Semiconductors: Worked Examples 
Semiconductors: Worked Examples
by IIT Madras
Video Lecture 50 of 58
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Date Added: January 12, 2015

Lecture Description

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Course Index

  1. Principles of Condensed Matter Physics
  2. Symmetry in Perfect Solids
  3. Symmetry in Perfect Solids (Continued)
  4. Diffraction Methods For Crystal Structures
  5. Diffraction Methods For Crystal Structures (Continued)
  6. Diffraction Methods For Crystal Structures: Worked Examples
  7. Physical Properties of Crystals
  8. Physical Properties of Crystals (Continued)
  9. Physical Properties of Crystals: Worked Examples
  10. Cohesion in Solids
  11. Cohesion in Solids: Worked Examples
  12. The Free-Electron Theory of Metals
  13. The Free-Electron Theory of Metals: Worked Examples
  14. The Free-Electron Theory of Metals: Electrical Conductivity
  15. The Free-Electron Theory of Metals - Electrical Conductivity - Worked Examples
  16. Thermal Conductivity of Metals
  17. Thermal Conductivity of Metals: Worked Examples
  18. The Concept of Phonons
  19. Debye Theory of Specific Heat, Lattice Vibrations
  20. Debye Theory of Specific Heat, Lattice Vibrations: Worked Examples
  21. Lattice Vibrations & Phonon Thermal Conductivity
  22. Lattice Vibrations (Continued) Phonon Thermal Conductivity - Worked Examples
  23. Anharmonicity and Thermal Expansion
  24. Dielectric (Insulating) Solids
  25. Dispersion and Absorption of Electromagnetic Waves in Dielectric Media, Ferro
  26. Optical Properties of Metals; Ionic Polarization in Alkali Halides; Piezoelectricity
  27. Dielectric Solids: Worked Examples
  28. Dia - and Paramagnetism
  29. Paramagnetism of Transition Metal and Rare Earth Ions
  30. Quenching of Orbital Angular Momentum; Ferromagnetism
  31. Exchange Interactions, Magnetic Order, Neutron Diffraction
  32. Hysteresis and Magnetic Domains; Spin Waves and Magnons
  33. Magnetic Resonance
  34. Magnetism and Magnetic Resonance: Worked Examples
  35. Magnetism: Worked Examples (Continued)
  36. Pauli Paramagnetism and Landau Diamagnetism
  37. Band Magnetism; Itinerant Electrons; Stoner Model
  38. Superconductivity: Perfect Electrical Conductivity and Perfect Diamagnetism
  39. Type I and Type II Superconductors
  40. Ginsburg - Landau Theory, Flux Quantization
  41. Cooper Pairs
  42. Microscopic (BCS) Theory of Superconductivity
  43. BCS Theory (Continued): Josephson Tunneling: Quantum Interference
  44. Josephson Effect (Continued); High Temperature Superconductors
  45. Superconductors: Worked Examples
  46. Energy Bands in Solids
  47. Electron Dynamics in a Periodic Solid
  48. Semiconductors
  49. Semiconductors (Continued)
  50. Semiconductors: Worked Examples
  51. Defects in Solids: Point Defects
  52. Point Defects in Solids: Worked Examples
  53. Defects in Solids: Line and Surface Defects
  54. Dislocations in Solids: Worked Examples
  55. Symmetry in Perfect Solids: Worked Examples
  56. Quantum Fluids and Quantum Solids
  57. Quantum Liquids and Quantum Solids: Worked Examples
  58. Epilogue & Course Summary

Course Description

This is an advanced course on condensed matter physics at postgraduate level and it is proposed to introduce students of physics to various fundamental concepts of condensed matter physics and materials science. Starting with an introduction to symmetry in crystals and phase transitions, the course will cover concepts of waves in periodic structures,vibrations of crystal lattices, free electron theory, band structure, optical, transport, dielectric and magnetic properties of metals, semiconductors, insulators and superconductors. Noncrystalline solids, defects in solids and quantum fluids will also be briefly discussed. The course will be very comprehensive, and cover many topics in solid state and condensed matter physics, including: - Symmetry and Physical Properties of Crystals Point groups, Bravais lattices, Space groups, Neumann’s Principle and tensor properties of crystalline solids, elements of group theory, diffraction of waves in periodic structures. - Vibrations of crystal lattices, phonons and Debye theory of specific heats, thermal expansion and thermal conductivity. - Free electron theory, Band structure of solids, metals, insulators and semiconductors, intrinsic and doped semiconductors, effective mass, electrons and holes, Hall effect and cyclotron resonance, galvanomagnetic phenomena, carrier lifetime, semiconductor devices. - Dielectric solids, polarization, polarizability, susceptibility, polar and nonpolar dielectrics, dispersion and absorption, electronic, ionic and orientational polarizabilities. Magnetism, para, dia and ferromagnetic solids, exchange interactions and antiferromagnetism, magnetic ordering, spin waves. - Superconductors, London theory, Ginsburg- Landau theory and BCS theory, High temperature superconductors, superfluidity and quantum fluids. - Noncrystalline solids, scaling theory and weak localization, defects in solids, point defects and dislocations.


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