PH3259 - APPLIED MATERIALS SCIENCE (Syllabus) 2021-regulation Anna University

PH3259 - APPLIED MATERIALS SCIENCE (Syllabus) 2021-regulation Anna University

PH3259	APPLIED MATERIALS SCIENCE	LPTC

3003

COURSE OBJECTIVES:

• To make the students to understand the basics of crystallography and its importance in studying materials properties.
• To inculcate the knowledge of phase relationships for the understanding of material properties.
• To understand the electrical properties of materials including free electron theory, applications of quantum mechanics and magnetic materials.
• To instil knowledge on physics of semiconductors, determination of charge carriers and device applications
• To establish a sound grasp of knowledge on different optical properties of materials, optical displays and applications

UNIT I	CRYSTALLOGRAPHY	9

Crystal structures: BCC, FCC and HCP – directions and planes - linear and planar densities – crystal imperfections- edge and screw dislocations – grain and twin boundaries - Burgers vector and elastic strain energy- Slip systems, plastic deformation of materials - Polymorphism – phase changes – nucleation and growth – homogeneous and heterogeneous nucleation.

UNIT II	PHASE DIAGRAMS	9

Phase equilibrium – solubility limit – solid solution (interstitial and substitution) – intermediate phases – intermetallics – electron compound – Gibbs phase rule – Unary phase diagram (iron) – Binary phase diagrams: Isomorphous systems (Cu-Ni) – determination of phase composition and phase amounts – tie line and lever rule – binary eutectic diagram with no solid solution and limited solid solution (Pb-Sn) – eutectoid and peritectic reactions – other invariant reactions – microstructural development during the slow cooling: eutectic, hypereutectic and hypoeutectic compositions.

UNIT III	ELECTRICAL AND MAGNETIC PROPERTIES OF MATERIALS	9

Classical free electron theory - Expression for electrical conductivity – Thermal conductivity, expression - Quantum free electron theory :Tunneling – degenerate states – Fermi- Dirac statistics – Density of energy states – Electron in periodic potential – Energy bands in solids – tight binding approximation - Electron effective mass – concept of hole. Magnetic materials: Dia, para and ferromagnetic effects – paramagnetism in the conduction electrons in metals – exchange interaction and ferromagnetism – quantum interference devices – GMR devices.

UNIT IV	SEMICONDUCTORS AND TRANSPORT PHYSICS	9

Intrinsic Semiconductors – Energy band diagram – direct and indirect band gap semiconductors – Carrier concentration in intrinsic semiconductors – extrinsic semiconductors - Carrier concentration in N-type & P-type semiconductors – Variation of carrier concentration with temperature – Carrier transport in Semiconductors: Drift, mobility and diffusion – Hall effect and devices – Ohmic contacts – Schottky diode.

UNIT V	OPTICAL PROPERTIES OF MATERIALS	9

Classification of optical materials – Optical processes in semiconductors: optical absorption and emission, charge injection and recombination, optical absorption, loss and gain. Optical processes in quantum wells – Optoelectronic devices: light detectors and solar cells – light emitting diode – laser diode - optical processes in organic semiconductor devices –excitonic state – Electro-optics and nonlinear optics: Modulators and switching devices – plasmonics.

TOTAL : 45 PERIODS

COURSE OUTCOMES : At the end of the course, the students should be able to

• Know basics of crystallography and its importance for varied materials properties.
• Understand the properties of materials through the study of phase relationships.
• Gain knowledge on the electrical and magnetic properties of materials and their applications
• Understand clearly of semiconductor physics and functioning of semiconductor devices
• Understand the optical properties of materials and working principles of various optical devices.

TEXT BOOKS:

1. V.Raghavan. Materials Science and Engineering: A First Course, Prentice Hall India Learning Private Limited, 2015.
2. Safa Kasap, Principles of Electronic Materials and Devices, Mc-Graw Hill, 2018.
3. Jasprit Singh, Semiconductor Devices: Basic Principles, Wiley (India), 2007.
4. Jasprit Singh, Semiconductor Optoelectronics: Physics and Technology, Mc-Graw Hill India (2019)
5. Safa kasap, Optoelectronics & Photonics: Principles and Practices, Pearson, 2013.

REFERENCES:

1. R.Balasubramaniam, Callister’s Materials Science and Engineering. Wiley (Indian Edition), 2014.
2. Wendelin Wright and Donald Askeland, Essentials of Materials Science and Engineering, CL Engineering, 2013.
3. Robert F.Pierret, Semiconductor Device Fundamentals, Pearson, 2006.
4. Simon Sze and Ming-kwei Lee, Semiconductor Devices: Physics and Technology, Wiley, 2015.
5. Pallab Bhattacharya, Semiconductor Optoelectronic Devices, Pearson, 2017.