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September 25, 2023

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Description

Electroceramics. Instructor: Prof. Ashish Garg, Department of Materials Science and Engineering, IIT Kanpur.

This course is an advanced level course for UG students and early PG students of Materials Science and Metallurgy. Various aspects of electronic ceramics are covered in this course which start with emphasis on how structures form in such materials. Then, defects chemistry and defect equilibria in such materials are discussed while elucidating the effect of defect chemistry on ceramic properties. This will be followed by a treatment of defect diffusion and ionic conductivity in electronic ceramics. Once this framework is established, students will then be exposed to fundamentals and specific cases of linear dielectric as well as ferroics such ferroelectrics and ferromagnetic ceramics. Students will also be familiarized with rather novel phenomenon of Multiferroics briefly. Finally, the course will finish with emphasis on important bulk and thin films processing methods. (from nptel.ac.in)

Course Curriculum

    • Lecture 01 – Introduction, Review of Fundamentals of Structure and Bonding in Materials Unlimited
    • Lecture 02 – Interstices, Ceramic Structures Unlimited
    • Lecture 03 – Zinc Blende Structure, Spinel Structure, Primitive Cubic Structures Unlimited
    • Lecture 04 – Perovskite Based Structures: YBCO, LSCO, Wurtzite, Corundum, Lithium Niobate Unlimited
    • Lecture 05 – Defects, Kroger-Vink Notations, Defect Reactions Unlimited
    • Lecture 06 – Metal Deficient Oxides, Concentration of Intrinsic Defects Unlimited
    • Lecture 07 – Intrinsic and Extrinsic Defects, Defect Equilibria Unlimited
    • Lecture 08 – Defect Equilibria (cont.) Unlimited
    • Lecture 09 – Limiting Conditions; Equilibrium Diagram Unlimited
    • Lecture 10 – Defect Equilibria (cont.) Unlimited
    • Lecture 11 – Diffusion: Diffusion Kinematics, Diffusivity, Diffusion Mechanisms Unlimited
    • Lecture 12 – Diffusion in Lightly Doped NaCl, Diffusion Properties: Mobility Unlimited
    • Lecture 13 – Ionic Conduction, Ionic Conductivity, Total Conductivity Unlimited
    • Lecture 14 – Effect of Doping on Conductivity, Fast Ionic Conductors Unlimited
    • Lecture 15 – Electrochemical Potential, Applications of Ionic Conductors Unlimited
    • Lecture 16 – Key Concepts of Dielectric Materials: Dipole Moment, Polarization, Capacitance Unlimited
    • Lecture 17 – Mechanisms of Polarization: Electronic, Ionic, Dipolar, Interface Unlimited
    • Lecture 18 – Determination of Polarizability: Electronic and Ionic Polarizability Unlimited
    • Lecture 19 – Dipolar Polarizability Unlimited
    • Lecture 20 – Effect of AC Field on Dielectric Behaviour Unlimited
    • Lecture 21 – Frequency Response of Electronic and Ionic Polarization Unlimited
    • Lecture 22 – Frequency Response of Dipolar Polarization Unlimited
    • Lecture 23 – Frequency Response: Relaxation Unlimited
    • Lecture 24 – Frequency Dependence of Dielectric Constants Unlimited
    • Lecture 25 – Nonlinear Dielectrics Unlimited
    • Lecture 26 – Ferroelectric Ceramics Unlimited
    • Lecture 27 – Thermodynamic Point of View of Ferroelectric Phase Transition Unlimited
    • Lecture 28 – Thermodynamic Point of View of Ferroelectric Phase Transition (cont.) Unlimited
    • Lecture 29 – Ferroelectric Domains Unlimited
    • Lecture 30 – Piezoelectric Ceramics Unlimited
    • Lecture 31 – Common Piezoelectric Materials Unlimited
    • Lecture 32 – Pyroelectric Materials Unlimited
    • Lecture 33 – Basics of Magnetism Unlimited
    • Lecture 34 – Diamagnetism, Paramagnetism Unlimited
    • Lecture 35 – Ferromagnetism Unlimited
    • Lecture 36 – Antiferromagnetism, Ferrimagnetism Unlimited
    • Lecture 37 – Magnetic Ferrites: Spinel and Hexagonal Ferrites, Yttrium Iron Garnets Unlimited
    • Lecture 38 – More on Magnetic Ferrites Unlimited
    • Lecture 39 – High Temperature Superconducting Ceramics Unlimited
    • Lecture 40 – Multiferroic and Magnetoelectric Materials Unlimited
    • Lecture 41 – Synthesis Methods for Electroceramics Unlimited

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