Science and Technology of Magnetic Oxides: Volume 494

Overview

With the developing progress of materials fabrication, it is possible to produce materials with exciting electronic and magnetic properties which may be candidates for future device applications. One key class of these materials is the metallic magnetic oxide systems. This book focuses on colossal magnetoresistance (CMR) materials, including manganites and cobalites. Transport and magnetic properties and their dependence on stress, growth conditions, stoichiometry and elemental composition are explored quite ...
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Overview

With the developing progress of materials fabrication, it is possible to produce materials with exciting electronic and magnetic properties which may be candidates for future device applications. One key class of these materials is the metallic magnetic oxide systems. This book focuses on colossal magnetoresistance (CMR) materials, including manganites and cobalites. Transport and magnetic properties and their dependence on stress, growth conditions, stoichiometry and elemental composition are explored quite extensively. However, the large magnetic fields required to obtain the CMR effect have been perceived as a technological roadblock for commercialization of this phenomenon. This has motivated research aimed both at reducing the intrinsic field dependence as well as at developing novel device structures that will reduce the required effective field. Technologically useful devices will undoubtedly involve heterostructures. Since the magnetic and transport properties are extremely stress-dependent, CMR heterostructures will most likely involve other metallic or insulating oxide materials. Materials of interest include half-metallic ferromagnets, yttrium garnet materials and ferrites.
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Editorial Reviews

Booknews
These facsimiles of 48 papers from the December 1997 symposium discuss research on colossal magnetoresistance (CMR) materials, including manganites and cobalites. The device-related research concerns the fabrication and properties of CMR-based spin valves, tunnel junctions, bolometers grown via MBE, pulsed-laser deposition, and spluttering techniques. Other topics include the properties from which the CMR effect originates, and the influence of strain on the magnetic and electronic properties of CMR compounds. Annotation c. by Book News, Inc., Portland, Or.
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Product Details

  • ISBN-13: 9781107413498
  • Publisher: Cambridge University Press
  • Publication date: 6/5/2014
  • Series: MRS Proceedings
  • Pages: 380
  • Product dimensions: 5.98 (w) x 9.02 (h) x 0.79 (d)

Table of Contents

Preface
Acknowledgment
Dry and Wet Etch Processes for NiMnSb, LaCaMnO[subscript 3], and Related Materials 3
Epitaxial Growth Mechanism and Physical Properties of Ultrathin Films of La[subscript 0.6]Sr[subscript 0.4]MnO[subscript 3] 9
Thin-Film Growth and Magnetotransport Study of (La,Sr)MnO[subscript 3] 15
Crystallinity and Magnetoresistance in Calcium-Doped Lanthanum Manganites 21
Microstructural Aspects of Nanocrystalline LiZn Ferrites Densified With Chemically-Derived Additives 27
Lattice Deformation and Magnetic Properties in Epitaxial Thin Films of Sr[subscript 1-x]Ba[subscript x]RuO[subscript 3] 35
Magnetic Anisotropy and Lattice Distortions in the Doped Perovskite Manganites 41
Evidence for a Jahn-Teller Distortion in the CMR Layered Manganite La[subscript 1.4]Sr[subscript 1.6]Mn[subscript 2]O[subscript 7] 53
Mn K-Edge X-ray-Absorption-Spectroscopy (XAS) Studies of La[subscript 1-x]Sr[subscript x]MnO[subscript 3] 59
X-ray-Induced Insulator-Metal Transitions in CMR Manganites 65
Resonant X-ray Fluorescence Spectroscopy at the V L-Edges of Vanadium Oxides 77
Phase Diagram and Anisotropic Transport Properties of Nd[subscript 1-x]Sr[subscript x]MnO[subscript 3] Crystals 83
Stoichiometry and Magnetic Properties of Iron Oxide Films 89
Paramagnetic Susceptibility of the CMR Compound La[subscript 1-x]Ca[subscript x]MnO[subscript 3] 95
Effect of Domain Structure on the Magnetoresistance of Epitaxial Thin Films of Ferromagnetic Metallic Oxide SrRuO[subscript 3] 101
The Local Atomic Structure of La[subscript 1-x]Sr[subscript x]CoO[subscript 3]: Effects Induced by the Spin-State and Nonmetal to Metal Transitions 107
Analysis of Cation Valences and Oxygen Vacancies in Magnetoresistive Oxides by Electron Energy-Loss Spectroscopy 113
Negative Magnetoresistance in (Bi,Pb)[subscript 2]Sr[subscript 3]Co[subscript 2]O[subscript 9] Layered Cobalt Oxides 119
Surface Morphology and Lattice Misfit in YIG and La:YIG Films Grown by LPE Method on GGG Substrate 125
Magnetotransport in Thin Films of La[subscript n-nx]Ca[subscript 1+nx]Mn[subscript n]O[subscript 3n+1] (n = 2,3, and [actual symbol not reproducible]) 131
Micromorphology, Microstructure and Magnetic Properties of sputtered Garnet Multilayers 137
Improvement of Thermal Stability of Metal/Oxide Interface for Electronic Devices 143
Room-Temperature Magnetoresistive Response in CMR Perovskite Manganite Thin Films 149
The Magnetic Susceptibility in Ultrathin Films of Magnetic Materials 157
Polaron Formation and Motion in Magnetic Solids 163
Calculated Transport and Magnetic Properties of Some Perovskite Metallic Oxides AMO[subscript 3] 175
Experimental Determination of the Key Energy Scales in the Colossal Magnetoresistive Manganites 181
Spin Tunneling in Conducting Oxides 187
Formation of Ferromagnetic/Ferroelectric Superlattices by a Laser MBE and Their Electric and Magnetic Properties 201
Low-Energy k-Dependent Electronic Structure of the Layered Magnetoresistive Oxide La[subscript 1.2]Sr[subscript 1.8]Mn[subscript 2]O[subscript 7] 213
Sub-200 Oe Giant Magnetoresistance in Manganite Tunnel Junctions 221
Low-Field Colossal Magnetoresistance in Manganite Tunnel Junctions 231
Observation of Large Low-Field Magnetoresistance in Ramp-Edge Tunneling Junctions Based on Doped Manganite Ferromagnetic Electrodes and a SrTiO[subscript 3] Insulator 237
Fabrication of La[subscript 0.7]Sr[subscript 0.3]MnO[subscript 3]/La[subscript 0.5]Sr[subscript 0.5]CoO[subscript 3]/La[subscript 0.7]Sr[subscript 0.3]MnO[subscript 3] Heterostructures for Spin-Valve Applications 243
Fabrication of High-Temperature Superconductor-Colossal Magnetoresistor Spin Injection Devices 249
In-Plane Grain Boundary Effects on the Transport Properties of La[subscript 0.7]Sr[subscript 0.3]MnO[subscript 3-[delta]] Thin Films 257
Observation of Growth-Related Magnetic Structures in La[subscript 0.67]Sr[subscript 0.33]MnO[subscript 3] 263
The Effect of Elastic Strain on the Electrical and Magnetic Properties of Epitaxial Ferromagnetic SrRuO[subscript 3] Thin Films 269
Effects of Localized Holes on Charge Transport, Local Structure, and Spin Dynamics in the Metallic State of CMR La[subscript 1-x]Ca[subscript x]MnO[subscript 3] 275
The Effect of Radiation-Induced Disorder on La[subscript 0.7]Ca[subscript 0.3]MnO[subscript 3-[delta]] 287
Volume-Based Considerations for the Metal-Insulator Transition of CMR Oxides 293
Raman Investigation of the Layered Manganese Perovskite La[subscript 1.2]Sr[subscript 1.8]Mn[subscript 2]O[subscript 7] 305
High-Frequency Magnetoelectrodynamics of La[subscript 1-x]Sr[subscript x]MnO[subscript 3] Single Crystals 311
Magnetic and Electronic Transport Properties of Single-Crystal La[subscript 0.64]Pb[subscript 0.36]MnO[subscript 3] 317
Effects of Chromium Ion Implantation on the Magnetotransport Properties of La[subscript 0.7]Ca[subscript 0.3]MnO[subscript 3] Thin Films 323
Evaluation of Raman Scattering in La[subscript 1-x]M[subscript x]MnO[subscript 3] Single Crystals Due to Structural and Magnetic Transistions 329
Pressure and Isotope Effects in the Manganese Oxide Perovskites 335
Magnetotransport Properties in Layered Manganite Crystals 347
Author Index 357
Subject Index 359
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