CML331 Fundamentals of Nanoscience Syllabus:

CML331 Fundamentals of Nanoscience Syllabus – Anna University Regulation 2021

COURSE CBJECTIVES :

The main learning objective of this course is to prepare the students for:
1. Understanding the evolution of nanomaterials in the scientific era and different processing methods, properties of nanomaterials for the future engineering applications
2. Gaining knowledge on processing zero dimensional nanomaterials and using them in engineering applications
3. Acquiring knowledge on processing one dimensional nanomaterials and using them in engineering applications
4. Getting acquainted with processing two dimensional nanomaterials and using them in engineering applications
5. Exposing to characterization techniques used for nanomaterials.

UNIT I INTRODUCTION TO NANOMATERIALS

Amorphous, Crystalline, microcrystalline, quasicrystalline and nanocrystalline materials- historical development of nanomaterials – Nanomaterials classification (Gleiter’s Classification) – properly changes done to size effects, Hall – Petch, inverse Hall- Petch effects – polymeric nanostructures

UNIT II ZERO DIMENSIONAL NANOMATERIALS

Nanoparticles – Properties – Processing – Liquid state processing – Sol-gel process, wet chemical synthesis – Vapour state processing – PVD, CVD, Aerosol processing, solid state processing – mechanical, mechanochemical synthesis – Application of nanoparticle. Quailing Dots – Quantum confinement – Pauli Exclusion Principle – Processing – Optical lithography – MOCVD – Droplet epitaxy – Applications.

UNIT III ONE DIMENSIONAL NANOMATERIALS

Carbon nanotubes – Old and new forms of carbon – Structure of CNT and classification – Processing – Solid carbon based production techniques – Gaseous carbon based production technique – growth mechanisms – Applications- Boron nanotube-Synthesis-Applications Nanowire – processing – Laser ablation – Oxide assisted growth – carbo thermal reactions – Thermal evaporation – Temperature based synthesis – Electro spinning – Vapour–Solid growth
(VS growth) – vapour – liquid – solid growth (VLS technique) – Applications.

UNIT IV SUPER HARD COATINGS AND BULK NANOSTRUCTURED MATERIALS

Superhard coating – types – characteristics – thermal stability – case studies (nc-TiN/a-Si3N4 coating) – Applications. Buck nanostructure formation – Equal Channel angular pressing(ECAP) – High pressure torsion(HPT), Accumulative roll bending – Reciprocating extrusion – compression, cyclic close die forging – Repetitive corrugation and straightening – Grain refinement mechanisms.

UNIT V CHARACTERIZATION OF NANOMATERIALS

Nano indentation – Types of nanoindenter – Force actuation-Displacement measurement- factors affecting nanoindentation- Different models for calculation of E and hardness- Atomic force microscope (AFM) cantilever dynamics–Electrostatic force mode (EFM) – Magnetic force mode (MFM)

TOTAL: 45 PERIODS
COURSE OUTCOMES:

Upon Completion of the course, the students will be able to
1. Explain the categories of nanomaterials and the effects due to which the properties changes
2. Describe the processes employed for processing zero dimensional nanomaterials and employ them in engineering applications
3. Select processes that can fabricate one dimensional nanomaterials
4. Prepare two dimensional nanomaterials and bulk nanostructures
5. Analyse the nanoindentation and AFM Data

TEXT BOOKS:

1. Bhusan, Bharat (Ed), “Springer Handbook of Nanotechnology”, 2nd edition, 2007.
2. Carl C. Koch (ed.), NANOSTRUCTURED MATERIALS, Processing, Properties and Potential Applications, NOYES PUBLICATIONS, Norwich, New York, U.S.A.

REFERENCES:

1. Bamberg, D., Grundman, M. and Ledentsov, N.N., “Quantum Dot Heterostructures”, Wiley, 1999.
2. Charles P. Poole Jr., Frank J. Ownes, ‘Introduction to Nanotechnology”, Wiley Interscience, 2003.
3. G Timp (ed), “Nanotechnology”, AIP press/Springer, 1999.
4. G. Wilde, “Nanostructured Materials’, Elsevier, 2008.
5. Mark Ratner and Daniel Ratner, “Nano Technology”, Pearson Education, New Delhi, 2003.