M.Sc. DEGREE EXAMINATION, NOVEMBER 2017
Third Semester
Nanoscience and Technology
NANOELECTRONICS AND NANODEVICE
(CBCS 2016 onwards)
Time 3 Hours Maximum 75 Marks
Section A (10 x 2 20)
Answer all the questions.
1. Define nanofabrication.
2. Define microfabrication.
3. Define electrochemical cells.
4. What is meant by semiconductor give an example?
5. Write down the Gilbert equation.
6. What is spin transfer?
7. What is an optical fibre?
8. Define nanomechanics.
9. What is meant by the term LASER?
10. Define quantum wire.
Sub. Code
533302
RW-887
2
Sp 1
Section B x 5 25)
Answer all the questions, choosing either or
11. What are the basics of nanoelectronics.
Or
Explain about the tools for microfabrication.
12. Explain briefly about surface acoustic devices.
Or
Explain briefly about bulk acoustic devices.
13. Give notes on spin dependent scattering.
Or
Give notes on spin dependent tunnelling.
14. Briefly explain single electron transistors.
Or
Explain about single electron dynamics.
15. What is meant by quantum well lasers-briefly
explain?
Or
Explain the electronic property of carbon based
nanomaterials.
RW-887
3
Sp 1
Section C x 10 30)
Answer any three questions.
16. Explain in detail about tool for micro and nano
fabrication.
17. Micromagnetics-give detailed notes.
18. Gas based nanodevices-detailed notes.
19. Explain about quantum wire and quantum dot lasers.
20. Explain about high efficiency materials for OLEDs.
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