Developments in Data Storage (eBook)

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.

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

"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)