Materials Science 5500 - Electronic, Optical, and Magnetic Materials

INSTRUCTOR
Dr. Nigel Shepherd
Office Location & Hours: DP E118, Open Door Policy!
Office Phone: 940-369-7714
Email: Nigel.Shepherd[at]unt.edu

CLASS TIME & LOCATION
See the current class schedule for class time and location

COURSE DESCRIPTION
Not Available

TEXT
"Electronic Properties of Materials" by R.E. Hummel, 3rd Edition, Springer.

GRADING
Not Available

Fundamentals of Electron Theory

• The Wave-Particle Duality
• The Time-Independent Schrodinger Equation
• Solution of the Schrodinger Equation for Four Specific Cases
1. Free Electrons
2. Electron in a Potential Well (Bound Electron)
3. Finite Potential Barrier (Tunnel Effect)
4. Electron in a Periodic Field of a Crystal (the Solid State)
• Energy Bands in Crystals
1. One-Dimensional Zone Schemes
2. One- and Two-Dimensional Brillouin Zones
3. Three-Dimensional Brillouin Zones
4. Wigner-Seitz Cells
• Electrons in a Crystal
1. Fermi Energy and Fermi Surface
2. Fermi Distribution Function
3. Density of States
4. Population Density
5. Complete Density of States Function Within a Band
6. Consequences of the Band Model
7. Effective Mass

Electrical Properties of Materials

• Electrical Conduction in Metals and Alloys
  1. Conductivity-Classical Electron Theory
  2. Conductivity-Quantum Mechanical Considerations
  3. Experimental Results and Their Interpretation
  4. Pure Metals
  5. Alloys
  6. Orderin
  7. Superconductivity
  8. Thermoelectric Phenomena
• Semiconductors
  1. Band Structure
  2. Intrinsic Semiconductor
  3. Extrinsic Semiconductors
  4. Donors and Acceptors
  5. Temperature Dependence of the Number of Carriers
  6. Conductivity
  7. Fermi Energy
  8. Effective Mas
  9. Hall Effec
  10. Compound Semiconductors
  11. Rectifying Contacts (Schottky Barrier Contacts)
  12. Ohmic Contacts (Metallizations
  13. p-n Rectifier (Diode)
  14. Zener Diode
  15. Solar Cell (Photodiode)
  16. Transistors: bipolar and MOSFETs
• Electrical Properties of Polymers, Ceramics, Dielectrics
  1. Amorphous Materials
  2. Conducting Polymers and Organic Metals
  3. Ionic Conduction
  4. Conduction in Metal Oxides
  5. Amorphous Materials (Metallic Glasses)
  6. Dielectric Properties
  7. Ferroelectricity, Piezoelectricity, and E1ectrostriction

Optical Properties of Materials

• The optical constants
  1. Index of Refraction,
  2. Damping Constan
  3. Characteristic Penetration Depth, W, and Absorbance
  4. Reflectivity, R, and Transmittanc
  5. Hagen-Rubens Relation Problem
• Atomistic Theory of the Optical Properties
  1. Free Electrons Without Damping
  2. Free Electrons With Damping (Classical Free Electron Theory of Metals)
  3. Special Cases
  4. Reflectivity
  5. Bound Electrons (Classical Electron Theory of Dielectric Materials)
  6. Quantum Mechanical Treatment of the Optical Properties
  7. Absorption of Light by Interband and Intraband Transition
  8. Optical Spectra of Materials
• Measurement of the Optical Properties: Spectroscopic Ellipsometry
• Optoelectronic Applications
  1. Carbon Dioxide Laser
  2. Semiconductor Laser
  3. Direct-Versus Indirect-Band Gap Semiconductor Lasers
  4. Wavelength of Emitted Light
  5. Threshold Current Density
  6. Homojunction Versus Heterojunction Lasers
  7. Light-Emitting Diodes (LEDs)
  8. Integrated Optoelectronics
  9. Passive Waveguides

Magnetic Properties of Materials

• Basic Concepts in Magnetism
  1. Diamagnetism
  2. Paramagnetism
  3. Ferromagnetism
  4. Antiferromagnetism
  5. Ferrimagnetism
  6. Langevin Theory of Diamagnetism
• Quantum Mechanical Considerations  Paramagnetism and Diamagnetism  Ferromagnetism and Antiferromagnetism