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Video tutorials - B.E. Applied Physics 1: Semiconductor Physics (University of Mumbai)

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shaalaa.com | energy bands of solids

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energy bands of solids [00:08:21]
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Description

  • Energy bands of solids and classification of solids;
  • Concepts of holes, effective mass;
  • drift mobility and conductivity in conductors, intrinsic semiconductors and extrinsic semiconductors;
  • Fermi-Dirac distribution function and Fermi energy level in a conductor, insulator, intrinsic & extrinsic semiconductor;
  • Effect of impurity concentration and temperature on the Fermi Level;
  • Hall Effect (applied electric field along x-axis and applied magnetic field along z-axis) and its application.
  • Drift and Diffusion of charge carriers across the Energy band structure of P-N Junction leading to formation of depletion region and potential barrier;
  • concept of carrier current densities in p-n junction in equilibrium, forward bias and reverse bias;
  • Uses of p-n junction in Light emitting diode (LED), photoconductors & photovoltaic solar cells.
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