Lecture -1: p-n Junction Diode Diode: A pure silicon crystal or germanium crystal is known as an intrinsic semiconductor. There are not enough free electrons and holes in…

1. Walter BrattainWilliam ShockleyJohn Bardeen 2. THE WORD TRANSISTOR IS A CONTRACTION OF “CURRENT- TRANSFERRING RESISTOR.” A BIPOLAR transistor has two P-N junctions.The…

Slide 1T OPIC O F P RESENTATION Gunn Diode Slide 2 G UNN D IODE Definition History Construction Slide 3 Definition: Such type of semiconductor device which have only N type…

1. P type and N type semiconductors, takenseparately are of very limited use.If we join a piece of P type material to a pieceof N type material such that the crystalstructure…

1. Photovoltaics: Solar Electricity and Solar Cells Efficiency Outline Introduction. Raw materials for solar electricity. Typical solar cell design. Efficiency(cost per Watt)…

Fiber lasers and amplifiersFiber lasers and amplifiers Optical fibers - losses 3 low loss windows for telecommunication 850 nm, 1300 nm, 1550 nm. Optical fibers - dispersion…

Slide 1 “Physicists: people who believe what they read on the labels of chemical bottles. Chemists: people who believe what they read on the displays of analytical instruments.”…

Slide 1Semiconductor Devices Lecture 5, pn-Junction Diode Slide 2 Content –Contact potential –Space charge region, Electric Field, depletion depth –Current-Voltage…

Slide 1Midterm 2 performance Full points is 48. Average is 37.75. Slide 2 2 Small signal equivalent circuit example contd. Slide 3 3 Common Collector Amplifier: Equiv. circuit…

Slide 1 1 T-invariant Decomposition and the Sign Problem in Quantum Monte Carlo Simulations Congjun Wu Reference: Phys. Rev. B 71, 155115(2005); Phys. Rev. B 70, 220505(R)…