H1071 Pages: 2

Illustrate the principle of operation of Resonant tunnelling diode.

Explain the Aharonov-Bohm effect to induced phase variations in electron waves
with the application of magnetic field with the help of diagrams and equations..
Explain the concept of hot electrons.

Explain the concept of coulomb blockade. Obtain the conditions to be fulfilled to
observe single electron effect.

Explain the device structure and working of DH laser.

Write notes on NEMS.

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