ENGINEERING PHYSICS-II

AUTHORS: Dr.D.JAYARAMAN, Dr.K.ILANGOVAN & B.BALAKRISHNAN
PUBLIHSER: ANURADHA PUBLICATOINS, KUMBAKONAN & CHENNAI

Chapter I Conducting materials

Conductor-classical free electron theory of metals-electrical and thermal conductivity-Wiedmann Franz law-Lorentz number- draw backs of classical theory-quantum theory-Fermi distribution theory- effect of temperature on Fermi function-density of energy states-carrier concentration in metals.

Chapter II Semiconducting materials

Intrinsic semiconductor- carrier concentration derivation-Fermi level- variation of Fermi level with temperature-electrical conductivity-band gap determination-extrinsic semiconductor – carrier concentration derivation in n-type and p-type semiconductor-variation of Fermi level with temperature and impurity concentration-compound semiconductor-Hall effect-determination of Hall coefficient-applications

Chatper III Magnetic materials

Origin of magnetic moment-Bohr magneton-dia and para magnetism-Ferro mangnetism-domain theory –hysteresis-soft and hard magnetic materials-antiferro magnetic materials-ferrites-applications-magnetic recording and readout-storage of magnetic data-tapes-floppy and magnetic disc drives.

Chapter IV Superconducting materials

Superconductivity-properties-types of superconductors-BCS theory of superconductivity-(qualitative)-High temperature superconductors- applications of superconductor-SQUID- cryotron-magnetic levitation

Chapter V Dielectric materials

Electrical susceptibility-dielectric constant-electronic-ionic, orientational and space charge polarization-frequency and temperature dependence of polarization-internal field-Clausius-Mosotti relation derivation-dielectric loss-dielectric breakdown-uses of dielectric materials- (capacitor and transformer)-ferroelectricity and application

Chapter VI Modern engineering materials-I

Metallic glasses preparation, properties and applications- shape memory alloys (SMA)-Characteristic properties of NiTi alloy-application-advantages and disadvantages of SMA.

Chapter VII Modern engineering materials-II

Nanometerials-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.