1 Microstructure and Properties of Functional Ceramics
1.1 General Description
1.2 Grain
1.2.1 Grain category
1.2.2 Grain properties
1.3 Grain Boundary Structures
1.3.1 Concepts of grain boundary structures
1.3.2 Properties of grain boundary structures
1.3.3 Nano grain boundary structures
1.4 Pore Phases
1.5 Domain Structure
1.6 Mechanical Properties of Ferroelectric Ceramics
1.6.1 General.
1.6.2 Electric domain and internal stress
1.6.3 PLZT ceramics and internal stress
1.6.4 PTC ceramics and internal stress
1.6.5 Aging
1.7 Capacitor Ceramics
1.7.1 Ordinary dielectric materials for capacitor
1.7.2 Relaxor ferroelectric materials
1.7.3 Microwave dielectric materials
1.8 Piezoelectric Ceramics
1.8.1 Microstructures of piezoelectric ceramics
1.8.2 Properties of piezoelectric ceramics
1.9 Transparent Ferroelectric Ceramics
1.9.1 Microstructures of transparent ferroelectric ceramics
1.9.2 Experimental method and two phases of PLZT ceramics
1.9.3 Domain switching properties of PLZT ceramics
1.9.4 Grain boundaries in PLZT ceramics
1.9.5 Summary
1.10 Thermistor Materials
1.10.1 Microstructures and properties of PTC materials
1.10.2 NTC materials and segregation at grain boundaries
1.11 Varistor Materials
1.12 Ceramics for Humidity Sensitive Resistor
1.13 Magnetic Ceramics
1.14 Biologically Functional Ceramics
1.15 Functional Ceramic Films
1.16 Alumina Ceramics
1.17 Summary
References
2 Grain Boundary Phenomena of Functional Ceramics
2.1 Introduction
2.2 Generalization of Grain Boundary
2.2.1 Grain boundary structure
2.2.2 Grain boundary properties
2.3 Grain Boundary Segregation
2.3.1 Generalization
2.3.2 Boundary layer capacitors
2.3.3 PTC materials
2.3.4 Magnetic ceramics
2.3.5 ZnO varistor materials
2.3.6 Other examples of segregation
2.4 Grain Boundary Region
2.4.1 General description about grain boundary region
2.4.2 Grain boundary region of BaTiO3 ceramics
2.4.3 Grain boundary region of PLZT ceramics
2.4.4 Grain boundary region and stress
2.4.5 "Core-shell" structure
2.5 Grain Boundary Migration
2.5.1 Generalization
2.5.2 Centripetal and acentric grain boundary migration
2.5.3 Liquid phase and abnormal grain growth during sintering
2.6 Relation between Grain Boundary and Properties
2.6.1 Influence on mechanical properties
2.6.2 Influence on electric properties
2.7 Summary
References
3 Near-field Acoustic Microscopy of Functional Ceramics
3.1 Introduction
3.2 History and Development of Scanning Electron Acoustic Microscopy
3.3 Physical Principle of SEAM Imaging
3.4 Scanning Electron Acoustic Microscopy Image Processing System
3.5 Theory Studies of Electron-acoustic Imaging
3.6 SEAM Imaging of Ferroic and Other Materials
3.6.1 SEAM imaging features of ferroelectric domains
3.6.2 Electron-acoustic imaging of ferroelectric materials
3.6.3 Ferroelectric Bi4Ti3012 single crystal
3.6.4 Ferroelasitc NdPsO6 single crystal
3.7 Magnetic Domains in Austenitic Steel
3.8 Modulation Frequency Dependence of SEAM Imaging Domain Structures
3.9 Electric Field Dependence of SEAM Imaging Domains
3.10 Temperature Dependence of Ferroelastic Domains in PMN- PT Single Crystals
3.11 SEAM imaging of Other Materials
3.11.1 Residual stress distribution in Ti3N4 coatings
3.11.2 Stress distribution in ferroelectric composites
3.11.3 Stress distribution in Si3N4 and ZrSiO4 ceramics
3.11.4 Stress distribution of A1 metal
3.11.5 Surface structures and internal defects in lead-free piezoelectric ceramics
3.11.6 Phase transitions in superconductor ceramics
3.11.7 SEAM imaging of MEMS devices
3.12 Scanning Probe Acoustic Microscopy
3.12.1 Tip-vibration mode scanning probe acoustic microscope
3.12.2 Sample-vibration mode scanning probe acoustic microscopy
3.13 Comparisons of SEAM with SPAM
References
4 Piezoresponse Force Microscopy of Functional Ceramics
4.1 Introduction
4.2 History and Development of Scanning Probe Microcopy
4.3 Piezoresponse Force Microscopy
4.3.1 Operation principle
4.3.2 PFM imaging features
4.4 PFM Imaging of Ferroelectric Domains
4.4.1 Ferroelectric thin films
4.4.2 Ferroelectric ceramics
4.4.3 Ferroelectric single crystals
4.5 Dynamic Behavior of Nanoscale Domain Structure
4.5.1 Domain writing
4.5.2 Domain nucleation and reversal
4.6 PFM and SPAM Characterization of Ferroelectric Materials
4.6.1 Bi4Ti3012 lead-free ceramics
4.6.2 PMN-PT single crystal
4.7 Summary
References
5 Fabrication Processes for Functional Ceramics
5.1 Introduction
5.1.1 Capacitor ceramics
5.1.2 Ferrite ceramics
5.1.3 Corundum ceramics
5.1.4 Piezoelectric ceramics
5.1.5 PTC ceramics
5.1.6 Varistor ceramics
5.1.7 Superconductor ceramics
5.2 Raw Material and Powder Preparation
5.2.1 Ball mill mixing and grinding
5.2.2 Powder preparation by oxide methods
5.2.3 Powder preparat.ion by co-precipitation
5.2.4 Powder preparation by sol-gel method
5.2.5 Powder preparation by hydrothermal method
5.2.6 Powder preparation by spray pyrolysis
5.3 Shaping and Forming of Functional Ceramics
5.3.1 Processing of thin films
5.3.2 Processing of thick films
5.3.3 Dry pressing
5.3.4 Iso-static pressing
5.3.5 Hot injection moulding
5.3.6 Slip casting
5.4 Sintering
5.4.1 Sintering mechanisms
5.4.2 Sintering process
5.4.3 Grain growth
5.4.4 Abnormal grain growth
5.4.5 The effects of pressure and atmosphere on sintering
5.4.6 Pressure sintering
5.4.7 Micro-porosity sintering
5.4.8 Microwave sintering
5.5 Mechanical Finishing
5.6 Electroding
5.6.1 Electroding from silver paste
5.6.2 Electroding from nickel plating
5.6.3 Other electroding methods
References
6 Review and Prospect of Functional Ceramics
6.1 Evolution of Ceramics
6.2 Development of Functional Ceramics and Relation with Other Factors
6.3 Importance and Complexity of Understanding Functional Ceramic Effects and Mechanism
6.4 Emphasis of Ceramic Processing
6.5 Future Development of Functional Ceramics
6.5.1 Dielectric ceramics and devices
6.5.2 Chip type ceramic devices
6.5.3 High performance, high temperature piezoelectric ceramics.
6.5.4 Lead-free piezoelectric ceramics
6.5.5 Thermoelectric ceramics
6.5.6 Functional ceramic films
6.5.7 Functional crystals
6.5.8 Battery materials
6.5.9 High temperature superconductive ceramics
6.5.10 Fabrication of ceramic micro-components
References
Index
Appendix