Developments in Data Storage: Materials Perspective / Edition 1

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A timely text on the recent developments in data storage, from a materials perspective

Ever-increasing amounts of data storage on hard disk have been made possible largely due to the immense technological advances in the field of data storage materials. Developments in Data Storage: Materials Perspective covers the recent progress and developments in recording technologies, including the emerging non-volatile memory, which could potentially become storage technologies of the future. Featuring contributions from experts around the globe, this book provides engineers and graduate students in materials science and electrical engineering a solid foundation for grasping the subject.

The book begins with the basics of magnetism and recording technology, setting the stage for the following chapters on existing methods and related research topics. These chapters focus on perpendicular recording media to underscore the current trend of hard disk media; read sensors, with descriptions of their fundamental principles and challenges; and write head, which addresses the advanced concepts for writing data in magnetic recording. Two chapters are devoted to the highly challenging area in hard disk drives of tribology, which deals with reliability, corrosion, and wear-resistance of the head and media.

Next, the book provides an overview of the emerging technologies, such as heat-assisted magnetic recording and bit-patterned media recording. Non-volatile memory has emerged as a promising alternative storage option for certain device applications; two chapters are dedicated to non-volatile memory technologies such as the phase-change and the magnetic random access memories.

With a strong focus on the fundamentals along with an overview of research topics, Developments in Data Storage is an ideal reference for graduate students or beginners in the field of magnetic recording. It also serves as an invaluable reference for future storage technologies including non-volatile memories.

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Editorial Reviews

From the Publisher
“The book will appeal to a wide audience, particularly to university level students with an interest in physics, chemistry, materials science and electronics. The chapters are well laid out, do not overwhelm the reader with too much complex information and are nicely illustrated.”  (Platinum Metals Review, 1 September 2012)
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Product Details

  • ISBN-13: 9780470501009
  • Publisher: Wiley
  • Publication date: 11/15/2011
  • Edition number: 1
  • Pages: 352
  • Product dimensions: 6.40 (w) x 9.30 (h) x 1.00 (d)

Meet the Author

S. N. Piramanayagam, PhD, is Senior Scientist at the Data Storage Institute, A*STAR (Agency for Science, Technology and Research), Singapore. He has twenty years of experience in the field of magnetic materials. Previously, Dr. Piramanayagam held an adjunct position at the National University of Singapore, where he taught in the field of magnetic materials for data storage. He has published more than 100 papers, delivered invited talks at international conferences, and conducted courses at various hard disk companies.

Professor Tow C. Chong is currently the founding provost of the Singapore University of Technology and Design (SUTD). He was executive director of the Data Storage Institute from 1988 to 2010 while working concurrently as professor in the Department of Electrical and Computer Engineering at the National University of Singapore. He is the author or coauthor of more than 300 publications in international refereed journals, has presented over twenty invited talks, and holds more than twenty patents.

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Table of Contents



1. Introduction.

2.Fundamentals of Magnetism.

3. Longitudinal Recording Media.

4. Perpendicular Recording Medium.

5. Writer heads – Fundamentals.

6. Magneto-resistive Read Heads: Fundamentals and Functionality.

7. Read sensors for over 1 Terabits per square inch.

8. Thin film media Lubricants: Structure, Characterization and Performance.

9. Overcoat Materials for Magnetic Recording Media.

10. Heat Assisted Magnetic Recording.

11. L lo FePt for Magnetic Recording Media Applications.

12. Patterned Magnetic Recording Media: Progress and Prospects.

13. Phase Change Random Access Memory.

14. Non-volatile Solid State Magnetic Memory.

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