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Materials Development For Thermally Assisted Magnetic Recording Media
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Book Synopsis Materials Development for Thermally-Assisted Magnetic Recording Media by : C. F. Brucker
Download or read book Materials Development for Thermally-Assisted Magnetic Recording Media written by C. F. Brucker and published by . This book was released on 2001 with total page 12 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Book Synopsis Fundamentals and Applications of Magnetic Materials by : Kannan M. Krishnan
Download or read book Fundamentals and Applications of Magnetic Materials written by Kannan M. Krishnan and published by Oxford University Press. This book was released on 2016 with total page 817 pages. Available in PDF, EPUB and Kindle. Book excerpt: Students and researchers looking for a comprehensive textbook on magnetism, magnetic materials and related applications will find in this book an excellent explanation of the field. Chapters progress logically from the physics of magnetism, to magnetic phenomena in materials, to size and dimensionality effects, to applications. Beginning with a description of magnetic phenomena and measurements on a macroscopic scale, the book then presents discussions of intrinsic and phenomenological concepts of magnetism such as electronic magnetic moments and classical, quantum, and band theories of magnetic behavior. It then covers ordered magnetic materials (emphasizing their structure-sensitive properties) and magnetic phenomena, including magnetic anisotropy, magnetostriction, and magnetic domain structures and dynamics. What follows is a comprehensive description of imaging methods to resolve magnetic microstructures (domains) along with an introduction to micromagnetic modeling. The book then explores in detail size (small particles) and dimensionality (surface and interfaces) effects -- the underpinnings of nanoscience and nanotechnology that are brought into sharp focus by magnetism. The hallmark of modern science is its interdisciplinarity, and the second half of the book offers interdisciplinary discussions of information technology, magnetoelectronics and the future of biomedicine via recent developments in magnetism. Modern materials with tailored properties require careful synthetic and characterization strategies. The book also includes relevant details of the chemical synthesis of small particles and the physical deposition of ultra thin films. In addition, the book presents details of state-of-the-art characterization methods and summaries of representative families of materials, including tables of properties. CGS equivalents (to SI) are included.
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
Book Synopsis Applications of Ferromagnetic and Optical Materials, Storage and Magnetoelectronics by : Herman J. Borg
Download or read book Applications of Ferromagnetic and Optical Materials, Storage and Magnetoelectronics written by Herman J. Borg and published by . This book was released on 2001 with total page 556 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sputtering Materials for VLSI and Thin Film Devices by : Jaydeep Sarkar
Download or read book Sputtering Materials for VLSI and Thin Film Devices written by Jaydeep Sarkar and published by William Andrew. This book was released on 2010-12-13 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt: An important resource for students, engineers and researchers working in the area of thin film deposition using physical vapor deposition (e.g. sputtering) for semiconductor, liquid crystal displays, high density recording media and photovoltaic device (e.g. thin film solar cell) manufacturing. This book also reviews microelectronics industry topics such as history of inventions and technology trends, recent developments in sputtering technologies, manufacturing steps that require sputtering of thin films, the properties of thin films and the role of sputtering target performance on overall productivity of various processes. Two unique chapters of this book deal with productivity and troubleshooting issues. The content of the book has been divided into two sections: (a) the first section (Chapter 1 to Chapter 3) has been prepared for the readers from a range of disciplines (e.g. electrical, chemical, chemistry, physics) trying to get an insight into use of sputtered films in various devices (e.g. semiconductor, display, photovoltaic, data storage), basic of sputtering and performance of sputtering target in relation to productivity, and (b) the second section (Chapter 4 to Chapter 8) has been prepared for readers who already have background knowledge of sputter deposition of thin films, materials science principles and interested in the details of sputtering target manufacturing methods, sputtering behavior and thin film properties specific to semiconductor, liquid crystal display, photovoltaic and magnetic data storage applications. In Chapters 5 to 8, a general structure has been used, i.e. a description of the applications of sputtered thin films, sputtering target manufacturing methods (including flow charts), sputtering behavior of targets (e.g. current - voltage relationship, deposition rate) and thin film properties (e.g. microstructure, stresses, electrical properties, in-film particles). While discussing these topics, attempts have been made to include examples from the actual commercial processes to highlight the increased complexity of the commercial processes with the growth of advanced technologies. In addition to personnel working in industry setting, university researchers with advanced knowledge of sputtering would also find discussion of such topics (e.g. attributes of target design, chamber design, target microstructure, sputter surface characteristics, various troubleshooting issues) useful. . Unique coverage of sputtering target manufacturing methods in the light of semiconductor, displays, data storage and photovoltaic industry requirements Practical information on technology trends, role of sputtering and major OEMs Discussion on properties of a wide variety of thin films which include silicides, conductors, diffusion barriers, transparent conducting oxides, magnetic films etc. Practical case-studies on target performance and troubleshooting Essential technological information for students, engineers and scientists working in the semiconductor, display, data storage and photovoltaic industry
Book Synopsis Leading-edge Materials Science Research by : Paul W. Lamont
Download or read book Leading-edge Materials Science Research written by Paul W. Lamont and published by Nova Publishers. This book was released on 2008 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: Materials science includes those parts of chemistry and physics that deal with the properties of materials. It encompasses four classes of materials, the study of each of which may be considered a separate field: metals; ceramics; polymers and composites. Materials science is often referred to as materials science and engineering because it has many applications. Industrial applications of materials science include processing techniques (casting, rolling, welding, ion implantation, crystal growth, thin-film deposition, sintering, glassblowing, etc.), analytical techniques (electron microscopy, x-ray diffraction, calorimetry, nuclear microscopy (HEFIB) etc.), materials design, and cost/benefit tradeoffs in industrial production of materials. This book presents new and important research in the field including an Expert Commentary on carbon nanotube electronics.
Book Synopsis Functional Nanostructures by : Sudipta Seal
Download or read book Functional Nanostructures written by Sudipta Seal and published by Springer Science & Business Media. This book was released on 2010-06-02 with total page 607 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first book about functional nanostructures. Nanocrystalline materials exhibit outstanding properties and represent a new class of structural materials having a wide range of applications. In particular, there is considerable interest in developing nanocrystalline materials to be used as functional materials in aerospace applications, automotive industry, wear applications, etc. Future progress in these high technological applications of nanocrystalline materials depends on development of new methods of their fabrication and understanding of the underlying nano-scale and interface effects causing their unique mechanical properties.
Book Synopsis Handbook of Magneto-Optical Data Recording by : Terry W. McDaniel
Download or read book Handbook of Magneto-Optical Data Recording written by Terry W. McDaniel and published by Elsevier. This book was released on 1995-12-31 with total page 967 pages. Available in PDF, EPUB and Kindle. Book excerpt: This handbook brings together in a single volume expert contributions on the many aspects of MO data recording, including the materials in use, techniques for achieving recording function, and storage device subsystems. As a multiple author treatment, it brings perspective from many viewpoints and institutions. The insights delivered should be valuable to a wide audience from students to practitioners in all areas of information storage.
Book Synopsis Handbook of Magnetic Materials by : K.H.J. Buschow
Download or read book Handbook of Magnetic Materials written by K.H.J. Buschow and published by Elsevier. This book was released on 2011-03-02 with total page 456 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 19 of the Handbook of Magnetic Materials, as the preceding volumes, has a dual purpose. As a textbook it is intended to help 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 19 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 readers 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 Provide the readership with novel trends and achievements in magnetism
Book Synopsis Moving Media Storage Technologies by : Karl Paulsen
Download or read book Moving Media Storage Technologies written by Karl Paulsen and published by Taylor & Francis. This book was released on 2012-12-11 with total page 648 pages. Available in PDF, EPUB and Kindle. Book excerpt: Complex media storage computer systems are employed by broadcasters, digital cinemas, digital signage, and other business and entertainment venues to capture, store and retrieve moving media content on systems that will preserve the original integrity of the content over time and technological transition. This book provides detailed information related to the concepts, applications, implementation and interfaces of video file servers, intelligent storage systems, media asset management services, content distribution networks, and mission critical platforms. A tutorial and case example approach is taken to facilitate a thorough understanding of the technologies, using numerous illustrations, tables and examples. The text and appendices are designed to provide easy to access valuable reference and historical information. .A focus on the media serving concepts and principles employed at the enterprise level .Practical and technological summaries of the applications and linkages between media asset management and storage technologies for studio, television, and media production workflows .Illustrations, standards, tables, and practical summaries serve as handy reference tools
Book Synopsis International Journal of Micrographics & Optical Technology by :
Download or read book International Journal of Micrographics & Optical Technology written by and published by . This book was released on 2006 with total page 332 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Magneto-Optical Materials for Photonics and Recording: by : Koji Ando
Download or read book Magneto-Optical Materials for Photonics and Recording: written by Koji Ando and published by Cambridge University Press. This book was released on 2014-06-05 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: Researchers come together in this book, first published in 2005, to highlight advances in the fabrication of magneto-optical materials and their integration into various platforms, which continue to open up new avenues for the development of integrated magneto-photonic devices and magnetic recording media. One subject receiving significant attention is magnetic photonic crystals. Results on the superprism effect, and three-dimensional magnetophotonic crystals based on synthetic opals, are featured. A theoretical model for slowing down light in artificial magnetoelectric media is introduced. By fabricating multilayer thin-film stacks of magnetic materials, coupled either by means of their magnetostatic or exchange interactions, storage densities can now be substantially increased. Another avenue for increased storage density is heat-assisted magnetic recording (HAMR). A clever design of exchange-coupled ferromagnetic and antiferromagnetic materials is proposed as a HAMR medium that can satisfy both thermal stability and recordability requirements. In addition, experimental results demonstrate that ferromagnetic resonance frequency will not limit the switching rates at elevated temperatures and GHz data rates for HAMR media should be possible.
Book Synopsis Magnetic Materials, Processes, and Devices VII and Electrodeposition of Alloys by : S. Krongelb
Download or read book Magnetic Materials, Processes, and Devices VII and Electrodeposition of Alloys written by S. Krongelb and published by . This book was released on 2003 with total page 736 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Nano Deposition Methods by : Yuan Lin
Download or read book Advanced Nano Deposition Methods written by Yuan Lin and published by John Wiley & Sons. This book was released on 2016-12-12 with total page 328 pages. Available in PDF, EPUB and Kindle. Book excerpt: This concise reference summarizes the latest results in nano-structured thin films, the first to discuss both deposition methods and electronic applications in detail. Following an introduction to this rapidly developing field, the authors present a variety of organic and inorganic materials along with new deposition techniques, and conclude with an overview of applications and considerations for their technology deployment.
Book Synopsis Japanese Journal of Applied Physics by :
Download or read book Japanese Journal of Applied Physics written by and published by . This book was released on 2003 with total page 864 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Magnetic Hysteresis in Novel Magnetic Materials by : G.C. Hadjipanayis
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.
Book Synopsis Advanced Driver Assistance Systems and Autonomous Vehicles by : Yan Li
Download or read book Advanced Driver Assistance Systems and Autonomous Vehicles written by Yan Li and published by Springer Nature. This book was released on 2022-10-28 with total page 628 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive reference for both academia and industry on the fundamentals, technology details, and applications of Advanced Driver-Assistance Systems (ADAS) and autonomous driving, an emerging and rapidly growing area. The book written by experts covers the most recent research results and industry progress in the following areas: ADAS system design and test methodologies, advanced materials, modern automotive technologies, artificial intelligence, reliability concerns, and failure analysis in ADAS. Numerous images, tables, and didactic schematics are included throughout. This essential book equips readers with an in-depth understanding of all aspects of ADAS, providing insights into key areas for future research and development. • Provides comprehensive coverage of the state-of-the-art in ADAS • Covers advanced materials, deep learning, quality and reliability concerns, and fault isolation and failure analysis • Discusses ADAS system design and test methodologies, novel automotive technologies • Features contributions from both academic and industry authors, for a complete view of this important technology
