Electromagnetic Wave Absorbing Materials

List of Contributors xi

Overview of the Work xiii

Acknowledgments xv

1 Metal-Organic Framework-Based Electromagnetic Wave Absorption Materials 1
Zijing Li

1.1 Brief Introduction to Metal-Organic Frameworks 1

1.2 Preparation Method of MOF Materials 2

1.3 MOF-Derived EMW Absorption Materials 11

1.4 Summarize and Prospect 22

2 2D MXenes for Electromagnetic Wave Absorption 31
Weibin Deng

2.1 Introduction to MXenes 32

2.2 Preparation Method of MXenes 32

2.3 The Properties of MXenes 37

2.4 Electromagnetic Wave Absorption Performance of Pure MXenes 39

2.5 Classification of MXenes in EMW Absorbing Materials 44

2.6 The Application Prospects of MXenes in EMW-Absorbing Materials 58

3 High-Entropy Electromagnetic Wave Absorption Materials 67
Shengchong Hui

3.1 The Concept and Features of High-Entropy Materials 67

3.2 The Synthesis Approach and Advanced Characterization of HEM 71

3.3 High-Entropy Electromagnetic Wave Absorption Materials 77

3.4 The Challenge and Prospects of HEM 85

4 Novel Microscopic Electromagnetic Loss Mechanisms 91
Hongsheng Liang

4.1 Novel Dielectric Loss Mechanisms 91

4.2 Novel Microscopic Magnetic Loss Mechanisms 103

4.3 Conclusion and Outlook 112

5 Bridging Mechanisms Between Micro and Macro 117
Geng Chen, Tao Zhang, and Yuntong Wang

5.1 Introduction to Micro Factors 118

5.2 Regulation of Microscopic Attributes 130

5.3 The Current State and Future Potential of Bridge Mechanism Between Micro and Macro Levels 137

6 New Dielectric Physical Models for Electromagnetic Wave Absorption 145
Hongsheng Liang

6.1 Dielectric Microphysical Model 145

6.2 Physical Models Related to Structural Design 156

6.3 Intelligent Off/On Switchable Model 162

6.4 Conclusion and Outlook 165

7 Integrated Foam-Type Electromagnetic Wave Absorption Materials 169
Qing Chang

7.1 Carbon-Based Foam for EMW Absorption 169

7.2 Ferrite-Based Foam for EMW Absorption 185

7.3 SiC-Based Foam for EMW Absorption 188

7.4 Conductive Polymer Composites Foam for EMW Absorption 191

8 Integral Gel Electromagnetic Wave Absorption Materials 199
Jiaming Wen

8.1 Dielectric Liquid Medium Gel Electromagnetic Wave Absorption Materials 200

8.2 Dielectric Solid Medium Gel EMW Absorption Materials 206

8.3 Prospect of Integral Gel EMW Absorption Materials 215

9 Thin-Film Electromagnetic Wave Absorption Materials 221
Bin Shi

9.1 Introduction 221

9.2 Film Electromagnetic Wave Absorption Materials 221

9.3 The Conclusion and Prospect 238

References 239

Index 241