Definition, Formula, Explanation, VI Characteristics
Subject and UNIT: Physics for Electronics Engineering: Unit V: Nano Devices
Consider a circular cross-section wire which has radius a and length L. Assume that L is very large compared to the mean free path.
Definition, Construction, Working Principle, Advantages, Limitations, Applications
Subject and UNIT: Physics for Electronics Engineering: Unit V: Nano Devices
Single switching devices are essential elements in Ultra large scale integrated circuits (ULSIs). The single-electron switching devices are required to utilize single electron devices in logic circuits.
Coulomb - Blockade effects, Single Electron Tunneling | Nano Devices
Subject and UNIT: Physics for Electronics Engineering: Unit V: Nano Devices
In electronics, transistor is the most important device. Transistors are what computers use to compute-tiny switches turning ON and OFF making logic decisions.
Subject and UNIT: Physics for Electronics Engineering: Unit V: Nano Devices
The electronic properties of metals and semiconductors are determined by their electronic band structure. The band structure changes with particle size.
Nano Devices
Subject and UNIT: Physics for Electronics Engineering: Unit V: Nano Devices
The quantum wire structure provides only one non confinement direction, ie., the carrier can move freely along one direction (1D). The remaining two directions are confined for charge carrier.
Definition, Explanation, Types, Construction | Nano Devices
Subject and UNIT: Physics for Electronics Engineering: Unit V: Nano Devices
When a bulk material is reduced in its size, atleast one of its dimension, in the order of few nanometres, then the structure is known as quantum structure.
Definition, Principle | Nano Devices
Subject and UNIT: Physics for Electronics Engineering: Unit V: Nano Devices
It is a process of reduction of the size of the solid such that the energy levels inside become discrete.
Nano Devices
Subject and UNIT: Physics for Electronics Engineering: Unit V: Nano Devices
It is defined as the highest energy level occupied by the electron at OK in metal.
Definition, Formula
Subject and UNIT: Physics for Electronics Engineering: Unit V: Nano Devices
Electron density is the number of electrons per unit volume in a material. It is determined by using density of states.
Subject and UNIT: Physics for Electronics Engineering: Unit V: Nano Devices
A nanometre (nm) is one billionth (1/109) of a metre. For comparison, thickness of a single human hair is about 80,000 nm (80 µm), a red blood cell is approximately 7,000 nm (7 µm) wide and a water molecule is almost 0.3 nm across.
2marks, 16marks | Physics for Electronics Engineering
Subject and UNIT: Physics for Electronics Engineering: Unit IV: Optical Properties of Materials
Anna University important 2marks with answers and 16marks questions
Principle, Uses, Surface Plasmon Resonance (SPR)
Subject and UNIT: Physics for Electronics Engineering: Unit IV: Optical Properties of Materials
Plasmonics or nanoplasmonics refers to the generation, detection and manipulation of signals at optical frequencies along on metal-dielectric interfaces in the nanometer scale.