PH2161 Engineering Physics II - SUBJECT CATALOG

SUBJECT RESOURCES:

CLICK HERE to access 'Question Banks'


CLICK HERE to access 'Previous Year Question Papers'


CLICK HERE to access '2 Mark Questions with Answers'


CLICK HERE to search more about this subject



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        -           Types  of         super   conductors      –          BCS    theory  of superconductivity(Qualitative)  -  High  Tc  superconductors  –  Applications  of  superconductors  – SQUID, cryotron, magnetic levitation.

[

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 (2007) edition, Singapore

2.  Charles P. Poole and  Frank J.Ownen, ’Introduction to Nanotechnology’, Wiley India(2007) (for Unit V)

REFERENCES:

1.         Rajendran,  V,  and  Marikani  A,  ‘Materials  science’Tata  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 Science’ Anuradha publications, Kumbakonam, (2006)