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Physics of Semiconductors

Basics of Quantum Mechanics
  • Electric conduction is governed by Quantum Physics
  • Niels Bohr puts a big step in Quantum World
  • The lightest atom guides the physicists into highest order imagination
The magical wave function
  • Schrodinger describes particles by functions
  • The magical wave functions of electrons
  • Coming out of circular orbits
Energies group in Bands
  • Multi-electron atoms
  • Lines spread into rectangles
  • Conduction and valence bands
Who controls population in bands
  • Why is Z=14 so special
  • Jumping to higher band
  • Having a control on conductivity
Making of a junction
  • Mobile electrons and mobile holes
  • Neutral but still having non zero charge density
  • Electric field across the junction
The Physics of p-n junction
  • Bands Bend
  • Fermi function and Fermi energy
  • Diffusion versus drift
More Physics of p-n junction
  • Have a Biased view
  • One -way traffic
  • Work with numbers
Special purpose p-n junctions
  • One diode one voltage
  • Less power more light
  • Electricity from sun
Device with three terminals
  • Know your transistor
  • How do currents flow in a transistor
Transistor at work
  • Cut off to Active to Saturation
  • The transistor makes it big
  • Do it on the table
More applications of transistor
  • Switch a tough circuit from a soft circuit
  • Transistor makes it oscillates
  • Oscillator Circuits
Digital Circuits
  • Learn counting once again
  • Go through the Gates
  • There are universal Gates
  • Adding numbers
   Brief Overview Of The Course

Important Links

Shiksha Sopan IIT Kanpur Anveshika My Poem
National Academy of Science, India Utsahi Physics Teacher Physics Science Stories from Panchtantra
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