M.Sc. (Semester II) (CBCS) Examination Mar/Apr-2018
Nano-Technology
NANO-ELECTRONICS
Time: 2½ Hours
Max. Marks: 70
Instructions: Part-I, question 1 is compulsory. Attempt any four questions from Part II. Figures to the right indicate full marks. Answers to the Part I and Part II are to be written in same answer booklet only.
Part I
Q.1

Rewrite the sentence after choosing correct answer from the given alternatives:
07
Electron-beam lithography is the practice of scanning a focused beam of
Electrons
Charge
Thermal
None of these
Nanoelectromechanical systems (NEMS) are a class of devices integrating and mechanical functionality on the nanoscale.
Electrical
Physical
Electro-chemical
Chemical
Semiconductor temperature increase, so does their which is opposite behavior to that of metal.
Conductivity decrease
Conductivity increase
Conductivity stationary
Null Conductivity
An optical amplifier is a device that amplifies an directly, without the need to first convert it to an electrical signal.
Current signal
Temperature
Thermal signal
Optical signal
PN-junction is a boundary or interface between two types of semiconductor material
x-type and y-type
a-type and b-type
p-type and n-type
u-type and v-type
Thermodynamics is a branch of science concerned with and temperature and their relation to energy and work.
Cold
Heat
Thermal
None of these
Supercapacitor is a high-capacity capacitor with capacitance values than other capacitors.
Low higher
Much higher
Smaller
Much smaller
Page 2 of 2
SLR-UV-653
Q.1

Define/Explain the following in one word or one sentence:-
07
Molecular electronics
Insulator
Pressure sensor
Laser
Electronic Field Emission
Semiconductors
Fuel cell
Part II
Answer any four of the following:
Q.2
What is meant by electron beam lithography? Explain the properties of optical and electron beam lithography.
14
Q.3
Give a detailed note on silicon MEMS fabrication technology.
14
Q.4
What is meant by optical amplifiers? Explain in detail, the optic electronic devices.
14
Q.5
Define sensors and explain in detail, the types and applications of sensors.
14
Q.6
Answer any two from the following:
14
Explain Schottky junction
Photovoltaic module
Carbon homo/hetero junction solar cells
Q.7
Write short notes on. (Any two)
14
Comparison of fuel cell with battery
Properties of metal hybrids
Double layer capacitors