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Sunday, April 3, 2011

Engineering Physics - II second semester Anna University,chennai subject notes lecturer notes unitwise 2 marks and 16 mark questions

UNIT  I           CONDUCTING MATERIALS     Click here To Download
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     Click here To Download 
Intrinsic semiconductor – carrier concentration derivation – Fermi level – Variation  of Fermi level with temperature – electrical conductivity – band gap determination  – extrinsic semiconductors – carrier concentration derivation in n-type and p-type  semiconductor – variation of Fermi level with temperature and impurity  concentration – compound semiconductors – Hall effect –Determination of Hall
coefficient – Applications.

Origin of magnetic moment – Bohr magneton – Dia and para magnetism – Ferro  magnetism – Domain theory – Hysteresis – soft and hard magnetic materials –  anti – ferromagnetic materials – Ferrites – applications – magnetic recording and  readout – storage of magnetic data – tapes, floppy and magnetic disc drives.
Superconductivity : properties - Types of super conductors – BCS theory of  superconductivity(Qualitative) - High Tc superconductors – Applications of  superconductors – SQUID, cryotron, magnetic levitation.

UNIT  IV         DIELECTRIC  MATERIALS     Click here To Download
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          MODERN ENGINEERING MATERIALS    Click here To Download
Metallic glasses: preparation, properties and applications.  Shape memory alloys (SMA): Characteristics, properties of NiTi alloy,   application, advantages and disadvantages of SMA
Nanomaterials:  synthesis –plasma arcing – chemical vapour deposition – solgels – electrodeposition – ball milling - properties of nanoparticles and  applications.   Carbon nanotubes: fabrication – arc method – pulsed laser deposition –  chemical vapour deposition - structure – properties and applications.

1. Charles Kittel ‘ Introduction to Solid State Physics’, John Wiley & sons, 7th edition, Singapore (2007)
2. Charles P. Poole and  Frank J.Ownen, ’Introduction to Nanotechnology’,  Wiley India(2007) (for Unit V)


1. Rajendran, V, and Marikani A, ‘Materials science’ TMH publications, (2004)  New delhi.
2. Jayakumar, S. ‘Materials science’, R.K. Publishers, Coimbatore, (2008).
3. Palanisamy P.K, ‘Materials science’, Scitech publications(India) Pvt. LTd.,  Chennai, second Edition(2007)
4. M. Arumugam, ‘Materials Science’ Anuradha publications, Kumbakonam,
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