New IEEE Standard – Inactive-Withdrawn. Terms applying primarily to ferroelectric materials, including single crystals, polycrystalline ceramics, and semi-crystalline polymers, are defined. Because of the coupling that exists between ferroelectric and ferroelastic behavior in some crystalline materials, ferroelastic terms are also defined. When particular terms are related to experimental measurements, the basic measuring techniques are briefly described.<\/p>\n
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|---|---|---|---|---|---|---|---|
| 9<\/td>\n | Introduction and References 1.1 Introduction 1.1.1 Discussion of Ferroic Materials 1.1.2 Hierarchy Among Piezoelectric Pyroelectric and Ferroelectric Materials 1.1.2.1 PolarAxis <\/td>\n<\/tr>\n | ||||||
| 10<\/td>\n | 1.1.2.2 Pyroelectric Effect 1.1.3 Symbols and Units Table 1 List of Symbols and Units <\/td>\n<\/tr>\n | ||||||
| 11<\/td>\n | 1.2 References 2 Ferroelectric Materials: Definitions and Measuring Techniques 2.1 Ferroelectric Materials 2.2 Polarization 2.2.1 Permittivity 2.2.2 Spontaneous Polarization <\/td>\n<\/tr>\n | ||||||
| 12<\/td>\n | Measurement of Spontaneous Polarization Polar Prototype Phase Tetragonal (4mm) Tetragonal Protoype Phase <\/td>\n<\/tr>\n | ||||||
| 13<\/td>\n | Different from That of the Spontaneous Polarization Vector Charge Integration Methods for Measuring Spontaneous Polarization <\/td>\n<\/tr>\n | ||||||
| 14<\/td>\n | 2.2.4 Depolarization Fields 2.3 Ferroelectric Domains 2.3.1 Remanent Polarization Sawyer and Tower Circuit for Observing Hysteresis Loops of Ferroelectric Materials <\/td>\n<\/tr>\n | ||||||
| 15<\/td>\n | Poling and Switching Sinusoidal Drive Voltage Applied to the Circuit of Fig <\/td>\n<\/tr>\n | ||||||
| 16<\/td>\n | 2.3.3 Coercive Field 2.3.4 Differential Permittivity 2.4 Phase Transitions Spontaneous Polarization versus Electric Field Hysteresis Loop Variation of Switching Current Transient with Field E, > E2 > E3 > E4) <\/td>\n<\/tr>\n | ||||||
| 17<\/td>\n | Ferroelectric Curie Point T 2.4.2 Proper Ferroelectric 2.4.3 Improper Ferroelectric 2.4.4 Order Parameter 2.4.5 Paraelectric Phase <\/td>\n<\/tr>\n | ||||||
| 18<\/td>\n | Curie- Weiss Temperature Order of the Phase Transition <\/td>\n<\/tr>\n | ||||||
| 19<\/td>\n | 2.4.8 Prototype Phase Types of Phase Transitions 2.4.10 Diffuse Ferroelectrics 3 Antiferroelectric Materials <\/td>\n<\/tr>\n | ||||||
| 20<\/td>\n | 4 Ferroelectric Ceramics and Ferroelectric Polymers: Definitions and Measuring Techniques 4.1 Ferroelectric Ceramics 4.2 Ferroelectric Polymers Fig 10 Polarization-Electric Field Characteristic for an Antiferroelectric Material <\/td>\n<\/tr>\n | ||||||
| 21<\/td>\n | 4.3 Poling and Switching 4.4 Ferroelectric Glass-Ceramics 5 Ferroelastic Materials: Definitions 5.1 Ferroelastic Crystals 5.2 Spontaneous Strain 5.3 Ferroelastic Domains and Switching Polarization P <\/td>\n<\/tr>\n | ||||||
| 22<\/td>\n | 5.4 Paraelastic Phase 6 Coexistence of Ferroic Properties 7 Bibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":" IEEE Standard Definitions of Primary Ferroelectric Terms<\/b><\/p>\n |