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Apr 5, 2012

PH2161 Engineering Physics II - SUBJECT CATALOG

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SYLLABUS:



PH2161           ENGINEERING PHYSICS II                                                                      L T P C
3 0 0 3

UNIT  I            CONDUCTING MATERIALS           9
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  9
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.

UNIT  III          MAGNETIC AND SUPERCONDUCTING MATERIALS   9
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        -           Typeof         super   conductors      –          BCS    theorof superconductivity(Qualitative)  -  High  Tc  superconductors   Applications  of  superconductors  – SQUID, cryotron, magnetic levitation.

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UNIT  IV          DIELECTRIC  MATERIALS 9
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     9
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
sol-gels electrodeposition ball milling - properties of nanoparticles and applications.
Carbon nanotubes: fabrication arc method pulsed laser deposition chemical vapour deposition
- structure – properties and applications.
TOTAL : 45 PERIODS

TEXT BOOKS:
1.  Charles Kittel Introduction to Solid State Physics, John Wiley & sons, 7th (2007edition, Singapore
2.  Charles P. Poole and  Frank J.Ownen, Introduction to Nanotechnology, Wiley India(2007) (foUnit V)



REFERENCES:
1.         Rajendran,  V,  and  Marikani  A,  Materials  scienceTata  McGraw  Hill  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 ScienceAnuradha publications, Kumbakonam, (2006)

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