PH6251 ENGINEERING PHYSICS II -syllabus

PH6251 ENGINEERING PHYSICS – II

OBJECTIVES:

 To enrich the understanding of various types of materials and their applications in engineering
and technology.

UNIT I                    CONDUCTING MATERIALS

Conductors – classical free electron theory of metals – Electrical and thermal conductivity –
Wiedemann – Franz law – Lorentz number – Draw backs of classical theory – Quantum theory –
Fermi distribution function – Effect of temperature on Fermi Function – Density of energy states –
carrier concentration in metals.

UNIT II                  SEMICONDUCTING MATERIALS

Intrinsic semiconductor – carrier concentration derivation – Fermi level – Variation of Fermi level with
temperature – electrical conductivity – band gap determination – compound semiconductors -direct
and indirect band gap- derivation of carrier concentration in n-type and p-type semiconductor –
variation of Fermi level with temperature and impurity concentration –– Hall effect –Determination of
Hall coefficient – Applications.

UNIT III                 MAGNETIC AND SUPERCONDUCTING MATERIALS

Origin of magnetic moment – Bohr magneton – comparison of Dia, Para and Ferro magnetism –
Domain theory – Hysteresis – soft and hard magnetic materials – antiferromagnetic materials –
Ferrites and its applications Superconductivity : properties – Type I and Type II superconductors –
BCS theory of superconductivity(Qualitative) - High Tc superconductors – Applications of
superconductors – SQUID, cryotron, magnetic levitation.

UNIT IV                    DIELECTRIC MATERIALS

Electrical susceptibility – dielectric constant – electronic, ionic, orientational and space charge
polarization – frequency and temperature dependence of polarisation – internal field – Claussius –
Mosotti relation (derivation) – dielectric loss – dielectric breakdown – uses of dielectric materials
(capacitor and transformer) – ferroelectricity and applications.

UNIT V                     ADVANCED ENGINEERING MATERIALS

Metallic glasses: preparation, properties and applications. Shape memory alloys (SMA):
Characteristics, properties of NiTi alloy, application, Nanomaterials– Preparation -pulsed laser
deposition – chemical vapour deposition – Applications – NLO materials –Birefringence- optical Kerr
effect – Classification of Biomaterials and its applications

                                                                                                                              TOTAL:45PERIODS
OUTCOMES:

The students will have the knowledge on physics of materials and that knowledge will be used by
them in different engineering and technology applications

TEXT BOOKS:

1. Arumugam M., Materials Science. Anuradha publishers, 2010
2. Pillai S.O., Solid State Physics. New Age International(P) Ltd., publishers, 2009

REFERENCES:

1. Palanisamy P.K. Materials Science. SCITECH Publishers, 2011.
2. Senthilkumar G. Engineering Physics II. VRB Publishers, 2011.
3. Mani P. Engineering Physics II. Dhanam Publications, 2011.
4. Marikani A. Engineering Physics. PHI Learning Pvt., India, 2009.

Click here to download full syllabus                           AULibrary.com