Note: Intro -- front-matter -- Table of Contents -- Preface -- 1 -- An Overview of Hard Ferrites: Types and Structures -- 1. Introduction -- 2. Classification and characteristics of hexaferrites -- 2.1 M-type hexaferrite -- 2.2 Z-type hexaferrite -- 2.3 Y-type hexaferrite -- 2.4 W-type hexaferrite -- 2.5 X-type hexaferrite -- 2.6 U-type hexaferrite -- 3. A brief description of the solid-state chemistry of hexaferrites -- 4. Approaches for better understanding of crystal structure of hexaferrites -- 4.1 Spinel based model -- 4.2 S/R/T blocks based model -- 5. Crystal structure of hexaferrites -- 5.1 M-type hexaferrite -- 5.2 W-type hexaferrite -- 5.3 X-type hexaferrite -- 5.4 Y-type hexaferrite -- 5.5 Z-type hexaferrite -- 5.6 U-type hexaferrite -- 6. Applications of hexaferrites -- Concluding Remarks -- References -- 2 -- Recent Advances in Processing of Hard Ferrites -- 1. Introduction -- 2. Fabrication of hard ferrites nanoparticles -- 2.1 Dry synthesis methods -- 2.1.1 Combustion method -- 2.1.2 Solid-state method -- 2.2 Wet synthesis method -- 2.2.1 Co-precipitation method -- 2.2.2 Sol-gel method -- 2.2.3 Spray pyrolysis method -- 2.2.4 Microwave-assisted combustion method -- 2.2.5 Microemulsion method -- 2.2.6 Citrate precursor method -- 2.2.7 Thermal decomposition method -- 2.2.8 Hydrothermal method -- 2.2.9 Reverse micelle method -- 2.2.10 Polyol method -- 2.2.11 Spray drying method -- 2.2.12 Sonochemical method -- 3. Comparision of synthesis methodologies -- Conclusion -- References -- 3 -- Effect of Substitution on the Dielectric and Magnetic Properties of BaFe12O19 -- 1. Introduction -- 1.1 Magnetic properties and morphology of copper-substituted barium hexaferrites -- 1.2 Effect of Co-Ti substitution on magnetic properties of nanocrystalline BaFe12O19. , 1.3 Effect of rare-earth materials substitution on the micro structural and magnetic properties of BaFe12O19 -- 1.4 The effect of Nb substitution on magnetic properties of BaFe12O19 nano hexaferrites -- 1.5 Magnetic properties of Cu and Al doped nano BaFe12O19 -- Conclusion -- References -- 4 -- Effect of Substitution on the Electric and Magnetic Properties of SrFe12O19 Hexa Hard Ferrites -- 1. Introduction -- 2. Synthesis technique for hexagonal hard ferrites -- 2.1 Standard ceramic techniques -- 2.2 Co-precipitation -- 2.3 Sol-Gel -- 3. Magnetism in hexagonal ferrites -- 4. Summary of hexagonal ferrites magnetic properties -- 5. Strontium hexa ferrites (SrM) -- 6. Effect of substitution on magnetic properties of SrFe12O19 hexa hard ferrite -- 6.1 Substituted strontium hexaferrite (SrM) -- 6.2 Magnetic properties -- 7. Magneto-dielectric properties -- 7.1 Dielectric properties -- 7.2 Magneto dielectric properties -- 8. Applications of hexagonal hard ferrites -- 8.1 Advanced ceramic materials for microwave and millimeter wave engineering -- Conclusion -- Future outlook -- References -- 5 -- Hard Ferrites for Permanent Magnets -- 1. Introduction -- 2. Structure, properties, and characteristics of hard ferrites -- 3. Generation of commerciallyavailable permanent magnets -- 3.1 Carbon steel magnets -- 3.2 Alcino magnets -- 3.3 Sm-Co magnets -- 3.4 Nd-Fe-B magnets -- 3.5 Hexaferrite/ferrite based magnets -- 4. Tasks for improving the hard ferrite-based magnets -- 5. Parameters responsible for improving the performance of the hard ferrites for their utilization in permanent magnets application -- 5.1 Influence of size at the nanoscale -- 5.2 Influence of the shape (Morphology) -- 5.3 Fabrication techniques for the preparation of hard ferrite-based nanomaterials -- 5.3.1 One dimensional nanostructure. , 5.4 Controlling substitution in the structure of hard ferrites -- 5.4.1 Enhancing magnetization (Ms) by substitution -- 5.4.2 Doing substitution in hexaferrites with large anisotropy and coercive field -- Concluding remarks -- References -- 6 -- Hard Ferrites for High Frequency Antenna Applications -- 1. Introduction -- 1.1 Ferrites for antenna application -- 2. Synthesis of hard ferries for antenna applications -- 2.1 Various synthesis methods -- 2.1.1 Ceramic powder milling method -- 2.1.2 Reaction in solid state method -- 2.1.3 Chemical coprecipitation method -- 2.1.4 Sol gel synthesis method -- 2.1.5 Temperature specific combustion synthesis -- 2.1.6 Hydrothermal synthesis method -- 2.1.7 Wet chemical method -- 2.1.8 Microemulsions method -- 3. Different compositions of hard ferrites for antenna applications -- 4. Factors affecting the performance of antenna -- 4.1 Size -- 4.2 Losses in dielectric material -- 4.3 The loss in propagation -- 4.4 Return loss -- 4.5 Radiation efficiency -- 5. Artificial materials to improve efficiency -- 5.1 Use of substrate integrated waveguide (SIW) to reduce loss -- 6. Future prospects of antenna -- Conclusion -- References -- 7 -- Applications of Hard Ferrites in Memory Devices -- 1. Introduction -- 2. Classification of ferrites -- 2.1 Spinel ferrites -- 2.2 Garnet ferrites -- 2.3 Ortho ferrites -- 2.4 Hexagonal ferrites -- 3. Preparation methods for ferrites -- 4. Hard ferrites -- 4.1 Application of hard ferrites -- 4.1.1 Inductors -- 4.1.2 Power -- 4.1.3 EMI shielding -- 5. Hard ferrites for memory devices -- 5.1 Multiple state memory devices -- 5.2 Magnetic core memory -- Conclusion -- Acknowledgement -- References -- back-matter -- Keyword Index -- About the Editors.