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Physics
Condensed Matter and Materials Physics
Magnetic and Dielectric Materials
1. Introduction to Fields in Matter
2. Dielectric Materials
3. Magnetic Materials
4. Microscopic and Quantum Theories
5. Material Characterization Techniques
6. Applications of Dielectric and Magnetic Materials
Dielectric Materials
Fundamentals of Dielectrics
Definition of a Dielectric
Physical Properties of Dielectrics
Electric Dipoles
Permanent Dipoles
Induced Dipoles
Dipole Moment
Polarization of Matter
Mechanisms of Polarization
Polarization Vector
Local Electric Field at an Atom
Lorentz Field
Internal Field Effects
Mechanisms of Polarization
Electronic Polarization
Displacement of Electron Clouds
Frequency Response
Time Constants
Ionic Polarization
Displacement of Ions in Lattices
Temperature Dependence
Lattice Dynamics
Orientational Polarization
Alignment of Permanent Dipoles
Thermal Agitation Effects
Boltzmann Distribution
Interfacial Polarization
Accumulation at Interfaces
Role in Heterogeneous Materials
Maxwell-Wagner Effect
Dielectric Constant and Susceptibility
Definition of Dielectric Constant
Electric Susceptibility
Relation Between Dielectric Constant and Susceptibility
Temperature Dependence of Dielectric Properties
Anisotropy in Dielectric Response
Tensor Nature of Permittivity
Frequency Dependence of Polarization
Complex Permittivity
Real Component
Imaginary Component
Physical Interpretation
Dielectric Loss
Loss Tangent
Energy Dissipation Mechanisms
Measurement Techniques
Relaxation Phenomena
Polarization Relaxation
Relaxation Time
Distribution of Relaxation Times
Resonance Phenomena
Resonance in Polarization
Oscillator Model
Debye Relaxation Model
Debye Equation
Single Relaxation Time
Limitations of the Debye Model
Non-Debye Relaxation
Cole-Cole Plots
Dielectric Breakdown
Definition of Dielectric Strength
Mechanisms of Breakdown
Intrinsic Breakdown
Electronic Avalanche
Impact Ionization
Thermal Breakdown
Joule Heating Effects
Thermal Runaway
Discharge Breakdown
Partial Discharge
Corona Discharge
Treeing
Electrochemical Breakdown
Chemical Decomposition
Electrolysis
Factors Affecting Dielectric Strength
Material Purity
Thickness Effects
Geometry Effects
Temperature Effects
Humidity Effects
Frequency Effects
Special Classes of Dielectric Materials
Piezoelectric Materials
Direct Piezoelectric Effect
Converse Piezoelectric Effect
Crystal Symmetry Requirements
Piezoelectric Coefficients
Common Piezoelectric Materials
Quartz
Lead Zirconate Titanate
Polyvinylidene Fluoride
Zinc Oxide
Applications of Piezoelectrics
Pyroelectric Materials
Pyroelectric Effect
Temperature Dependence
Pyroelectric Coefficient
Common Pyroelectric Materials
Tourmaline
Lithium Tantalate
Triglycine Sulfate
Applications of Pyroelectrics
Ferroelectric Materials
Spontaneous Polarization
Ferroelectric Domains
Domain Structure
Domain Wall Motion
Domain Switching
Hysteresis Loop
Polarization-Electric Field Curve
Coercive Field
Remanent Polarization
Curie Temperature
Phase Transition
Order-Disorder Transition
Common Ferroelectric Materials
Barium Titanate
Lead Zirconate Titanate
Potassium Dihydrogen Phosphate
Antiferroelectric Materials
Antiferroelectric Order
Double Hysteresis Loop
Ferrielectric Materials
Ferrielectric Order
Compensation Temperature
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3. Magnetic Materials