|
No.
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Title of the experiment |
Detailed contents
Objective and scope of experiment
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|
1. |
Ionic conductivity
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Conductivity measurement as a function of temperature for different samples
Students will learn:
(i) Ionic vs. electronic conduction
(ii) Effect of processing/microstructure
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|
2. |
Dielectric and ferroelectric/piezoelectric materials
|
Measurement of dielectric constant
Hysteresis loop
Students will learn:
(i) Dielectric and Ferroelectric/Piezoelectric Materials
(ii) Measurement of dielectric constants
(iii)Dependence on frequency and temperature
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|
3. |
Optical behavior of Liquid Crystals
|
- Measure response to applied field
- Measure the transmittance
- Measure threshold voltage
Students will learn:
(i) Photonics: optical behaviour of materials
(ii) Optical behaviour of liquid crystals
(iii) Working of flat panel displays
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|
4. |
Fabrication of organic light emitting diodes
|
Partial fabrication of organic polymer light emitting diodes
Characterization of an OLED
Students will learn:
(i) Photoluminescence and electroluminescence
(ii) Measurement of optical power
(iii) Bandgap alignment
(iv) Importance of life time in organic devices
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|
5. |
Magnetic materials
|
Magneto resistance
M-H curves
Students will learn:
(i) Magnetic materials
(ii) Magnetic characterization
(iii)Magnetic memory materials
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|
6. |
Semiconductor characterization
|
Semiconductors resistivity
Hall measurement
Bandgap measurement
Students will learn:
(i) Carrier concentration, type and mobility
(ii) Electrical vs optical band gap
|
| 7&8. |
Solar cell fabrication and characterization
|
Fabrication of organic photovoltaic cells (PV) cells
Characterization of solar cells
Students will learn:
(i) Organic semiconducting materials
(ii) Organic electronics processing
(iii)Measurement of power density and efficiency of a working solar cell
(iv) Photonics
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|
9. |
Processing of biomaterials
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Fabricate biomaterials using
(i)compression molding (for entire component), and
(ii) electrostatic spraying (for coatings)
Students will learn:
(i) Processing of structural bulk components of biomaterials
(ii)Deposition of biomaterial coatings
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|
10. |
Tribology of bio-coatings |
Tribology of two samples:
(i) polymer with modifier
(ii) polymer without modifier for comparison purpose.
Comparison with metallic substrates (demo). Students will learn:
(i) Role of hard abrasive coating on the wear resistance
(ii) Coefficient of friction between surfaces
a) Metal and polymer
b) Ceramic-polymer
(iii) Wear damage in terms of the Penetration depth (in situ)
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|
11. |
Biomimetics/ Surface modification
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Effect of surface energy on wetting of surfaces
Samples prepared by the students measuring the contact angle.
Role of surface roughness/ chemistry on affecting the wettability of surface.
Students will learn:
- The role of surface energy on wetting
- To render various degree of surface roughness
- Role of surface chemistry and roughness on wettability
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|
12. |
Effect of surface modification on Bacteria/ Cell growth
|
Effect of surface modification/functionalization
characterized by comparing cell growth/proliferation
on treated versus pristine surfaces.
One or more of the following will be performed by
students to learn cell response:
- Role of surface chemistry (hydrophobic/ hydrophilic and hydrophobic/ hydrophilic + modifier)
- Role of surface roughness
Cell-proliferation/growth will be demonstrated on the samples prepared by students.
Students will learn:
- Effect of surface modification on cell viability
- Role of surface roughness on cell viability
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