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Announcements

15/03/23 10:09 PM

Assignment

Assignment topic is 1. Case Study on Carbon nanomaterials in automotive industry. (1-15) 2. Case Study on Carbon nanotube power savers.(16-30) 3. Case Study on semi conducting material in electronic industries (31-44) and due date is 17-03-2023.
15/03/23 09:42 PM

Lecture Notes

Dear Students the Lecture Notes has been uploaded for the following topics:
Intrinsic Semiconductors – Energy band diagram,
Direct and indirect semiconductors,
Carrier concentration in intrinsic semiconductors,
Extrinsic semiconductors - Carrier concentration in N-type,
Carrier concentration in P-type semiconductors,
Variation of Fermi Energy level with temperature and impurity concentration,
Photo detectors (PIN & Avalanche),
Solar cell-V-I characteristics.,
Problems on carrier concentration,
Single crystalline, polycrystalline and amorphous materials – single crystals: unit cell, crystal systems,,
Bravais lattices, directions and planes in a crystal,
Miller indices – inter-planar distances,
coordination number and packing factor for SC, BCC, ,
FCC and HCP ,
Diamond structures ,
crystal imperfections: point defects, line defects – Burger vectors, stacking faults ,
growth of single crystals: solution and melt growth techniques(Bridgman method).,
growth of single crystals: solution and melt growth techniques(Czochralski method).

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