17.SSD(EE-2080)l17

17.SSD(EE-2080)l17 - SSD(EE2080 Lecture17 Dr.ShivGovind...

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SSD(EE 2080) Lecture 17 Dr. Shiv Govind Singh [email protected] Assistant Professor Electrical Engineering Semester 2, Y 2010/11
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SQuiz3: 25 min Graphical Representation of DOS in 2D in valance and cond. band Determine the total no of states if total no of unit cell is 10 22 , given length= 5A and Eg=1.1ev. Determine the lowest allowed energy band gap provided a=5A and P=10 given Gi th h i l i ifi t f P i KP d l ti (Psin α a)/ α a +cos α a=cos ka Give the physical significant of P in KP model equation. Discuss the band structure of crystal for two extreme case of P. State Bloch theorem for one dimensional system State Bloch theorem for one dimensional system. Draw the Fermi distribution at T > o. Chemical reaction analogy for n type and P type Show the motion of electron and holes after applying the electric field E
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Reference Text Book: 1 Physics of Semiconductor Devices S M Sze John Wiley & Sons (1981) 1. Physics of Semiconductor Devices, S. M. Sze , John Wiley & Sons (1981).
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