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Nanomagnetism And Spintronics
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Book Synopsis Nanomagnetism and Spintronics by : Teruya Shinjo
Download or read book Nanomagnetism and Spintronics written by Teruya Shinjo and published by Elsevier. This book was released on 2013-10-07 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: The concise and accessible chapters of Nanomagnetism and Spintronics, Second Edition, cover the most recent research in areas of spin-current generation, spin-calorimetric effect, voltage effects on magnetic properties, spin-injection phenomena, giant magnetoresistance (GMR), and tunnel magnetoresistance (TMR). Spintronics is a cutting-edge area in the field of magnetism that studies the interplay of magnetism and transport phenomena, demonstrating how electrons not only have charge but also spin. This second edition provides the background to understand this novel physical phenomenon and focuses on the most recent developments and research relating to spintronics. This exciting new edition is an essential resource for graduate students, researchers, and professionals in industry who want to understand the concepts of spintronics, and keep up with recent research, all in one volume. Provides a concise, thorough evaluation of current research Surveys the important findings up to 2012 Examines the future of devices and the importance of spin current
Book Synopsis Nanomagnetism and Spintronics by : Farzad Nasirpouri
Download or read book Nanomagnetism and Spintronics written by Farzad Nasirpouri and published by World Scientific. This book was released on 2011 with total page 401 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanomagnetism and spintronics are two close subfields of nanoscience, explaining the effect of substantial magnetic properties of matter when the materials fabrication is realized at a comparable length size. Nanomagnetism deals with the magnetic phenomena specific to the structures having dimensions in the submicron range. The fact that the electronic transport properties of materials are dependent on the magnetic properties' artificial nanostructures, i.e., giant magnetoresistance (GMR) or tunneling magnetoresistance (TMR), has revolutionized spintronics science and technology. This book explains the concepts of nanomagnetism and spintronics by viewing the most recent research works from internationally distinguished research groups. Placing special emphasis on crucial fundamental and technical aspects of nanomagnetism and spintronics, it serves as a one-stop reference for universities offering postgraduate programs in nanotechnology or related disciplines. This unique book deals with all three stages required for conducting research in nanomagnetism and spintronics including fabrication, characterization and applications of nanomagnetic and spintronics materials, providing general concepts and an insightful overview of this subject for research students and scientists from different backgrounds investigating the multidisciplinary area of nanotechnology.
Book Synopsis Nanomagnetism and Spintronics by : Teruya Shinjo
Download or read book Nanomagnetism and Spintronics written by Teruya Shinjo and published by Elsevier Inc. Chapters. This book was released on 2013-10-07 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: This overview is a brief introduction to the subjects covered by this book, nanomagnetism and spintronics. The discovery of giant magnetoresistance (GMR) effect is described together with a short summary of the studies prior to the experiments on GMR. Studies on various kinds of magnetoresistance (MR) effect that were inspired by the GMR effect are reviewed and recent topics are introduced. In many novel phenomena involving the interplay of electric conductance and magnetization, the role of the “spin current” has been revealed to be important and the possibility for exploiting these phenomena in spintronics devices has been suggested. Nanoscale devices are indispensable to fundamental studies on spintronics and also to various technical devices, and therefore gaining an understanding of nanomagnetism is a crucial current issue. At the end of this section, the scope of this book is described in brief with the content of each chapter.
Download or read book Nanomagnetism written by Claude Fermon and published by John Wiley & Sons. This book was released on 2017-03-17 with total page 346 pages. Available in PDF, EPUB and Kindle. Book excerpt: This first book to focus on the applications of nanomagnetism presents those already realized while also suggesting bold ideas for further breakthroughs. The first part is devoted to the concept of spin electronics and its use for data storage and magnetic sensing, while the second part concentrates on magnetic nanoparticles and their use in industrial environment, biological and medical applications. The third, more prospective part goes on to describe emerging applications related to spin current creation and manipulation, dynamics, spin waves and binary logic based on nano-scale magnetism. With its unique choice of topics and authors, this will appeal to academic as well as corporate researchers in a wide range of disciplines from physics via materials science to engineering, chemistry and life science.
Book Synopsis Introduction to Spintronics by : Supriyo Bandyopadhyay
Download or read book Introduction to Spintronics written by Supriyo Bandyopadhyay and published by CRC Press. This book was released on 2008-03-20 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: Using spin to replace or augment the role of charge in signal processing devices, computing systems and circuits may improve speed, power consumption, and device density in some cases—making the study of spinone of the fastest-growing areas in micro- and nanoelectronics. With most of the literature on the subject still highly advanced and heavily theoretical, the demand for a practical introduction to the concepts relating to spin has only now been filled. Explains effects such as giant magnetoresistance, the subject of the 2007 Nobel Prize in physics Introduction to Spintronics is an accessible, organized, and progressive presentation of the quantum mechanical concept of spin. The authors build a foundation of principles and equations underlying the physics, transport, and dynamics of spin in solid state systems. They explain the use of spin for encoding qubits in quantum logic processors; clarify how spin-orbit interaction forms the basis for certain spin-based devices such as spintronic field effect transistors; and discuss the effects of magnetic fields on spin-based device performance. Covers active hybrid spintronic devices, monolithic spintronic devices, passive spintronic devices, and devices based on the giant magnetoresistance effect The final chapters introduce the burgeoning field of spin-based reversible logic gates, spintronic embodiments of quantum computers, and other topics in quantum mechanics that have applications in spintronics. An Introduction to Spintronics provides the knowledge and understanding of the field needed to conduct independent research in spintronics.
Book Synopsis Nanomagnetism and Spintronics by : Yoshishige Suzuki
Download or read book Nanomagnetism and Spintronics written by Yoshishige Suzuki and published by Elsevier Inc. Chapters. This book was released on 2013-10-07 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: Current and voltage applied to the magnetic nanopillars induce a spin injection and an accumulation of nonequilibrium charges in a nanosize magnetic cell and result a spin torque exerted on the magnetic moment. Using such torques, we may amplify a precession of magnetization and induct a magnetization switching. These phenomena provide new techniques to write information into tiny magnetic cells and to construct oscillators and rectifiers that are several tens of nanometers in size. In this chapter, spin injections, and current and voltage-induced spin torques in magnetic multilayers, which show giant magnetoresistance effect in current-perpendicular-to-plane (CPP-GMR) geometry, and magnetic tunneling junctions are described. Further, mechanisms of spin injection and voltage-induced magnetization switching and its high-speed observations are explained. Then, phenomena related to spin injection, namely, spin-transfer oscillation and the spin-torque diode effect, are described. Finally, applications related to the spin-injection technology are reviewed.
Book Synopsis Nanomagnetism and Spintronics by : André Thiaville
Download or read book Nanomagnetism and Spintronics written by André Thiaville and published by Elsevier Inc. Chapters. This book was released on 2013-10-07 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spin-transfer torque manifests itself in two main geometries, either submicrometer diameter pillars composed of magnetic multilayers, flooded by a current perpendicular to plane (CPP), or nanowires with current flowing in their plane (CIP). The first situation can be described rather well, from the magnetic point of view, in the framework of the macrospin model (see by Y. Suzuki). In the latter case, the typical situation is that of a magnetic domain wall under CIP current, with many internal degrees of freedom. In by H. Kohno and G. Tatara, a simplest model of the domain wall, called collective coordinates model, has been introduced to study this question. In this chapter, we will address the entire manifold of the degrees of freedom in the domain wall by micromagnetic numerical simulations, and apply this to the physics of CIP spin transfer in magnetic domain walls. We will consider soft magnetic materials only, where domain wall structures and dynamics are controlled by magnetostatics. This corresponds to the largest part of experiments that have been performed up to now, soft magnetic materials having generally lower coercive forces and domain wall propagation fields. The experimental counterpart to this chapter can be found in , by T. Ono and T. Shinjo. After briefly introducing micromagnetics and the typology of domain walls in samples shaped into nanostrips, we start by reviewing the field-driven dynamics in such samples. This situation was indeed considered first, historically, and led to the introduction of several useful concepts. Prominent among them are the separation between steady-state and precessional regimes, and the existence of a maximum velocity for a domain wall. The spin-transfer torque-induced domain wall dynamics will then be addressed, considering first the implementation of the CIP spin transfer torque in micromagnetics, with several components as introduced by theory. Comparison will be made to the field-driven case, with similarities and differences highlighted. In the nascent field of nanomagnetism and spintronics, micromagnetics can be considered to play the role of a translator. There are on one side experiments and on the other side theories about interaction between magnetization and spin-polarized electrical currents. Micromagnetics is a tool that translates the equations of the latter into quantitative predictions that can be compared to the former. Considering the present state of the subject of this book, with rapidly advancing experiments and theories, keeping in touch those two aspects of research is very important for its sound development. This is the objective of this chapter.
Book Synopsis Ultrathin Magnetic Structures III by : J.A.C. Bland
Download or read book Ultrathin Magnetic Structures III written by J.A.C. Bland and published by Springer Science & Business Media. This book was released on 2005-12-06 with total page 329 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ability to understand and control the unique properties of interfaces has created an entirely new field of magnetism which already has a profound impact in technology and is providing the basis for a revolution in electronics. The last decade has seen dramatic progress in the development of magnetic devices for information technology but also in the basic understanding of the physics of magnetic nanostructures. This volume describes thin film magnetic properties and methods for characterising thin film structure topics that underpin the present 'spintronics' revolution in which devices are based on combined magnetic materials and semiconductors. Volume IV deals with the fundamentals of spintronics: magnetoelectronic materials, spin injection and detection, micromagnetics and the development of magnetic random access memory based on GMR and tunnel junction devices. Together these books provide readers with a comprehensive account of an exciting and rapidly developing field. The treatment is designed to be accessible both to newcomers and to experts already working in this field who would like to get a better understanding of this very diversified area of research.
Book Synopsis Nanomagnetism and Spintronics by : Teruya Shinjo
Download or read book Nanomagnetism and Spintronics written by Teruya Shinjo and published by Elsevier. This book was released on 2009-06-29 with total page 352 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spintronics is a newly developing area in the field of magnetism, in which the interplay of magnetism and transport phenomena is studied experimentally and theoretically. This book introduces the recent progresses in the research relating to spintronics. * Presents in-depth analysis of this fascinating and technologically important new branch of nanoscience * Edited text with contributions from acknowledged leaders in the field * This handbook and guide will appeal to students and researchers in the fields of electronic devices and materials
Book Synopsis Principles of Nanomagnetism by : Alberto P. Guimarães
Download or read book Principles of Nanomagnetism written by Alberto P. Guimarães and published by Springer. This book was released on 2017-07-10 with total page 330 pages. Available in PDF, EPUB and Kindle. Book excerpt: The second edition of this book on nanomagnetism presents the basics and latest studies of low-dimensional magnetic nano-objects. It highlights the intriguing properties of nanomagnetic objects, such as thin films, nanoparticles, nanowires, nanotubes, nanodisks and nanorings as well as novel phenomena like spin currents. It also describes how nanomagnetism was an important factor in the rapid evolution of high-density magnetic recording and is developing into a decisive element of spintronics. Further, it presents a number of biomedical applications. With exercises and solutions, it serves as a graduate textbook.
Book Synopsis Nanomagnetism by : Georgia C. Papaefthymiou
Download or read book Nanomagnetism written by Georgia C. Papaefthymiou and published by CRC Press. This book was released on 2022-04-18 with total page 597 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanomagnetism: An Interdisciplinary Approach provides a core foundation for understanding magnetic quantum-size effects at the nanoscale and their many applications across the disciplines. This textbook will be a valuable guide for students in new interdisciplinary courses in nanomagnetism and magnetic nanomaterials, an area that has experienced immense growth in the last two decades due to advancements in sample preparation, nanopatterning techniques and magnetic measurement instrumentation. The interdisciplinary nature of nanoscience also makes this book an ideal resource for scientists working in industrial laboratories and pharmaceutical and medical researchers looking to expand their understanding of the physics of magnetic probes. Key Features Discusses physical, chemical and nanotemplating synthesis techniques for the production of magnetic nanoparticles Covers experimental techniques for the determination of the macroscopic and microscopic magnetization of nanoparticles Discusses the role of nanomagnetism in high-density magnetic recording media, nanostructured permanent magnets, MRI imaging enhancement and magnetically guided drug delivery
Book Synopsis Handbook of Nanomagnetism by : Rosa A. Lukaszew
Download or read book Handbook of Nanomagnetism written by Rosa A. Lukaszew and published by CRC Press. This book was released on 2015-10-06 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique handbook compiles and details cutting-edge research in nanomagnetism and its applications in spintronics, magnetoplasmonics, and nonlinear magneto-optics. Fundamental aspects of magnetism relevant to nanodevices and new spin-transfer torque random-access memory (STT-RAM), current-induced domain wall motion memory, and spin torque oscillators, as well as highly anisotropic materials and topics on magnetization damping are developed in detail in the book. New paradigms such as molecule-based magnets (MBMs), which are a promisingly adaptive class of solids poised to open new frontiers of exploration, are also covered. The relationship between magnetism and nonlinear optics and the new field of magnetoplasmonics is also developed in detail. The book also includes a thorough chapter on spin-polarized scanning tunneling microscopy (SP-STM), which enables studying magnetic phenomena on surfaces with real-space imaging and spectroscopy techniques down to the atomic level. All these topics are developed by an interdisciplinary team of leading experts in their pertinent fields. The book will certainly appeal to anyone involved in nanomagnetism and its application in spintronic nanodevices and nonlinear magneto-optics.
Book Synopsis Nanomagnetism and Spintronics by : Hiroshi Kohno
Download or read book Nanomagnetism and Spintronics written by Hiroshi Kohno and published by Elsevier Inc. Chapters. This book was released on 2013-10-07 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: Current-driven domain-wall motion and related phenomena are reviewed from a theoretical point of view. In the first part, the dynamics of a rigid domain wall is described based on the collective-coordinate method. After an elementary introduction, the equations of motion are derived for a wall under current, whose effects enter as a spin-transfer effect and a momentum-transfer effect (force). The wall motion is studied in detail, and several depinning mechanisms are found. In the second part, a microscopic derivation of spin torques is described for slowly varying magnetic texture. In addition to the well-established spin-transfer torque, two new torques are shown to arise from the spin-relaxation process and the nonadiabatic process (reflection) of conduction electrons. These new torques act as forces on a rigid wall. Some related topics are described in the third part, which includes current-driven dynamics of magnetic vortices and the current-induced spin-wave instability and domain-wall nucleation.
Book Synopsis Magnetic Nanostructures by : Hartmut Zabel
Download or read book Magnetic Nanostructures written by Hartmut Zabel and published by Springer. This book was released on 2012-09-15 with total page 268 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanomagnetism and spintronics is a rapidly expanding and increasingly important field of research with many applications already on the market and many more to be expected in the near future. This field started in the mid-1980s with the discovery of the GMR effect, recently awarded with the Nobel prize to Albert Fert and Peter Grünberg. The present volume covers the most important and most timely aspects of magnetic heterostructures, including spin torque effects, spin injection, spin transport, spin fluctuations, proximity effects, and electrical control of spin valves. The chapters are written by internationally recognized experts in their respective fields and provide an overview of the latest status.
Download or read book Nanomagnetism and Spintronics written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nanomagnetism and Spintronics by : Teruo Ono
Download or read book Nanomagnetism and Spintronics written by Teruo Ono and published by Elsevier Inc. Chapters. This book was released on 2013-10-07 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dynamical behavior of magnetic domain wall (DW) is one of the main issues in the field of spintronics. In this chapter, several experimental studies in DW dynamics in nanomagnetic systems are described. For the study of DW motion in nanoscale wires, samples with a trilayer structure, ferromagnetic/nonmagnetic/ferromagnetic, were prepared and the position of DW was estimated from electrical resistance measurements using giant magnetoresistance principle. The velocity of DW driven by an external field has been evaluated from the resistance change. On the other hand, current-driven DW motion in a single wire of ferromagnetic layer was studied by magnetic force microscopy (MFM). All-electrical control and local detection of multiple magnetic DWs are also shown. Magnetic vortex structures are realized in nanoscale ferromagnetic dot systems. The behavior of vortex core magnetization was observed by MFM. Recent topics such as the switching of vortex core driven by a high frequency AC are introduced. Furthermore, all-electrical operation of a magnetic vortex core memory cell is demonstrated.
Book Synopsis Ultrathin Magnetic Structures III by : J.A.C. Bland
Download or read book Ultrathin Magnetic Structures III written by J.A.C. Bland and published by Springer. This book was released on 2004-12-13 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: The ability to understand and control the unique properties of interfaces has created an entirely new field of magnetism which already has a profound impact in technology and is providing the basis for a revolution in electronics. The last decade has seen dramatic progress in the development of magnetic devices for information technology but also in the basic understanding of the physics of magnetic nanostructures. This volume describes thin film magnetic properties and methods for characterising thin film structure topics that underpin the present 'spintronics' revolution in which devices are based on combined magnetic materials and semiconductors. Volume IV deals with the fundamentals of spintronics: magnetoelectronic materials, spin injection and detection, micromagnetics and the development of magnetic random access memory based on GMR and tunnel junction devices. Together these books provide readers with a comprehensive account of an exciting and rapidly developing field. The treatment is designed to be accessible both to newcomers and to experts already working in this field who would like to get a better understanding of this very diversified area of research.
