JAWAHARLAL NEHRU TECHNOLOGICAL UNIVERSITY HYDERABAD

Prerequisite:

• 1. Familiarization on energy band gap
• 2. Basics physics & mechanics of solids

Course Objective

To bring out the distinct properties like electrical, magnetic, optical, thermal and

mechanical properties of nanostructured materials.

Course Outcomes:

• 1. To familiarize about the various properties of nanostructures.
• 2. To bring out the differences between nano and macro structures.
• 3. To discuss applications specific properties of nanomaterials.

UNIT - I

Electronic properties, Energy bands and gaps in semiconductors, Fermi surfaces ,localized particle, donors, acceptors, deep traps, excitons, mobility,size dependent effects, conduction electrons and dimensionality Fermi gas and density of states, semiconducting nanoparticles.

UNIT - II

Optical properties , Photonic crystals, optical properties of semiconductors, band edge energy, band gap, Core-shell nanomaterials, Quantum dots etc., for size influences of optical properties, optical transitions, absorptions, interband transitions, quantum confinements, Fluorescence/luminescence, photoluminescence/fluorescence, optically excited emission, electroluminescence, Laser emission of quantum dot, Photo fragmentation and columbic explosion, luminescent quantum dots for biological labeling.

UNIT - III

Magnetic properties, Introduction of magnetic materials, basics of ferromagnetism – ferro magnetic resonance and relaxation, magnetic properties of bulk nanostructures, magnetic clusters, dynamics of nanomagnets, nanopore containment of magnetic particles, nanocarbon ferromagnets, ferrofluids, electron transport in magnetic multilayers.

UNIT - IV

Thermal properties of nanostructures- thermal conductivity measurements for nanowires, nanotubes, thin films, Nanofluids.

UNIT - V

Mechanical Properties of nanomaterials, Types of indentation: Oliver & Pharr, Vickers indentation process, Nano Indentation by AFM

REFERENCE BOOKS:

• 1. Introduction to Nano Technology by Charles. P. Poole Jr & Frank J. Owens. Wiley India Pvt. Ltd.
• 2. Solid State physics by Pillai, Wiley Eastern Ltd.
• 3. Introduction to solid state physics 7th edition by Kittel. John Wiley & sons (Asia ) Pvt Ltd.
• 4. Nano Technology and Nano Electronics – Materials, devices and measurement
• 5. Techniques by WR Fahrner – Springer
• 6. Encyclopedia of Nano Technology by M. Balakrishna Rao and K. Krishna Reddy, Vol I to X Campus books.
• 7. Nano Technology - Science, innovation, and opportunity by Lynn E. Foster. Prentice Hall- Pearson education.
• 8. Hand book of Nano structured materials Vol I & V
• 9. Encyclopedia of Nano Technology by H.S.Nalwa
• 10. K K Nanda, Pramana J. Phys., Vol. 72, No. 4, April 2009
• 11. A.A. Shavtsburg & M.F. Gerald, Chemical Physics Letters 317 2000. 615–618
• 12. V P Skripov, V P Koverda and V N Skokov, Phys. Status Solid A66, 109 (1981)
• 13. R Goswami and K Chattopadhyay, Act Mater. 52, 5503 (2004)
• 14. V. Germain et al. J. Phys. Chem. B, Vol. 107, No. 34, 2003