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Particulate and granular magnetism : nanoparticles and thin films / K. O'Grady, G. Vallejo Fernández, A. Hirohata.
- Format:
- Book
- Author/Creator:
- O'Grady, Kevin, author.
- Fernandez, G. Vallejo, author.
- Hirohata, Atsufumi, author.
- Series:
- Oxford graduate texts.
- Oxford scholarship online.
- Oxford graduate texts
- Oxford scholarship online
- Language:
- English
- Subjects (All):
- Magnetic materials.
- Physical Description:
- 1 online resource (0 pages)
- Place of Publication:
- Oxford : Oxford University Press, 2023.
- Summary:
- Aimed primarily at experimental chemists, physicists, electronic engineers and material scientists interested in particulate and granular magnetic materials, this textbook covers the basic physics of magnetism as well as providing a detailed description of ferrofluids and their technological applications.
- Contents:
- Cover
- Title
- Copyright page
- Preface
- Acknowledgements
- Contents
- Part I Basic Concepts
- Concepts, Terminology and Units
- Magnetic Poles, Moments and Fields
- Flux Density and Induction
- Other Key Concepts
- The Demagnetising Field
- Susceptibility and Permeability
- Units and Conversion Factors
- Magnetic Domains
- Magnetocrystalline and Shape Anisotropy
- Magnetocrystalline Anisotropy
- Shape Anisotropy
- Principles of Domains
- Direct Exchange Interactions
- Domain Walls
- Domain Wall Width
- Domain Wall Motion
- Magnetisation Processes
- Single Domain Particles
- Incoherent Reversal
- Exchange Coupling in Granular Films
- Ferrimagnetic Nanoparticles
- Thermal Activation Effects
- Single Particle Activation
- Superparamagnetism and Blocking
- Particle and Grain Size Analysis
- Coercivity and Remanance
- Time and Frequency Effect
- Time Dependence Effects
- Frequency Effects
- Switching Field Distributions
- The Fluctuation Field and Activation Volume
- Intergranular Interactions
- Dipole-Dipole Effects
- RKKY Exchange Interactions
- Susceptibility Effects
- Minor Loop Phenomena
- Exchange Bias
- Discovery and Origin of Exchange Bias
- Early Models of Exchange Bias
- Numerical Models of Exchange Bias
- The York Model of Exchange Bias
- Granular Effects
- Setting Criterion for the AF
- Control of the Anisotropy of the AF
- Role of Impurities and Element Size
- Interfacial Effects
- Interfacial Doping
- Magneto-Resistance
- Anisotropic Magneto-Resistance (AMR)
- The Band Theory of Ferromagnetism
- Giant Magneto-Resistance (GMR)
- Tunnelling Magneto-Resistance (TMR)
- Spin Transfer Torque (STT)
- Part II Applications of Magnetic Nanoparticles and Granular Thin Films
- Ferrofluids
- Definition and Preparation
- Unusual Phenomena in Ferrofluids
- Surface Instability.
- Labyrinthine Instability
- Non-magnetic Alignment
- Properties of Ferrofluids
- Ideal Superparamagnetism
- Magnetic Size Distribution
- The Schliomis Diameter
- Pseudo Curie-Weiss Behaviour
- Applications of Ferrofluids
- Vacuum Seals
- Loudspeakers
- Sink-float Separation
- Inclinometers
- Magnetic Hyperthermia
- A Dosimetric Strategy for Magnetic Hyperthermia
- Bio-Medical Applications
- Separation and Localisation
- MRI Contrast Enhancement
- Magnetic Imaging
- Magnetic Polymer Microspheres
- Magneto-Rheological Fluids
- Magnetic Recording
- Tape Recording
- Analogue Recording
- Digital Recording
- Longitudinal Disk Recording
- Transition to Perpendicular Recording
- Disk Structure
- Development of Perpendicular Media
- Current Disk Structure
- The Read-Write Head
- Heat Assisted Magnetic Recording
- Limits to Conventional Recording
- Heat Assisted Magnetic Recording (HAMR) Disk Structure
- HAMR Recording Head
- The Future of Disk Recording
- Magnetic Random Access Memory (MRAM)
- Principles and Early Designs
- Initial Implementation
- First Generation Toggle-MRAM
- Second Generation STT-MRAM
- Third Generation MRAM with Perpendicular Orientation
- Other Devices Based on MRAM
- Spin-Torque Oscillator
- Neuromorphic Computation
- Spin-Orbit Torque MRAM
- Voltage Controlled Magnetic Anisotropy
- Thermally Assisted MRAM
- Technology Comparison
- Outlook for Future Developments
- Future Developments in Information Storage Technology
- Magnetic Fluid Systems
- Appendix A Demagnetising Factors for a Prolate and Oblate Spheroids
- References
- Index.
- Notes:
- Also issued in print: 2023.
- Includes bibliographical references and index.
- Description based on online resource and publisher information; title from PDF title page (viewed on December 8, 2023).
- ISBN:
- 0-19-197598-2
- 0-19-287312-1
- OCLC:
- 1411300660
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