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Author : Samuel Wonder Yuan
Publisher :
ISBN 13 :
Total Pages : 728 pages
Book Rating : 4.:/5 (318 download)
Download or read book Micromagnetics of Domains and Walls in Soft Ferromagnetic Materials written by Samuel Wonder Yuan and published by . This book was released on 1992 with total page 728 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : André Thiaville
Publisher : Elsevier Inc. Chapters
ISBN 13 : 0128086807
Total Pages : 69 pages
Book Rating : 4.1/5 (28 download)
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 69 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.
Author : Dan Wei
Publisher : Springer Science & Business Media
ISBN 13 : 3642285775
Total Pages : 116 pages
Book Rating : 4.6/5 (422 download)
Download or read book Micromagnetics and Recording Materials written by Dan Wei and published by Springer Science & Business Media. This book was released on 2012-04-28 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Micromagnetics and Recording Materials" is a book trying to give a systematic theory of computational applied magnetism, based on Maxwell equations of fields and Landau-Lifshitz equations of magnetic moments. The focused magnetic materials are magnetic recording materials utilized in computer hard disk drives. Traditionally, “Micromagnetics” includes the areas of “magnetization curve theory", “domain theory" and “read and write process analyses in recording systems”. As Springer Briefs, this book includes the first two areas of micromagnetics. M-H loops of hard magnetic thin film media, soft magnetic layers and Tunneling MagnetoResistive spin valves are solved based on the microstructures of thin films. Static domain structures and dynamic switching processes are analyzed in the arbitrary-shaped magnetic devices such as write head pole tips and magnetic force microscope tips. The book is intended for researchers who are interested in applied magnetism and magnetic recording in all disciples of physical science. Prof. Dan Wei works at Tsinghua University, China.
Author : H. A. van den Berg-Noë
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (112 download)
Download or read book Micromagnetics and domains in soft-ferromagnetic media written by H. A. van den Berg-Noë and published by . This book was released on 1984 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Helmut Kronmüller
Publisher : Cambridge University Press
ISBN 13 : 9780521331357
Total Pages : 466 pages
Book Rating : 4.3/5 (313 download)
Download or read book Micromagnetism and the Microstructure of Ferromagnetic Solids written by Helmut Kronmüller and published by Cambridge University Press. This book was released on 2003-08-28 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: The main theme of this book is micromagnetism and microstructure as well as the analysis of the relations between characteristic properties of the hysteresis loop and microstructure. Also presented is an analysis of the role of microstructure in the fundamental magnetic properties (for example, magnetorestriction or critical behaviour) of crystalline and amorphous alloys. The authors apply the theory of micromagnetism to all aspects of advanced magnetic materials including domain patterns and magnetization processes under the influence of defect structures. Coverage includes modern developments in computational micromagnetism and its application to spin structures of small particles and platelets. It will be of interest to researchers and graduate students in condensed matter, physics, electrical engineering and materials science, as well as to industrial researchers working in the electrotechnical and recording industry.
Author : Alex Hubert
Publisher : Springer Science & Business Media
ISBN 13 : 3540850546
Total Pages : 707 pages
Book Rating : 4.5/5 (48 download)
Download or read book Magnetic Domains written by Alex Hubert and published by Springer Science & Business Media. This book was released on 2008-10-10 with total page 707 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers systematic and up-to-date treatment of the whole area of magnetic domains. It contains many contributions that have not been published before. The comprehensive survey of this important area gives a good introduction to students and is also interesting to researchers.
Author : H. A. M. van den Berg
Publisher :
ISBN 13 :
Total Pages : 190 pages
Book Rating : 4.:/5 (311 download)
Download or read book Micromagnetics and Domains in Soft - Ferromagnetic Media written by H. A. M. van den Berg and published by . This book was released on 1984 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Teruya Shinjo
Publisher : Elsevier
ISBN 13 : 0080932169
Total Pages : 324 pages
Book Rating : 4.0/5 (89 download)
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 324 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
Author : Zhenzhou Guo
Publisher :
ISBN 13 :
Total Pages : 174 pages
Book Rating : 4.:/5 (321 download)
Download or read book Numerical Micromagnetic Modeling of Domain Structures in Soft Magnetic Materials written by Zhenzhou Guo and published by . This book was released on 1994 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : K.H.J. Buschow
Publisher : Elsevier
ISBN 13 : 0080459498
Total Pages : 551 pages
Book Rating : 4.0/5 (84 download)
Download or read book Handbook of Magnetic Materials written by K.H.J. Buschow and published by Elsevier. This book was released on 2006-02-08 with total page 551 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 16 of the Handbook on the Properties of Magnetic Materials, as the preceding volumes, has a dual purpose. As a textbook it is intended to be of assistance to those who wish to be introduced to a given topic in the field of magnetism without the need to read the vast amount of literature published. As a work of reference it is intended for scientists active in magnetism research. To this dual purpose, Volume 16 of the Handbook is composed of topical review articles written by leading authorities. In each of these articles an extensive description is given in graphical as well as in tabular form, much emphasis being placed on the discussion of the experimental material in the framework of physics, chemistry and material science. It provides the readership with novel trends and achievements in magnetism. * composed of topical review articles written by leading authorities.* intended to be of assistance to those who wish to be introduced to a given topic in the field of magnetism.* as a work of reference it is intended for scientists active in magnetism research.* provides the readership with novel trends and achievements in magnetism.
Author : Giorgio Bertotti
Publisher : Academic Press
ISBN 13 : 0080534376
Total Pages : 576 pages
Book Rating : 4.0/5 (85 download)
Download or read book Hysteresis in Magnetism written by Giorgio Bertotti and published by Academic Press. This book was released on 1998-05-21 with total page 576 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive treatment of the physics of hysteresis in magnetism and of the mathematical tools used to describe it. Hysteresis in Magnetism discusses from a unified viewpoint the relationsof hysteresis to Maxwells equations, equilibrium and non-equilibrium thermodynamics, non-linear system dynamics, micromagnetics, and domain theory. These aspects are then applied to the interpretation of magnetization reversal mechanisms: coherent rotation and switching in magnetic particles, stochastic domain wall motion and the Barkhausen effect, coercivity mechanisms and magnetic viscosity, rate-dependent hysteresis and eddy-current losses. The book emphasizes the connection between basic physical ideas and phenomenological models of interest to applications, and, in particular, to the conceptual path going from Maxwells equations and thermodynamics to micromagnetics and to Preisach hysteresis modeling. The reader will get insight into the importance and role of hysteresis in magnetism; In particular, he will learn: which are the fingerprints of hysteresis in magnetism which are the situations in which hysteresis may appear how to describe mathematically these situations how to apply these descriptions to magnetic materials how to interpret and predict magnetic hysteresis phenomena observed experimentally
Author : K. H. Stewart
Publisher : Cambridge University Press
ISBN 13 : 1107662990
Total Pages : 197 pages
Book Rating : 4.1/5 (76 download)
Download or read book Ferromagnetic Domains written by K. H. Stewart and published by Cambridge University Press. This book was released on 2016-04-15 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt: Originally published in 1954, this book presents a detailed study of the properties of ferromagnetic substances. After an introductory survey the text considers in detail the various factors affecting the behaviour of individual domains. It will be of value to anyone with an interest in ferromagnetism, industrial physics and the history of science.
Author : Teruya Shinjo
Publisher : Elsevier
ISBN 13 : 0444632778
Total Pages : 373 pages
Book Rating : 4.4/5 (446 download)
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 373 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
Author : G.C. Hadjipanayis
Publisher : Springer Science & Business Media
ISBN 13 : 9401154783
Total Pages : 866 pages
Book Rating : 4.4/5 (11 download)
Download or read book Magnetic Hysteresis in Novel Magnetic Materials written by G.C. Hadjipanayis and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 866 pages. Available in PDF, EPUB and Kindle. Book excerpt: A detailed presentation of the physics of the various hysteresis models that are currently used to explain the magnetization reversal process, including coherent and incoherent magnetization processes, micromagnetism and its application in thin films, multilayers, nanowires, particles and bulk magnets, domain wall pinning and domain wall dynamics, and Preisach modelling. Some of the faulty concepts and interpretations that still exist in the literature are rectified. Magnetic imaging techniques are reviewed, including TEM, SEM, magnetic force microscopy, and optical microscopy. Temperature, field and angular dependence of coercivity, magnetic interactions and magnetic phenomena are reviewed and their effect on magnetic hysteresis is discussed. The magnetic properties of novel materials are discussed, including nanoparticles, nanocrystalline granular solids, particulate media, thin films, and bulk magnets. Finally, present and future applications of novel materials are presented, including magnetic and magneto-optic recording media, magneto-electronics, sensors, magnetic circuit design, and novel structures created from rigid, high-energy permanent magnets.
Author : George T. Rado
Publisher : Academic Press
ISBN 13 : 1483268322
Total Pages : 640 pages
Book Rating : 4.4/5 (832 download)
Download or read book Spin Arrangements and Crystal Structure, Domains, and Micromagnetics written by George T. Rado and published by Academic Press. This book was released on 2013-10-22 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spin Arrangements and Crystal Structure, Domains, and Micromagnetics deals with cooperative phenomena characterized by ordered arrangements of magnetic moments subject to strong mutual interactions. The emphasis is on the ferromagnetism, ferrimagnetism, and antiferromagnetism of magnetically ordered materials such as insulators and metals. Both theoretical and experimental points of view are presented. Comprised of 12 chapters, this volume begins with an introduction to magnetism and crystal structure in nonmetals, followed by an evaluation of exchange interactions from experimental data. Subsequent chapters focus on the theory of neutron scattering by magnetic crystals; spin configuration of ionic structures; spin arrangements in metals; and permanent magnet materials. Fine particles, thin films, and exchange anisotropy are also considered, with particular reference to the effects of finite dimensions and interfaces on the basic properties of ferromagnets. The book also examines micromagnetics; domains and domain walls; the structure and switching of permalloy films; magnetization reversal in nonmetallic ferromagnets; and preparation and crystal synthesis of magnetic oxides. This book will be a useful resource for professionals and students with physics or chemistry backgrounds.
Author : Thomas Henry O'Dell
Publisher : John Wiley & Sons
ISBN 13 :
Total Pages : 248 pages
Book Rating : 4.:/5 (44 download)
Download or read book Ferromagnetodynamics written by Thomas Henry O'Dell and published by John Wiley & Sons. This book was released on 1981 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : K.H.J. Buschow
Publisher : Elsevier
ISBN 13 : 0080457657
Total Pages : 1361 pages
Book Rating : 4.0/5 (84 download)
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
