Drude model for steady-state electron transport (via the drift mechanism) in a semiconductor sample is given by , where the symbols have their usual meaning.

a)How does the model capture different potential/forces an electron “feels” around it.

b)For a semiconductor crystal, briefly explain how m* is derived.

c)Show that for a long device (where, holds good), Drude model essentially leads to Ohm’s law.

d)Using the model, explain why resistance of a metal sample increases with temperature.

e)According to the Drude model, for a given electric field intensity, what practical measures can you take to boost the current drive capability of a device (MOSFET)

Compétences : Mathématiques, Ingénierie, Génie Électrique, Algorithme, Physique

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We are a team of Electrical and Electronics engineers and we are Excellent in the following areas: • Embedded C Programming. • VHDL/Verilog • Microcontroller like Arduino, Raspberry Pi, FPGA, AVR, PIC and STM32. • ID Plus

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