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Developments in Data Storage. Materials Perspective. Edition No. 1

  • ID: 2173911
  • Book
  • December 2011
  • 352 Pages
  • John Wiley and Sons Ltd

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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Preface ix

Acknowledgments xi

Contributors xiii

1 Introduction 1
S. N. Piramanayagam

2 Fundamentals of Magnetism 10
Shiva Prasad and S. N. Piramanayagam

3 Longitudinal Recording Media 33
S. N. Piramanayagam

4 Perpendicular Recording Media 52
Kumar Srinivasan and S. N. Piramanayagam

5 Write Heads: Fundamentals 78
Naoki Honda and Kiyoshi Yamakawa

6 Magnetoresistive Read Heads: Fundamentals and Functionality 97
Rachid Sbiaa

7 Read Sensors for Greater Than 1 Tb/in.2 127
Guchang Han, Viloane Ko, Zaibing Guo, and Hao Meng

8 Thin-Film Media Lubricants: Structure, Characterization, and Performance 144
Bruno Marchon

9 Overcoat Materials for Magnetic Recording Media 167
Allen Poh Wei Choong, S. N. Piramanayagam, and Thomas Y. F. Liew

10 Heat-Assisted Magnetic Recording 193
Ganping Ju, William Challener, Yingguo Peng, Mike Seigler, and Ed Gage

11 L10 FePt for Magnetic Recording Media Application 223
Jiangfeng Hu, Jingsheng Chen, and Ganping Ju

12 Patterned Magnetic Recording Media: Progress and Prospects 256
Thomas Thomson and Bruce D. Terris

13 Phase Change Random Access Memory 277
Luping Shi, Rong Zhao, and Tow C. Chong

14 Nonvolatile Solid-State Magnetic Memory 297
Randall Law Yaozhang and Sunny Y. H. Lua

Index 326

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S. N. Piramanayagam
Tow C. Chong
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