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Few subjects in science are more difficult to understand than magnetism, according to Encyclopedia Britannica. However, there is a strong demand today for scientists and engineers with skills in magnetism because of the growing number of technological applications utilizing this phenomenon. This textbook responds to the need for a comprehensive introduction of the basic concepts of the science. Introduction to Magnetism and Magnetic Materials has been thoroughly revised since the first edition to include recent developments in the field. The early chapters comprise a discussion of the fundamentals of magnetism. These chapters include more than 60 sample problems with complete solutions to reinforce learning. The later chapters review the most significant recent developments in four important areas of magnetism: hard and soft magnetic materials, magnetic recording, and magnetic evaluation of materials. These later chapters also provide a survey of the most important areas of magnetic materials for practical applications. Extensive references to the principal publications in magnetism are listed at the end of each chapter, which offer the reader rapid access to more specialized literature. Students in various scientific areas will benefit from this book, including those in physics, materials science, metallurgy, and electrical engineering.
A comprehensive, easy-to-use guide to the fundamentals and applications of magnetism As magnetic recording technology continues to evolve at a rapid pace-in digital data storage as well as video and audio applications-there is a growing need for a basic primer to help explain advances in the field. Written by industry expert R. Lawrence Comstock, this immensely useful guide combines an introductory treatment of the physics and material science of magnetism with clear, thorough, up-to-date coverage of magnetic recording systems and their components. From basic magnetic properties to the fabrication of magnetic mate-rials to the magnetic recording process, Dr. Comstock examines in detail both theory and applications, reinforces concepts with real-world data, and provides insight into new and emerging technologies. Key topics include: * The ferromagnetism of the transition metals * Properties of ferromagnetic thin films * The state of the art of digital magnetic recording technology * Magnetic recording heads, including magnetoresistive and giant magnetoresistive heads * Recording media in disk drive technology An indispensable resource for engineers and scientists working on the development and manufacturing of magnetic recording technologies, Introduction to Magnetism and Magnetic Recording also features extensive tables of the properties of magnetic materials, 30 photographs, and more than 200 graphs. Dr. Comstock retired as a senior technical staff member from IBM after more than two decades of service. He was a Vice President of Advanced Technology at Maxtor Corporation for three years.
Intended for the newcomer to magnetism, this book will be useful as a text for students of magnetism and magnetic materials. It initially approaches the magnetic phenomena on an everyday macroscopic scale, then gradually progresses to smaller scale phenomena which will be of interest to physicists, materials scientists and electrical engineers. An advantage to this approach is that it is possible to introduce the subject from an appeal to the reader's experience rather than through abstract concepts.
A long overdue update, this edition of Introduction to Magnetism and Magnetic Materials is a complete revision of its predecessor. While it provides relatively minor updates to the first two sections, the third section contains vast updates to reflect the enormous progress made in applications in the past 15 years, particularly in magnetic recordin
This edition provides minor updates to outdated topics and includes substantial updates to the last 4 chapters due to major changes in applications and technologies in the 15 years since publication. Updated topics include soft magnetic materials, hard magnetic materials, magnetic storage of data and magnetic evaluation of materials. Information on magneto-transport, small particles, nanomagnetism, magnetic semiconductors, spintronics and high-frequency magnetism has been added. Each chapter also features updated and new homework problems, and there is an updated solutions manual.
An essential textbook for graduate courses on magnetism and an important source of practical reference data.
This expanded and updated new edition provides a comprehensive overview of the science and technology of magnetic recording. In the six years since the publication of the first edition, the magnetic recording and storage industry has burgeoned with the introduction of a host of new ideas and technologies. His book contains a discussion of almost every technologically important aspect of recording. - Continas complete coverage of the current technology of magnetic recording and storage - Written in a non-mathematical but scientifically accurate style - Permits intelligent evaluations to be made of both the past evolution and the future trends in a wide variety of magnetic storage devices
This book is a comprehensive text on the theory of the magnetic recording process.
Magnetic Materials is an excellent introduction to the basics of magnetism, magnetic materials and their applications in modern device technologies. Retaining the concise style of the original, this edition has been thoroughly revised to address significant developments in the field, including the improved understanding of basic magnetic phenomena, new classes of materials, and changes to device paradigms. With homework problems, solutions to selected problems and a detailed list of references, Magnetic Materials continues to be the ideal book for a one-semester course and as a self-study guide for researchers new to the field. New to this edition: • Entirely new chapters on Exchange Bias Coupling, Multiferroic and Magnetoelectric Materials, Magnetic Insulators • Revised throughout, with substantial updates to the chapters on Magnetic Recording and Magnetic Semiconductors, incorporating the latest advances in the field • New example problems with worked solutions