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Author: Dan Wei
Publisher: Springer Science & Business Media
ISBN: 3642285775
Category : Technology & Engineering
Languages : en
Pages : 116
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Book Description
"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: Dan Wei
Publisher: Springer Science & Business Media
ISBN: 3642285775
Category : Technology & Engineering
Languages : en
Pages : 116
Get Book Here
Book Description
"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: En Hong Yuan
Publisher:
ISBN:
Category :
Languages : en
Pages : 146
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Book Description
Author: C. F. Brucker
Publisher:
ISBN:
Category :
Languages : en
Pages : 12
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Book Description
We have carried out a combined experimental and computer simulation study to specify and identify candidate films to support high areal density, thermally-assisted magnetic recording. The motivation of this work is to utilize the enhanced writability of very high coercivity materials that thermal assistance can provide. Media with high coercivity (and anisotropy K(sub u)) are known to be essential to achieve a sufficiently high ratio of K(sub u)V/k(sub B)T necessary to maintain magnetic stability at temperature T in media switching units (grains; single domains) of volume V. Nominally, we expect V infinity D(exp -3/2, where D is the medium bit density per unit area in recording. A micromagnetic recording simulation tool with a capability of representing realistic grain size distributions, temperature-dependent magnetic properties, and spatially-varying imposed temperature distributions was employed to study the interplay of thermal and magnetic field gradients in the recording process. In addition, a simple LLG-based thermomagnetic switching model supplemented the micromagnetics model. We fabricated improved Co/X multilayer media for recording evaluation, and performed standard materials characterization.
Author: Manish Kapoor
Publisher:
ISBN:
Category :
Languages : en
Pages : 218
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Book Description
Author: John C. Mallinson
Publisher: Academic Press
ISBN: 9780124666269
Category : Music
Languages : en
Pages : 242
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Book Description
An overview of the science and technology of magnetic recording. This book contains a discussion of almost every technologically important aspect of recording, including such topics as the fundamental physics and measurements of magnetism and magnetic materials, and the write and read processes.
Author: G.C. Hadjipanayis
Publisher: Springer Science & Business Media
ISBN: 1489925902
Category : Science
Languages : en
Pages : 710
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Book Description
Proceedings of a NATO ASI held in Aghia Pelaghia, Crete, Greece, June 24--July 6, 1990
Author:
Publisher: The Electrochemical Society
ISBN: 9781566772969
Category : Magnetic disks
Languages : en
Pages : 636
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Book Description
Author: K.H.J. Buschow
Publisher: Elsevier
ISBN: 0080457657
Category : Technology & Engineering
Languages : en
Pages : 1361
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Book Description
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
Author: IEEE Magnetics Society
Publisher:
ISBN:
Category : Magnetic devices
Languages : en
Pages : 774
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Book Description
Author: M.L. Plumer
Publisher: Springer Science & Business Media
ISBN: 364256657X
Category : Science
Languages : en
Pages : 364
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Book Description
Application-oriented book on magnetic recording, focussing on the underlying physical mechanisms that play crucial roles in medium and transducer development for high areal density disk drives.
