Download GTU BE/B.Tech 2019 Winter 5th Sem New 2153901 Fabrication Of Nano Devices Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 5th Sem New 2153901 Fabrication Of Nano Devices Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? V (New) EXAMINATION ? WINTER 2019
Subject Code: 2153901 Date: 25/11/2019

Subject Name: Fabrication of Nano- devices
Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.

MARKS

Q.1 (a) Explain Core-Shell Structure. 03
(b) Describe Atom Lithography. 04
(c) Define Quantum Structures. Explain Its Size and Dimensionality
Effect.
07

Q.2 (a) Define Gas Sensor. 03
(b) Describe Graphene and Fullerene. 04
(c) Define Photonic Crystal and explain Photonic band Gap devices with
Application.
07
OR
(c) Describe Protein-Based Biosensor 07
Q.3 (a) Explain Lithography. Mention Different types of Lithography. 03
(b) Explain Different type of Gas Sensor Briefly. 04
(c) Explain X-ray Lithography with Appropriate Diagram. 07
OR
Q.3 (a) Describe Schottky Diodes and Schottky Barriers. 03
(b) Define DNA Based Biosensor. 04
(c) Write down full form of MOSFET, explain it briefly with
Types(Diagram)
07
Q.4 (a) Explain the Concept of Photochemical Molecular Devices. 03
(b) Define Nanorods, Nanowire, Nanofibres and Nanotubes. 04
(c) What are Nanocomputers? Explain its Fabrication Methods and
Types.
07
OR
Q.4 (a) Define Antibody and Antigens. 03
(b) Describe Application by Function of Gas Sensors. 04
(c) Explain the Concept of Single Electron Tunneling. 07
Q.5 (a) Mention Any Five Single Electron Devices. 03
(b) Describe Optical Fibers for Nanodevices. 04
(c) Define Resonant Tunneling and hence explain Resonant tunneling
Diode, Resonant Tunneling Transistor.
07
OR

Q.5 (a) Explain Nano Robotics and Nano Manipulation. 03
(b) Define Carbon Nanotube based Logic Gates. 04
(c) Write a short note on Ion Lithography. 07

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