Developments in Data Storage: Materials Perspective

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