M.Sc. (Semester IV) (CBCS) Examination Mar/Apr-2018
Nano-Technology
INDUSTRIAL NANOTECHNOLOGY
Time: 2½ Hours
Max. Marks: 70
Instructions: Part I compulsory. Attempt any four questions from part II Figures to the right indicate full marks. Answer 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
Chemical mechanical planarization is used to plane the wafer surface with the help of a
mechanical slurry
chemical slurry
physical slurry
none of these
Diffusion is the movement of impurity atoms in a semiconductor material at
keep
remove
transfer
high temperatures
Nano electromechanical systems (NEMS) are a class of devices integrating electrical and mechanical functionality on the
bulk scale
miliscale
microscale
nanoscale
Mechanical sensor is a class of a sensor to measure phenomenon.
mechanical
chemical
physical
all these above
Electroluminescent layer is a film of emits light in response to an electric current.
organic compound
inorganic compound
chemical compound
physical compound
The excitation provided with an generator or alternator; Stimulation, also called excitation.
electrical
charge
voltage
magnetic
A Textile is a material consisting of a network of natural or artificial fibres.
flexible
solid
non-flexible
non-solid
Page 2 of 2
SLR-UV-659
Q.1

Definitions:
07
Ion implantation
Lithography
Microactuators
Chemical Sensors
Conjugation
LCD
Fuel cells
Part II
Answer any four the following:
14
Q.2
Describe with the help of a neat diagram principal and performance of semiconductor nanostructures based electronic and electro-optical devices.
Q.3
Give an brief explanation on electronicmagneto transport and micromagnetic modeling.
14
Q.4
With a neat diagram explain working principle and advantages of nano electromechanical systems.
14
Q.5
Explain thermal and mechanical sensors with its applications.
14
Q.6
Write Short Note on any two of the following
14
Organic electroluminescent display.
Explain with briefly liquid crystal display.
Excimers
Q.7
Answer any two:
14
What are applications of nanomaterials in cosmetic
Write applications of nanomaterials in catalysis and in lubricants.
Discuss applications of nanomaterials in fuel cells and batteries.