Semiconductors and Transport Physics | Physics for Electrical Engineering
Subject and UNIT: Physics for Electrical Engineering: Unit III: Semiconductors and Transport Physics
Physics for Electrical Engineering: Unit III: Semiconductors and Transport Physics : Additional Q and A
Semiconductors and Transport Physics | Physics for Electrical Engineering
Subject and UNIT: Physics for Electrical Engineering: Unit III: Semiconductors and Transport Physics
Physics for Electrical Engineering: Unit III: Semiconductors and Transport Physics : Part - A '2' Marks Q and A Anna university Q and A
Semiconductors and Transport Physics | Physics for Electrical Engineering
Subject and UNIT: Physics for Electrical Engineering: Unit III: Semiconductors and Transport Physics
Physics for Electrical Engineering: Unit III: Semiconductors and Transport Physics : Anna university solved problems
Definition, Diagram, Working Principle, VI Characteristics, Applications
Subject and UNIT: Physics for Electrical Engineering: Unit III: Semiconductors and Transport Physics
An ohmic contact is a type of metal semiconductor junction. It is formed by a contact of a metal with a heavily doped semiconductor.
Diagram, Working Principle, VI Characteristics, Advantages, Applications, Comparison
Subject and UNIT: Physics for Electrical Engineering: Unit III: Semiconductors and Transport Physics
It is a junction formed between a metal and n-type semiconductor.
Definition, Three types
Subject and UNIT: Physics for Electrical Engineering: Unit III: Semiconductors and Transport Physics
The device which uses the hall effect for its application is known as Hall device.
Statement, Applications, Determination of Hall coefficient
Subject and UNIT: Physics for Electrical Engineering: Unit III: Semiconductors and Transport Physics
The electrical conductivity measurements are not sufficient for the determination of number of charge carriers and their mobilities.
Definition, Formula, Explanation
Subject and UNIT: Physics for Electrical Engineering: Unit III: Semiconductors and Transport Physics
The net current flows across a semiconductor has two components: (i) Drift current (ii) Diffusion current.
Expression for Electrical conductivity | Semiconductors
Subject and UNIT: Physics for Electrical Engineering: Unit III: Semiconductors and Transport Physics
mobility μ is defined as the velocity of a charge carrier per unit electrical field strength.
Subject and UNIT: Physics for Electrical Engineering: Unit III: Semiconductors and Transport Physics
In absence of an electrical field, the free electrons (electron gas) move in all directions in a random manner. They collide with other free electrons and positive ion core during the motion.
Subject and UNIT: Physics for Electrical Engineering: Unit III: Semiconductors and Transport Physics
In extrinsic semiconductor, the resistivity decreases linearly with increase in temperature. This variation is considered under three different regions. i) Extrinsic or impurity range ii) Exhaustion range iii) Intrinsic range
Subject and UNIT: Physics for Electrical Engineering: Unit III: Semiconductors and Transport Physics
At high temperature, we must take into account the intrinsic carrier concentration of semiconductor due to breaking of covalent bond along hole concentration produced by acceptor impurity.