Thin Films of functional materials including ferroelectrics, dielectrics and other multi-component materials. Physical concepts and properties including electrical, electrooptic, pyrooptic and electrostrictive nature.

Study of growth techniques of both physical and chemical vapour based for the development of epitaxial and grain oriented oxide thin films and their integration onto semiconductors (Si and GaAs). Process-microstructure- property correlation’s and effect of low energy reactive ion bombardment on nucleation kinetics, epitaxy, property modification and the electronic conduction phenomena.

Device concepts utilizing epitaxial multi-component oxide thin films, including FRAMs, DRAMs, Electrooptic switches and modulators, pyrooptic imagers and electrostrictive actuators for defense and consumer industrial application.

S B KRUPANIDHI

Ohing M., Thin Film Materials Science & Engineering Academic Press, 1992.
Herbert, M., Ferroelectric Materials and devices, Gordon & Breach, 1990.
Scott. J.F., Integrated Ferroelectrics, Gordon & Breach 1994.
Several related journals will be referred during the discussion.

MR 202 (JAN) 3:0
Electron Microscopy in Material Characterization

Types of electron-optical instruments and their resolution. Electron diffraction - Kinematical theory - Superstructure and modulated structures. High resolution electron microscopy. Scanning electron microscopy and its various modes of operation - X-ray analysis using wavelength (WDS) and energy (EDS) dispersive techniques. Survey of other techniques such as scanning tunnelling microscopy and atomic force microscopy - Experimental demonstration with different types of materials.

N RAVISHANKAR

J W Edington., Practical Electron Microscopy in Materials Science.
Goldstein., Introduction to SEM.
Loretto. M.H., Electron Beam Analysis of Materials.
D.B. Williams & C.B. Carter. TEM - A text book for Materials Science.

MR 301 (AUG) 3:0
Concepts in Material Science - I : Electronic Properties

Quantum Mechanics - Wave equation, Eigen values and Eigen functions, Operators, vector spaces, matrix methods, special functions, Idential particles, Second Quantization, Ensembles. Free electron and band theory of solids; Metals; Insulators, Semiconductors, Semiconductor device concepts; Preparation of electronic grade materials. Magnetic properties: Crystal and Ligand field theories. Magnetic ordering in solids, hard and soft magnets; Ferrites; Garnets. Applications: Superconductors - phenomenology and applications.

S A SHIVASHANKAR and VIJAY B SHENOY

David Saxon, Elementary Quantum Mechanics, (Holden Press 1975).
Kittel, C., Introduction to Solid State Physics, 5th Edn. (Wiley Eastern, 1976).
Streetman, B.G., Solid State Electronic Devices, 3rd Edn. (Prentice Hall. India, 1991).

MR 302 (AUG) 3:0
Concepts in Materials Science - II : Structure and Microstructure

Descriptive Crystal Chemistry for Ionic Crystals, Pauling’s Rules, Thermodynamics of Point defects, Point defects in Ionic Crystals, Defect Reactions and Kroger-Vink Diagrams, Introduction to Dislocations, Slip, Slip Systems, Perfect and Partial Dislocations, Thompson Tetrahedron and Dislocation Reactions, Planar defects, surfaces and interfaces, Direct Observation of Defects in Materials.

Phase rule, Binary and Ternary Phase Diagrams and Microstructural Development, Heat treatment and Kinetics of Phase Transformations.

Mechanical Proeprties of Materials, Dutile, Brittle and Viscoelastic behaviour, Microstructure and Strengthening Mechanisms, Composite Materials.

S RAGHAVAN and A M UMARJI

J.F. Shackelford, Introduction to Materials Science for Engineers Y-M Chiang, D.P. Birnie III and W.D. Kingery, Physical Ceramics: Principles for Ceramic Science and Engineering.
A.R. West, Solid State Chemistry and its Applications.
D. Hull and D.J. Bacon, Introduction to Dislocation.

MR 303 (AUG) 3:0
Concepts in Materials Science - III : Dielectrics and Ferroelectrics

Advanced Materials Preparation- an overview. Crystal growth techniques, fabrication of transparent ceramics, grain size effects on optical transmission, optical nanocomposites. Dielectrics: Dielectric constant and polarisation. Frequency and temperature effects on the dielectric properties. Piezo, pyro and ferroelectric materials, optical properties: Refractive index. Birefringence, optical indicatrix; Electro-optic effects in materials.

S B KRUPANIDHI and K B R VARMA

Laudise. R.A. Growth of single crystals. Streetman, B.G. Solid State Electronic Devices, 3rd Edn. (Prentice Hall, India, 1991).
Lines M.R. and Glass A.M. Principles and Application of Ferroelectrics and related materials.

MR 304 (AUG) 1:2
Characterization Techniques in Materials Science

Preparation of fine particles, Growth of Single crystals and Thin films, Thermal analysis, Magnetic measurement, X-ray diffraction, SEM and TEM analyses, electrical and dielectric measurements.

KBR VARMA

David Saxon, Elementary Quantum Mechanics, (Holden Press 1975).
Kittel, C. Introduction to Solid State Physics, 5th Edn. (Wiley Eastern, 1976).
Streetman, B.G., Solid State Electronic Devices, 3rd Edn. (Prentice Hall. India, 1991).

MR 305 (JAN) 3: 0
Functional Nanoparticles, Nanowires and Nanocomposites

Introduction to nanoscience and nanotechnology, Several methods of synthesizing Nanoparticles, nanowires and nanocrystals-glass composites, chemical electrochemical Sol-get, vapor phase etc Structural and optical characterization, Size-dependent properties of nanoparticles including optical, magnetic, thermal and spintronic, verification of Kelvin effect, application in catalysis, gas sensing, pyroferro and nonlinear optical Devices

K K NANDA AND K B R VARMA

Wolf E L, Nanophysics and Nanotechnology: An Introduction to Modern Concepts in Nanoscience.
Schmind G, Nanophysics: From theory to application.
Lines M R and Glass A M Principles and Applications of Ferroelectrics and related Materials.

MR 306 (JAN) 3: 0
Theory of Materials with Electronic Correlations

Review of one electron theory, Overview of quantum many body theory-Green’s Functions, spectral functions, Kubo transport layer, Fermiliuid theory. Superconductivity – Type I and Type II superconductors, BCS Theory, Quantum double exchange magnets. Magnetic impurities in metals and the Kondo effect. Materials with strong electronic correlations; Phenomenology, current theories, open issues in managanites, high Tc superconductors and heavy fermion compounds.

V B SHEONY

P Norizieres, Theory of Interacting Fermi Systems.
G D Mohan, Many Partricle Physics.
P Fazekas, Lectures Notes on Electron Correlation and Magnetism.
K Yosida, Theory of Magnetism.
N Tsuda, K Nasu, A Fujimori, K Siratori, Electronic Conduction in Oxides.
Papers from current literature.

MR 307 (AUG) 3:0
Crystal Growth: Thin Films and Nano-structures

Surfaces and Interfaces; Surface Diffusion; Nucleation- 1D,2D and 3D- of non-isotropic crystals; Nucleation rate theories; Growth mechanisms and growth kinetics of crystal facets; Epitaxial growth; Stress generation and its effects on crystal growth; in-situ methods for monitoring crystal growth; Application to growth by MBE, CVD, PVD, sputtering and growth from solutions and melt.

S RAGHAVAN

Crystal growth for Beginners, Fundamentals of Nucleation, Crystal Growth and Epitaxy, Ivan V. Markov, World Scientific, 1998.(548.5,N96)
Materials Fundamentals of MBE, J.Y.Tsao, Academic Press, 1993.(548.5, N93)
Thin Film Materials - Stress, Defect Formation and Surface Evolution, L.B.Freund, S.Suresh, Cambridge University Press, 2003. (621.38152 PO36)
Introduction to Surface and Thin Film Processes, John A. Venables, Cambridge University Press, 2000.

Top

CD 222 (JAN) 3:0
Materials Chemistry

Structure of solids, symmetry concepts, crystal structure.Preparative methods and characterization of inorganic solids. Crystal defects and non-stoichiometry. Interpretation of phase diagrams, phase transitions. Kinetics of phase transformations, structure property correlations in ceramics, glasses, polymers, composites and nano-materials. Basics of magnetic, thermal, electrical, optical and mechanical properties of solids.

A M UMARJI, K K NANDA and N RAVISHANKAR

A.R. West, Solid State Chemistry and its Applications, John Wiley & Sons 1984.
J.F. Shackelford, Introduction to Materials Science for Engineers,Mac Millan 1988.