GTU BE/B.Tech 2018 Winter Question Papers || Gujarat Technological University
Subject Name: Fabrication of Nano-devices
Time: 10:30 AM TO 01:00 PM
Subject Code: 2153901
GUJARAT TECHNOLOGICAL UNIVERSITY
--- Content provided by FirstRanker.com ---
BE - SEMESTER-V (NEW) EXAMINATION - WINTER 2018Subject Name: Fabrication of Nano-devices
Time: 10:30 AM TO 01:00 PM
Instructions:
- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
--- Content provided by FirstRanker.com ---
| Q.1 | (a) Define Source, Drain, Gate and Channel in MOSFET. | 03 |
| (b) Describe Quantum wells, wires, and dots. Its size and dimensionality effects. | 04 | |
| (c) Explain Single Electron Tunneling with proper circuit diagram, Quantum conditions and Coulomb Staircase. | 07 | |
| Q.2 | (a) What is CMOS explain briefly. | 03 |
| (b) Explain Core-Shell Structures. | 04 | |
| (c) Describe Excitons and its types. Briefly explain the concept of binding energy and its effect on special extension. | 07 | |
| OR | ||
| (a) Describe Graphene. | 03 | |
| (b) Define Briefly different types of Lithography. | 04 | |
| (c) Explain DNA based Biosensors. | 07 | |
| Q.3 | (a) Write a short note on Protein Based Biosensors. | 03 |
| (b) Define Semiconductor Quantum Dots: | 04 | |
| (c) What are Tunnel Diodes and Explain-Resonant Tunneling Transistor | 07 | |
| OR | ||
| (a) Explain how Nanosensors are used in Sensing various gases. | 03 | |
| (b) Define Gas Sensitivity. | 04 | |
| (c) Explain Nano Robotics and Nanomanipulation. | 07 | |
| Q.4 | (a) Write shot note on MOSFET (Components, Working Application with Diagrams) | 03 |
| (b) Define Magnetic Nanoparticles and its Applications. | 04 | |
| (c) Define Photonic Crystals and its types. | 07 | |
| OR | ||
| (a) Define Schottky Contact, Schottky Barrier, Diode and hence list Applications of Schottky Device. | 03 | |
| (b) Write down Applications of Single Electron Tunneling. | 04 | |
| (c) Explain Atom lithography. | 07 | |
| Q.5 | (a) Explain X-Ray Lithography. | 03 |
| (b) List out Applications of Photonic Band Gap Devices. | 04 | |
| (c) Describe Graphene. | 07 | |
| OR | ||
| (a) Describe Single Electron Devices and Single Electron Dynamics. | 07 | |
Date: 27/11/2018
Total Marks: 70
--- Content provided by FirstRanker.com ---
This download link is referred from the post: GTU BE/B.Tech 2018 Winter Question Papers || Gujarat Technological University
--- Content provided by FirstRanker.com ---