PH2161 ENGINEERING PHYSICS – II Syllabus [Regulation: 2008]

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  edition, Singapore (2007)

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).