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Prof. R. John Bosco Balaguru                                           Dr. B.G. Jeyaprakash

 

 

 
The course will focus on Physics of low dimensional semiconducting materials and their electrical, optical, thermal and mechanical properties, Engineering the semiconducting nanomaterials for nanodevice development and their applications to the budding Science & Engineering students.
 

 

Sl. No

Course contents

Duration (in hours)

Module

1.

Wave Partical Duality and Heisenberg Principle, Schrodinger Wave Equation, Ferimi-Dirac and Bose-Einstein Distributions.

3

Module 1

2.

Electrons in Mesoscopic Structure – Characteristic Length in Mesoscopic Systems.

2

Module 2

3.

Kronig–Penney Model- Free-Electron / Quasifree-Electron Approximation: Density of States Function.

3

Module 3

4.

Energy Bands in Typical Semicondutor – Elementary Transport in Semiconductors, Degenerate Semiconductors – Optical Processes in Semiconductors – Interband Absorption – Exitonic Effects.

3

Module 4

5.

Classification of Low Dimensional Materials - Basic Properties of Low Dimensional Semiconductor Nanostructures, Comparison of Bulk and Nanostructured Semicoducting Materials.

2

Module 5

6.

Quantum Size Effect – Electrical Conductivity: Surface Scattering – Change of Electronic Structure – Quantum Transport – Conductance Quantization.

3

Module 6

7.

Quantum Wells - Quantum Wires - Quantum Dots – Quantum Limit of Conductance & Quantum Capacitance - Quantum HALL Effect.

4

Module 7

8.

Strained Layers - Effect of Strain on Valence Bands - Band Structure in Quantum Wells - Excitonic Effects in Quantum Wells.

2

Module 8

9.

Optical Properties of Quantum Well, Quantum Dot, Surface Plasmon Resonance.

3

Module 9

10.

Lattice Vibrations, Phonons, Specific Heat Capacity, Thermal Conductivity.

2

Module 10

11.

Melting Point and Lattice Constant – Mechanical Properties, Diffusion – Elasticity – Hall-Petch Relationship for Nanostructured Materials – Creep – Super Plasticity.

3

Module 11

12.

Short Channel MOS Transistor – Split Gate Transfer – Electron Wave Transistor – Electron Spin Transistor – Quantum Cellular Automata – Quantum Dot Array.

3

Module 12

13.

Tunnel Effect and Tunneling Elements, Tunnel Diode, Resonant Tunneling Diode, Three Terminal Resonant Tunneling Devices – Technology of RTD – Digital Circuit Design based on RTDs.

3

Module 13

14.

Principle of SET – SET Circuit Design – Comparison between FET and SET - SET Circuit Designs.

3

Module 14

15.

Nanostructured MOS Gas Sensors - Gas Sensing Mechanism, Gas Sensing Characteristics of Nanomaterials Synthesized by Physical /Chemical Methods.

4

Module 15

16.

Quantum Well & Quantum Dot Lasers – Quantum Well and Super Lattice Photo Detectors – Quantum Well Modulators.

2

Module 16

 

Total

45