)
References
344(3)
Commensurate and Incommensurate Magnetism in Layered Antiferromagnets
J. Chovan
N. Papanicolaou
Introduction
347(2)
Symmetry Constraints in Ba2CuGe2O7
349(3)
The KSEA Limit
352(1)
Commensurate Phase
352(3)
Nonlinear σ Model
355(2)
Dynamics of the Commensurate Phase
357(4)
Incommensurate Phases
361(10)
In-Plane Magnetic Field
371(3)
Magnetic Properties of K2V3O8
374(7)
Conclusion
381(2)
References
383(2)
Magnetism in Highly Anisotropic Borates: Experiment and Theory
M.A. Continentino
J.C. Fernandes
R.B. Guimaraes
B. Boechat
A. Saguia
Introduction
385(1)
The Anhydrous Borates
386(2)
Magnetic Properties
388(6)
Charge Ordering and Structural Transition
394(2)
Random Magnetic Chains
396(14)
References
410(5)
Metal-Insulator Transition and Magnetoresistance in Manganite Thin Films: Lattice Strain and Disorder Effects
V. Moshnyaga
Introduction
415(2)
Basic Properties of Perovskite Manganits
417(6)
Metalorganic Aerosol Deposition (MAD) Technique
423(2)
Magnetotransport in Single La0.7(Ca,Sr)0.3MnO3 Films
425(11)
Nanocomposite Manganite Based Films
436(8)
Photoinduced Electronic Inhomogeneity in Manganite Films
444(7)
Summary and Outlook
451(3)
References
454(5)
Magnetism of Interacting Two-Dimensional Nanostructures
P. J. Jensen
K. H. Bennemann
Introduction
459(4)
The Model System
463(2)
Two Dimensional Disordered Particle Ensembles
465(8)
Dipole Coupled Magnetic Particles Located on Hollow Microspheres
473(7)
Growth of Thin Magnetic Films
480(7)
Conclusion and Outlook
487(3)
Appendix A: Dipole Energy and Blocking Temperature
490(2)
Appendix B: Cluster Monte Carlo Method
492(2)
References
494(9)
Surface and Interface Magnetism on the Atomic Scale
H. H. Bertschat
Introduction
503(1)
Motivation
503(2)
Historical Survey
505(2)
Three Types of Principal Experiments
507(1)
Combined Hyperfine Interactions and Perturbed Angular Correlation Spectroscopy (PAC)
508(3)
Sample Preparation and Measurements at the Online Mass Separator ISOLDE/CERN
511(2)
Adatoms on Ferromagnetic Surfaces
513(3)
Coordination-Number Dependence of Magnetic Hyperfine Fields at Cd Impurities on Ni Surfaces
516(5)
Symmetry Independence of Impurity-Induced Magnetic Units
521(2)
Mixed Coordination Numbers
523(2)
Conclusions and Outlook
525(2)
References
527(4)
Magneto-Superconductivity of Rutheno-Cuprates
V.P.S. Awana
Introduction
531(3)
Experimental Details
534(1)
Results and Discussion
535(32)
Summary and Concluding Remarks
567(3)
References
570(3)
Superconductivity and Magnetism in Ladder and Chain Compounds-Physics of (Sr,Ca)14Cu24O41
M. Uehara
N. Motoyama
M. Matsuda
H. Eisaki
J. Akimitsu
Introduction
573(6)
Magnetism in the Edge-Sharing CuO2 Chains
579(8)
Physical Properties of Two-Leg Ladders in (Sr,Ca)14Cu24O41 Under Ambient Pressure
587(8)
Physical Properties of Two-Leg Ladders in (Sr,Ca)14Cu24O41 Under High Pressure
595(8)
Summary of Spin Gap and Superconductivity of Two-Leg Ladder
603(3)
References
606(5)
An Experimental Realization of the Shastry-Sutherland Model
Hiroshi Kageyama
Introduction
611(2)
Geometrically Frustrated Spin Models
613(3)
Crystal Structure
616(1)
Single Crystal Growth
617(2)
Spin-Gap Formation
619(3)
Exact Dimer Singlet Ground State
622(2)
Three-Dimensional-Shastry-Sutherland Lattice
624(4)
Quantum Phase Transition at Zero Field
628(2)
Extremely Localized Triplet Excitations
630(3)
Multi-triplet Excitations
633(3)
Quantized Magnetization Plateaus
636(5)
Dzyaloshinsky--Moriya Interaction
641(3)
Search for New Shastry-Sutherland Compounds
644(2)
Conclusions
646(2)
References
648(5)
Collective Spin and Charge Excitations in (Sr,La)14-xCaxCu24O41 Quantum Spin Ladders
A. Gozar
G. Blumberg
(Sr,La)14-xCaxCu24O41: The Structure and General Properties
653(2)
Magnetic Properties of Sr14Cu24O41
655(11)
Effects of Temperature and Ca(La) Substitution on the Phononic and Magnetic Excitations in Sr14Cu24O41
666(8)
Density-Wave Correlations in Doped Two-Leg Ladders
674(18)
Summary
692(1)
References
693(4)
Electronic Properties of α' -- NaV2O5
A. Gozar
G. Blumberg
General Properties of α'-NaV2O5 and Motivation for a Spectroscopic Study
697(5)
Magnetic Raman Continuum in the High Temperature Phase (T > 34 K)
702(15)
Collective Excitations in the Low Temperature Phase of NaV2O5 (T < 34 K)
717(15)
Summary
732(1)
References
733(2)
Collective Magnetic Excitations in SrCu2(BO3)2
A. Gozar
G. Blumberg
Introduction: Why SrCu2(BO3)2
735(3)
Low Temperature Phononic Spectra in SrCu2(BO3)2
738(3)
Magnetic Properties of SrCu2(BO3)2
741(12)
Summary
753(1)
References
754(1)
Magnetic and Charge Correlations in La2-x-yNdySrxCuO4: Raman Scattering Study
A. Gozar
Seiki Komiya
Yoichi Ando
G. Blumberg
The Phase Diagram and Structural Properties of the High Temperature Superconductor La2-xSrxCuO4
755(3)
Magnetic and Electronic Properties of Macroscopically Orthorhombic La2-xSrxCuO4 at Light Doping (0 < x < 0.03)
758(18)
Spin and Lattice Dynamics at Commensurate x=1/8 Sr Doping in La2-x-yNdySrxCuO4
776(10)
Summary
786(1)
References
787(4)
Subject Index 791