chapter 1 introduction 1.1 background of the research on fracture mechanics of piezoelectric/ferroelectric materials 1.2 development course and trend 1.3 framework of the book and content arrangements references chapter 2 physical and material properties of dielectrics 2.1 basic concepts of piezoelectric/ferroelectric materials 2.2 crystal structure of dielectrics 2.3 properties of electric polarization and piezoelectricity 2.3.1 microscopic mechanism of polarization 2.3.2 physical description of electric polarization 2.3.3 dielectric constant tensor of crystal and its symmetry 2.4 domain switch of ferroelectrics 2.4.1 electric domain and domain structure 2.4.2 switching of electric domain and principles for domain switch
