Table of Contents

List of Contributors xvii

Preface xxiii

Part One Fundamentals 1

1 Overview of Magnetic Nanomaterials 3
Ziyu Yang, Shuang Qiao, Shouheng Sun, and Yanglong Hou

1.1 Introduction 3

1.2 Typical Characterization of Magnetic Nanomaterials 14

1.3 Conclusions 22

References 22

2 Magnetism of Nanomaterials 29
Ralph Skomski, Balamurugan Balasubramanian, and David J. Sellmyer

2.1 Introduction 29

2.2 Nanomagnetic Phenomena of Atomic Origin 48

2.3 Micromagnetics 52

2.4 Spin-Dependent Transport 64

Appendices 71

Appendix 2.A: Functional Derivatives and Materials Equations 71

Appendix 2.B: Relativistic Physics 72

Appendix 2.C: Unit Conversion in Magnetism 74

Acknowledgments 74

References 74

Part Two Synthesis 81

3 Overview of Synthesis of Magnetic Nanomaterials 83
Xin Chu and Yanglong Hou

3.1 Introduction 83

3.2 General Synthesis Mechanism of Magnetic Nanoparticles 85

3.3 Typical Methods and Equipment of Magnetic Nanomaterials Synthetic Techniques: Chemical Approaches 85

3.4 Typical Methods and Equipment of Magnetic Nanomaterials Synthetic Techniques: Physical Approaches 104

3.5 Conclusions and Perspectives 113

References 114

4 Synthesis of Soft Magnetic Nanomaterials and Alloys 121
Song Lan and Matthew A. Willard

4.1 Introduction 121

4.2 Nanoparticles 123

4.3 Nanorods 127

4.4 Thin Films 134

4.5 Ribbons 136

4.6 Conclusions 140

References 141

5 Synthesis of Nanostructured Rare-Earth Permanent Magnets 147
Ming Yue and George C. Hadjipanayis

5.1 Introduction 147

5.2 RCox-Based (R = Sm, Pr, Y, La) Nanostructured Magnets 155

5.3 R2Fe14B-Based (R = Pr, Nd, Tb, Dy) Magnets 161

5.4 Conclusions and Perspectives 166

References 166

6 Synthesis of Rare Earth Free Permanent Magnets 175
Shenqiang Ren and Jinbo Yang

6.1 Introduction 175

6.2 Tetragonal L10 FeCo 175

6.3 MnBi Low-Temperature Phase 179

6.4 Conclusions and Perspective 186

Acknowledgment 187

References 187

7 Synthesis and Properties of Magnetic Chalcogenide Nanostructures 191
Karthik Ramasamy, Soubantika Palchoudhury, and Arunava Gupta

7.1 Introduction 191

7.2 Synthesis Methods of Binary Magnetic Chalcogenide

7.3 Synthesis Methods of Ternary and Higher Order Magnetic

Chalcogenides Nanostructures 201

7.4 Structural and Magnetic Characterizations of Magnetic Chalcogenide Nanostructures 206

7.5 Potential Applications of Magnetic Chalcogenide Nanostructures 208

7.6 Conclusions and Perspectives 211

Acknowledgments 212

References 212

8 Magnetic Multicomponent Heterostructured Nanocrystals 217
P. Davide Cozzoli, Concetta Nobile, Riccardo Scarfiello, Angela Fiore, and Luigi Carbone

8.1 Introduction 217

8.2 Synthesis of Heterostructured Nanocrystals: Basic Concepts and Guiding Criteria 219

8.3 Heterostructures with Core/Shell Geometries 223

8.4 Nanohetero-Oligomer Architectures 245

8.5 Conclusions 266 Acknowledgment 267 References 267

9 Wet-Phase Synthesis of Typical Magnetic Nanoparticles with Controlled Morphologies 291
Jiajia Liu, Jia Liu, Meng Xu, and Jiatao Zhang

9.1 Introduction 291

9.2 Synthesis of Hollow/Porous Magnetic Nanoparticles 303

9.3 Conclusions and Perspectives 317

Acknowledgment 317

References 317

10 Self-Assembly of Co Nanocrystals Self-Assembled in 2D and 3D Superlattices: Chemical and Physical Specific Properties 327 Marie-Paule Pileni

10.1 Introduction 327

10.2 Control of Crystalline Structure of Nanoparticles (Nanocrystallinity) and the Nanocrystal Size 328

10.3 Nano-Kirkendall Effect on Co Nanocrystals: Influence of Size and Nanocrystallinity [51–54] 329

10.4 3D Self-Assemblies of Magnetic Supracrystals: Various Structures and Specific Behaviors 331

10.5 3D Self-Assemblies of Magnetic Supracrystals: Physical Properties 333

10.6 Conclusions 337

Acknowledgment 338

References 338

Part Three Applications 343

11 Magnetic Nanoparticles for Bioseparation, Biosensing, and Regenerative Medicine 345
Yiyuan Han, Min Wang, and Chenjie Xu

11.1 Introduction 345

11.2 Synthesis and Modification of High-Moment Magnetic Nanoparticles 346

11.3 Magnetic Nanomaterials for Bioseparation 347

11.4 Magnetic Nanoparticles for Magnetic Biosensing 354

11.5 Magnetic Nanoparticles for Regenerative Medicine 358

11.6 Challenges and Perspectives 360

References 360

12 Magnetic Nanomaterials for Diagnostics 365
Zijian Zhou and Xiaoyuan Chen

12.1 Introduction 365

12.2 Biocompatibility of Magnetic Nanoparticles 366

12.3 Surface Functionalization of Magnetic Nanomaterials 368

12.4 Magnetic Resonance Imaging (MRI) 372

12.5 Magnetoacoustic Tomography (MAT) 378

12.6 Magnetic Particle Imaging (MPI) 381

12.7 Multimodality Imaging 384

12.8 Conclusions and Perspectives 386

References 387

13 Magnetic Nanomaterials for Therapy 393
Daishun Ling and Taeghwan Hyeon

13.1 Introduction 393

13.2 Imaging-Guided Therapy Using Magnetic Nanomaterials 393

13.3 Magnetic Hyperthermia 407

13.4 Targeted Gene Delivery 419

13.5 Manipulation of Cellular Functions 425

13.6 Conclusions and Perspectives 429

Acknowledgments 431

References 431

14 Magnetic Nanomaterials for Data Storage 439
Jung-Wei Liao, Hong-Wei Zhang, and Chih-Huang Lai

14.1 Introduction: Magnetic Data Storage and its Requirements on Magnetic Nanomaterials 439

14.2 Nanostructured Magnetic Thin Films for Data Storage: Overview of Perpendicular Recording (PMR) Media 442

14.3 Nanostructured Magnetic Thin Films for Data Storage: Overview of FePt Media for Heat-Assisted Magnetic Recording (HAMR) 446

14.4 Monodisperse Magnetic Nanoparticles: Synthesis, Phase Transition, Orientation Control, and Nanocomposites 450

14.5 Patterned Magnetic Nanostructures for Bit Patterned Media Through Bottom-Up Approach: Self-Assembly and Guided Assembly of Block Copolymer 454

14.6 Patterned Magnetic Nanostructures for Bit Patterned Media Through Top-Down Approach: Lithograph 462

14.7 Conclusions and Perspectives 465

References 467

15 Magnetic Nanomaterials for Electromagnetic Wave Absorption 473
Ling Bing Kong, Lie Liu, Zhihong Yang, Sean Li, and Tianshu Zhang

15.1 Introduction 473

15.2 Magnetic Nanosized Powders and Composites 474

15.3 Nanosized Carbon Materials with Magnetic Components 506

15.4 Concluding Remarks 509

References 510

16 Magnetic Nanomaterials for Water Remediation 515
Peirui Liu and Yu Hong

16.1 Introduction 515

16.2 Magnetic Nanomaterials for Adsorption and Removal of Pollutants in Water 516

16.3 Magnetic Nanomaterials for Catalytic Degradation of Wastewater 525

16.4 Magnetic Nanomaterials for Wastewater Resources Recovery 529

16.5 Magnetic Nanomaterials for Monitoring and Analysis Technologies 530

16.6 Conclusion and Perspectives 534

Acknowledgment 535

References 535

Index 547

About the Author

Dr. Yanglong Hou is a Chang Jiang Chair Professor of Materials Science at Peking University (PKU). His research interests include the design and chemical synthesis of magnetic nanoparticles and graphene-based nanocomposites, and their applications in biomedicine and energy. He earned his Ph.D. degree from Harbin Institute of Technology in 2000. After postdoctoral research at Peking University, the University of Tokyo and Brown University, he joined PKU as an associate professor in December 2007, and was promoted to Professor in 2012.
He has published over 110 papers in peer-reviewed scientific journals and has received numerous scientific awards, including the CCS-RSC Young Chemist and the JSPS Fellow award.

David J. Sellmyer received B.S. and Ph.D. degrees in Physics from the University of Illinois and Michigan State University, respectively. He was an Assistant and Associate Professor of Materials Science and Engineering at MIT before moving to the University of Nebraska where he became Chair of Physics, and presently George Holmes University Distinguished Professor. He is the founding Director of the Nebraska Center for Materials and Nano-science and the Nebraska Nanoscale Facility, a site of the NSF National Nanotechnology Coordinated Infrastructure.
He has authored or edited more than 650 publications, and is a Fellow of the American Physical Society and American Association for the Advancement of Science.