Thermal Stability Of Data Storage Magnetic Devices

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High Density Data Storage

Author : Yanlin Song
Publisher : World Scientific
ISBN 13 : 9812834699
Total Pages : 272 pages
Book Rating : 4.8/5 (128 download)

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Book Synopsis High Density Data Storage by : Yanlin Song

Download or read book High Density Data Storage written by Yanlin Song and published by World Scientific. This book was released on 2009 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: The explosive increase in information and the miniaturization of electronic devices demand new recording technologies and materials that combine high density, fast response, long retention time and rewriting capability. As predicted, the current silicon-based computer circuits are reaching their physical limits. Further miniaturization of the electronic components and increase in data storage density are vital for the next generation of IT equipment such as ultra high-speed mobile computing, communication devices and sophisticated sensors. This original book presents a comprehensive introduction to the significant research achievements on high-density data storage from the aspects of recording mechanisms, materials and fabrication technologies, which are promising for overcoming the physical limits of current data storage systems. The book serves as an useful guide for the development of optimized materials, technologies and device structures for future information storage, and will lead readers to the fascinating world of information technology in the future.

Thermal Stability of Metastable Magnetic Skyrmions

Author : Louise Desplat
Publisher : Springer Nature
ISBN 13 : 3030660265
Total Pages : 166 pages
Book Rating : 4.0/5 (36 download)

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Book Synopsis Thermal Stability of Metastable Magnetic Skyrmions by : Louise Desplat

Download or read book Thermal Stability of Metastable Magnetic Skyrmions written by Louise Desplat and published by Springer Nature. This book was released on 2021-02-04 with total page 166 pages. Available in PDF, EPUB and Kindle. Book excerpt: The energy cost associated with modern information technologies has been increasing exponentially over time, stimulating the search for alternative information storage and processing devices. Magnetic skyrmions are solitonic nanometer-scale quasiparticles whose unique topological properties can be thought of as that of a Mobius strip. Skyrmions are envisioned as information carriers in novel information processing and storage devices with low power consumption and high information density. As such, they could contribute to solving the energy challenge. In order to be used in applications, isolated skyrmions must be thermally stable at the scale of years. In this work, their stability is studied through two main approaches: the Kramers' method in the form of Langer's theory, and the forward flux sampling method. Good agreement is found between the two methods. We find that small skyrmions possess low internal energy barriers, but are stabilized by a large activation entropy. This is a direct consequence of the existence of stable modes of deformation of the skyrmion. Additionally, frustrated exchange that arises at some transition metal interfaces leads to new collapse paths in the form of the partial nucleation of the corresponding antiparticle, as merons and antimerons.

Magnetic Materials, Processes, and Devices 9

Author :
Publisher : The Electrochemical Society
ISBN 13 : 1566775604
Total Pages : 444 pages
Book Rating : 4.5/5 (667 download)

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Book Synopsis Magnetic Materials, Processes, and Devices 9 by :

Download or read book Magnetic Materials, Processes, and Devices 9 written by and published by The Electrochemical Society. This book was released on 2007 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: This issue documents the state of the field in magnetic thin film processing using electrochemical methods including film nucleation and growth, structure of deposits, stress and micromagnetics of films, thermal and magnetic annealing, electrochemical and electroless plating systems, etching, process chemistry, tool design, and process control.

Magnetic Storage Systems Beyond 2000

Author : G.C. Hadjipanayis
Publisher : Springer Science & Business Media
ISBN 13 : 9781402001185
Total Pages : 650 pages
Book Rating : 4.0/5 (11 download)

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Book Synopsis Magnetic Storage Systems Beyond 2000 by : G.C. Hadjipanayis

Download or read book Magnetic Storage Systems Beyond 2000 written by G.C. Hadjipanayis and published by Springer Science & Business Media. This book was released on 2001-12-31 with total page 650 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of the NATO Advanced Study Institute, June 25-July 7, 2000, Rhodes, Greece

Handbook of Spintronics

Author : Yongbing Xu
Publisher : Springer
ISBN 13 : 9789400768918
Total Pages : 0 pages
Book Rating : 4.7/5 (689 download)

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Book Synopsis Handbook of Spintronics by : Yongbing Xu

Download or read book Handbook of Spintronics written by Yongbing Xu and published by Springer. This book was released on 2015-10-14 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Over two volumes and 1500 pages, the Handbook of Spintronics will cover all aspects of spintronics science and technology, including fundamental physics, materials properties and processing, established and emerging device technology and applications. Comprising 60 chapters from a large international team of leading researchers across academia and industry, the Handbook provides readers with an up-to-date and comprehensive review of this dynamic field of research. The opening chapters focus on the fundamental physical principles of spintronics in metals and semiconductors, including an introduction to spin quantum computing. Materials systems are then considered, with sections on metallic thin films and multilayers, magnetic tunnelling structures, hybrids, magnetic semiconductors and molecular spintronic materials. A separate section reviews the various characterisation methods appropriate to spintronics materials, including STM, spin-polarised photoemission, x-ray diffraction techniques and spin-polarised SEM. The third part of the Handbook contains chapters on the state of the art in device technology and applications, including spin valves, GMR and MTJ devices, MRAM technology, spin transistors and spin logic devices, spin torque devices, spin pumping and spin dynamics and other topics such as spin caloritronics. Each chapter considers the challenges faced by researchers in that area and contains some indications of the direction that future work in the field is likely to take. This reference work will be an essential and long-standing resource for the spintronics community.

Concise Encyclopedia of Magnetic and Superconducting Materials

Author : K.H.J. Buschow
Publisher : Elsevier
ISBN 13 : 0080457657
Total Pages : 1361 pages
Book Rating : 4.0/5 (84 download)

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Book Synopsis Concise Encyclopedia of Magnetic and Superconducting Materials by : K.H.J. Buschow

Download or read book Concise Encyclopedia of Magnetic and Superconducting Materials written by K.H.J. Buschow and published by Elsevier. This book was released on 2005-12-28 with total page 1361 pages. Available in PDF, EPUB and Kindle. Book excerpt: Magnetic and superconducting materials pervade every avenue of the technological world – from microelectronics and mass-data storage to medicine and heavy engineering. Both areas have experienced a recent revitalisation of interest due to the discovery of new materials, and the re-evaluation of a wide range of basic mechanisms and phenomena.This Concise Encyclopedia draws its material from the award-winning Encyclopedia of Materials and Engineering, and includes updates and revisions not available in the original set -- making it the ideal reference companion for materials scientists and engineers with an interest in magnetic and superconducting materials. - Contains in excess of 130 articles, taken from the award-winning Encyclopedia of Materials: Science and Technology, including ScienceDirect updates not available in the original set - Each article discusses one aspect of magnetic and superconducting materials and includes photographs, line drawings and tables to aid the understanding of the topic at hand - Cross-referencing guides readers to articles covering subjects of related interest

Chemical Technology and Informatics in Chemistry with Applications

Author : Alexander V. Vakhrushev
Publisher : CRC Press
ISBN 13 : 1351247441
Total Pages : 377 pages
Book Rating : 4.3/5 (512 download)

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Book Synopsis Chemical Technology and Informatics in Chemistry with Applications by : Alexander V. Vakhrushev

Download or read book Chemical Technology and Informatics in Chemistry with Applications written by Alexander V. Vakhrushev and published by CRC Press. This book was released on 2019-01-15 with total page 377 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume reflects the huge breadth and diversity in research and the application of industrial and engineering chemistry and cheminformatics. The book presents cutting-edge research developments and new insights that emphasize the vibrancy of industrial and engineering chemistry and cheminformatics today. The first section of the book focuses on new insights in engineering chemistry while the second part looks at the promising future and novel approaches in chemical informatics, which has vast implications for industrial and pharmaceutical applications. Several chapters examine various industrial processes for emerging materials and determine practical use under a wide range of conditions, helping to establish what is needed to produce a new generation of materials.

Ultra-High-Density Magnetic Recording

Author : Gaspare Varvaro
Publisher : CRC Press
ISBN 13 : 9814669598
Total Pages : 528 pages
Book Rating : 4.8/5 (146 download)

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Book Synopsis Ultra-High-Density Magnetic Recording by : Gaspare Varvaro

Download or read book Ultra-High-Density Magnetic Recording written by Gaspare Varvaro and published by CRC Press. This book was released on 2016-03-30 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: Today magnetic recording is still the leading technology for mass data storage. Its dominant role is being reinforced by the success of cloud computing, which requires storing and managing huge amounts of data on a multitude of servers. Nonetheless, the hard-disk storage industry is presently at a crossroads as the current magnetic recording techno

Nanoferrites for Emerging Environmental Applications

Author : Atul Thakur
Publisher : Elsevier
ISBN 13 : 0443222312
Total Pages : 592 pages
Book Rating : 4.4/5 (432 download)

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Book Synopsis Nanoferrites for Emerging Environmental Applications by : Atul Thakur

Download or read book Nanoferrites for Emerging Environmental Applications written by Atul Thakur and published by Elsevier. This book was released on 2024-09-27 with total page 592 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanoferrites for Emerging Environmental Applications discusses the synthesis and structure of nanoferrites, as well as their electrical, optical, and magnetic properties. This book also provides a detailed discussion of the use of nanoferrites for various environmental applications, such as for water and air pollution detection and remediation. This book covers almost every aspect of nanoferrites for environmental applications and will be of great use to researchers working in multidisciplinary areas. Nanoferrites' superior electronic, optical, and magnetic properties make them promising agents in a wide spectrum of applications. After looking at the fundamentals of nanoferrites, this book proceeds to analyze their application in a comprehensive range of environmental applications. Topics covered include wastewater treatment, the removal of heavy metal ions, remediation of organic and inorganic pollutants, and their use in the detection and remediation of both air and solid pollution. Future opportunities for research are also addressed. - Focuses on nanoferrite applications for air and water pollution detection, and remediation through purification - Includes detailed synthesis procedures and advanced characterization methods for nanoferrites - Explores ways that nanoferrites can be used in various environmental applications and then be recovered after use

Comprehensive Nanoscience and Nanotechnology

Author :
Publisher : Academic Press
ISBN 13 : 012812296X
Total Pages : 1881 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Comprehensive Nanoscience and Nanotechnology by :

Download or read book Comprehensive Nanoscience and Nanotechnology written by and published by Academic Press. This book was released on 2019-01-02 with total page 1881 pages. Available in PDF, EPUB and Kindle. Book excerpt: Comprehensive Nanoscience and Technology, Second Edition, Five Volume Set allows researchers to navigate a very diverse, interdisciplinary and rapidly-changing field with up-to-date, comprehensive and authoritative coverage of every aspect of modern nanoscience and nanotechnology. Presents new chapters on the latest developments in the field Covers topics not discussed to this degree of detail in other works, such as biological devices and applications of nanotechnology Compiled and written by top international authorities in the field

Handbook of Nanoscale Optics and Electronics

Author :
Publisher : Academic Press
ISBN 13 : 0123751799
Total Pages : 402 pages
Book Rating : 4.1/5 (237 download)

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Book Synopsis Handbook of Nanoscale Optics and Electronics by :

Download or read book Handbook of Nanoscale Optics and Electronics written by and published by Academic Press. This book was released on 2010-05-25 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the increasing demand for smaller, faster, and more highly integrated optical and electronic devices, as well as extremely sensitive detectors for biomedical and environmental applications, a field called nano-optics or nano-photonics/electronics is emerging – studying the many promising optical properties of nanostructures. Like nanotechnology itself, it is a rapidly evolving and changing field – but because of strong research activity in optical communication and related devices, combined with the intensive work on nanotechnology, nano-optics is shaping up fast to be a field with a promising future. This book serves as a one-stop review of modern nano-optical/photonic and nano-electronic techniques, applications, and developments. - Provides overview of the field of Nano-optics/photonics and electronics, detailing practical examples of photonic technology in a wide range of applications - Discusses photonic systems and devices with mathematical rigor precise enough for design purposes - A one-stop review of modern nano-optical/photonic and nano-electronic techniques, applications, and developments

Spintronics

Author : Puja Dey
Publisher : Springer Nature
ISBN 13 : 9811600694
Total Pages : 287 pages
Book Rating : 4.8/5 (116 download)

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Book Synopsis Spintronics by : Puja Dey

Download or read book Spintronics written by Puja Dey and published by Springer Nature. This book was released on 2021-04-13 with total page 287 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights the overview of Spintronics, including What is Spintronics ?; Why Do We Need Spintronics ?; Comparative merit-demerit of Spintronics and Electronics ; Research Efforts put on Spintronics ; Quantum Mechanics of Spin; Dynamics of magnetic moments : Landau-Lifshitz-Gilbert Equation; Spin-Dependent Band Gap in Ferromagnetic Materials; Functionality of ‘Spin’ in Spintronics; Different Branches of Spintronics etc. Some important notions on basic elements of Spintronics are discussed here, such as – Spin Polarization, Spin Filter Effect, Spin Generation and Injection, Spin Accumulation, Different kinds of Spin Relaxation Phenomena, Spin Valve, Spin Extraction, Spin Hall Effect, Spin Seebeck Effect, Spin Current Measurement Mechanism, Magnetoresistance and its different kinds etc. Concept of Giant Magnetoresistance (GMR), different types of GMR, qualitative and quantitative explanation of GMR employing Resistor Network Theory are presented here. Tunnelling Magnetoresistance (TMR), Magnetic Junctions, Effect of various parameters on TMR, Measurement of spin relaxation length and time in the spacer layer are covered here. This book highlights the concept of Spin Transfer Torque (STT), STT in Ferromagnetic Layer Structures, STT driven Magnetization Dynamics, STT in Magnetic Multilayer Nanopillar etc. This book also sheds light on Magnetic Domain Wall (MDW) Motion, Ratchet Effect in MDW motion, MDW motion velocity measurements, Current-driven MDW motion, etc. The book deals with the emerging field of spintronics, i.e., Opto-spintronics. Special emphasis is given on ultrafast optical controlling of magnetic states of antiferromagnet, Spin-photon interaction, Faraday Effect, Inverse Faraday Effect and outline of different all-optical spintronic switching. One more promising branch i.e., Terahertz Spintronics is also covered. Principle of operation of spintronic terahertz emitter, choice of materials, terahertz writing of an antiferromagnetic magnetic memory device is discussed. Brief introduction of Semiconductor spintronics is presented that includes dilute magnetic semiconductor, feromagnetic semiconductor, spin polarized semiconductor devices, three terminal spintronic devices, Spin transistor, Spin-LED, and Spin-Laser. This book also emphasizes on several modern spintronics devices that includes GMR Read Head of Modern Hard Disk Drive, MRAM, Position Sensor, Biosensor, Magnetic Field sensor, Three Terminal Magnetic Memory Devices, Spin FET, Race Track Memory and Quantum Computing.

Fundamentals of Laser Powder Bed Fusion of Metals

Author : Igor Yadroitsev
Publisher : Elsevier
ISBN 13 : 0128240911
Total Pages : 678 pages
Book Rating : 4.1/5 (282 download)

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Book Synopsis Fundamentals of Laser Powder Bed Fusion of Metals by : Igor Yadroitsev

Download or read book Fundamentals of Laser Powder Bed Fusion of Metals written by Igor Yadroitsev and published by Elsevier. This book was released on 2021-05-23 with total page 678 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laser powder bed fusion of metals is a technology that makes use of a laser beam to selectively melt metal powder layer-by-layer in order to fabricate complex geometries in high performance materials. The technology is currently transforming aerospace and biomedical manufacturing and its adoption is widening into other industries as well, including automotive, energy, and traditional manufacturing. With an increase in design freedom brought to bear by additive manufacturing, new opportunities are emerging for designs not possible previously and in material systems that now provide sufficient performance to be qualified in end-use mission-critical applications. After decades of research and development, laser powder bed fusion is now enabling a new era of digitally driven manufacturing. Fundamentals of Laser Powder Bed Fusion of Metals will provide the fundamental principles in a broad range of topics relating to metal laser powder bed fusion. The target audience includes new users, focusing on graduate and undergraduate students; however, this book can also serve as a reference for experienced users as well, including senior researchers and engineers in industry. The current best practices are discussed in detail, as well as the limitations, challenges, and potential research and commercial opportunities moving forward. - Presents laser powder bed fusion fundamentals, as well as their inherent challenges - Provides an up-to-date summary of this advancing technology and its potential - Provides a comprehensive textbook for universities, as well as a reference for industry - Acts as quick-reference guide

Thesaurus of Engineering and Scientific Terms

Author : Engineers Joint Council
Publisher :
ISBN 13 :
Total Pages : 708 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Thesaurus of Engineering and Scientific Terms by : Engineers Joint Council

Download or read book Thesaurus of Engineering and Scientific Terms written by Engineers Joint Council and published by . This book was released on 1967 with total page 708 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Comprehensive Nanoscience and Technology

Author :
Publisher : Academic Press
ISBN 13 : 0123743966
Total Pages : 2785 pages
Book Rating : 4.1/5 (237 download)

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Book Synopsis Comprehensive Nanoscience and Technology by :

Download or read book Comprehensive Nanoscience and Technology written by and published by Academic Press. This book was released on 2010-10-29 with total page 2785 pages. Available in PDF, EPUB and Kindle. Book excerpt: From the Introduction: Nanotechnology and its underpinning sciences are progressing with unprecedented rapidity. With technical advances in a variety of nanoscale fabrication and manipulation technologies, the whole topical area is maturing into a vibrant field that is generating new scientific research and a burgeoning range of commercial applications, with an annual market already at the trillion dollar threshold. The means of fabricating and controlling matter on the nanoscale afford striking and unprecedented opportunities to exploit a variety of exotic phenomena such as quantum, nanophotonic and nanoelectromechanical effects. Moreover, researchers are elucidating new perspectives on the electronic and optical properties of matter because of the way that nanoscale materials bridge the disparate theories describing molecules and bulk matter. Surface phenomena also gain a greatly increased significance; even the well-known link between chemical reactivity and surface-to-volume ratio becomes a major determinant of physical properties, when it operates over nanoscale dimensions. Against this background, this comprehensive work is designed to address the need for a dynamic, authoritative and readily accessible source of information, capturing the full breadth of the subject. Its six volumes, covering a broad spectrum of disciplines including material sciences, chemistry, physics and life sciences, have been written and edited by an outstanding team of international experts. Addressing an extensive, cross-disciplinary audience, each chapter aims to cover key developments in a scholarly, readable and critical style, providing an indispensible first point of entry to the literature for scientists and technologists from interdisciplinary fields. The work focuses on the major classes of nanomaterials in terms of their synthesis, structure and applications, reviewing nanomaterials and their respective technologies in well-structured and comprehensive articles with extensive cross-references. It has been a constant surprise and delight to have found, amongst the rapidly escalating number who work in nanoscience and technology, so many highly esteemed authors willing to contribute. Sharing our anticipation of a major addition to the literature, they have also captured the excitement of the field itself in each carefully crafted chapter. Along with our painstaking and meticulous volume editors, full credit for the success of this enterprise must go to these individuals, together with our thanks for (largely) adhering to the given deadlines. Lastly, we record our sincere thanks and appreciation for the skills and professionalism of the numerous Elsevier staff who have been involved in this project, notably Fiona Geraghty, Megan Palmer and Greg Harris, and especially Donna De Weerd-Wilson who has steered it through from its inception. We have greatly enjoyed working with them all, as we have with each other.

Energy Harvesting and Storage Devices

Author : Laxman Raju Thoutam
Publisher : CRC Press
ISBN 13 : 1000997855
Total Pages : 325 pages
Book Rating : 4.0/5 (9 download)

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Book Synopsis Energy Harvesting and Storage Devices by : Laxman Raju Thoutam

Download or read book Energy Harvesting and Storage Devices written by Laxman Raju Thoutam and published by CRC Press. This book was released on 2023-11-29 with total page 325 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book discusses the materials, devices, and methodologies that can be used for energy harvesting including advanced materials, devices, and systems. It describes synthesis and fabrication details of energy storage materials. It explains use of high-energy density thin films for future power systems, flexible and biodegradable energy storage devices, fuel cells and supercapacitors, nanogenerators for self-powered systems, and innovative energy harvesting methodologies. Features: Covers all relevant topics in energy harvesting research and focuses on the current state-of-the-art techniques and materials for this application. Showcases the true potential of the nature in energy harvesting industry by discussing various harvesting mechanisms based on renewable and sustainable energy sources. Explains the recent trends in flexible and wearable energy storage devices that are currently being used in IoT-based smart devices. Overviews of the state-of-the-art research performed on design and development of energy harvesting devices. Highlights the interdisciplinary research efforts needed in energy harvesting and storage devices to transform conceptual ideas to working prototypes. This book is aimed at graduate students and researchers in emerging materials, energy engineering, including harvesting and storage.

Nanomagnetism

Author :
Publisher : Elsevier
ISBN 13 : 0080457177
Total Pages : 349 pages
Book Rating : 4.0/5 (84 download)

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Book Synopsis Nanomagnetism by :

Download or read book Nanomagnetism written by and published by Elsevier. This book was released on 2006-03-27 with total page 349 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanoscience is of central importance in the physical and biological sciences and is now pervasive in technology. However nanomagnetism has a special role to play as magnetic properties depend uniquely on both dimensionality and lengthscales. Nanomagnetism is already central to data storage, sensor and device technologies but is increasingly being used in the life sciences and medicine. This volume aims to introduce scientists, computer scientists, engineers and technologists from diverse fields to this fascinating and technologically important new branch of nanoscience. The volume should appeal to both the interested general reader but also to the researcher wishing to obtain an overview of this fast moving field. The contributions come from acknowledged leaders in the field who each give authoritative accounts of key fundamental aspects of nanomagnetism to which they have themselves made a major contribution. After a brief introduction by the editors, Wu first surveys the fundamental properties of magnetic nanostructures. The interlayer exchange interactions within magnetic multilayer structures is next discussed by Stiles. Camley then discusses the static, dynamic and thermal properties of magnetic multilayers and nanostructures, followed by an account of the phenomenon of exchange anisotropy by Berkowitz and Kodama. This latter phenomenon is widely in current read head devices for example. The transport properties of nanostructures also are spectacular, and again underpin computer technology, as we see from the discussion of giant magnetoresistance (GMR) and tunnelling magnetoresistance (TMR) presented by Fert and his colleagues. Beyond GMR and TMR we look to the field of spintronics where new electronic devices are envisioned and for which quantumcomputing may depend as discussed in the chapter by Flatte and Jonker.The volume concludes with discussion of the recently discovered phenomenon of current induced switching of magnetization by Edwards and Mathon.* Subject is in the forefront of nanoscience* All Section authors are leading figures in this key field* Presentations are accessible to non specialists, with focus on underlying fundamentals