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Department of Physics and Materials Science and Engineering

Laboratory

Department offers two laboratory courses in Physics at undergraduate level and two laboratory courses in Material Science & Engineering at postgraduate level. The laboratory courses cover the experiments which are of direct relevance to the students of Material Science & Engineering, Computer Science and Engineering, IT, Electronics, Biotechnology. The experiments cover the following topics:

M.Tech

  • Materials - Polymer, Ceramics, Metals. Alloys, Composites, Nanomaterials, Biomaterials
  • Materials Synthesis-Synthesis of different materials by chemical, solid state etc methods
  • Material analysis-Microstructure analysis, Structure by X-ray diffraction

Material characterization:

  • Optical characterization: Absorption Spectroscopy in UV-VIS and IR region, Emission Spectroscopy
  • Electrical Characterization: Electrical conductivity, Impedence measurement, Dielectric constant,
  • Magnetic Characterization: Magneto resistance, Magnetic Susceptibility, Hysterisis, Magneto optic rotation, Magnetostriction.

Experiments in M. Tech Level

  • Structure characterization of crystalline (BaTiO3 and ZnO) and amorphous samples using X-Ray diffractionpattern.
  • Study of Infrared spectra of BiFeO3 ceramic using KBr pellets and polymer films.
  • Determination of the band gap of ZnO and some other materials using UV-visible spectroscopy.
  • Study of Magnetostriction using Michelson Interferometer.
  • Study of dielectric constant and determination of Curie temperature of ferroelectric ceramics.
  • Determination of carrier density, mobility any type of semiconductor using Hall Effect.
  • Study of magneto resistance of given semiconductor material.
  • Determination of the band gap of a semiconductor by Four Probe method.
  • Synthesis and characterization of polymer thin films.
  • Synthesis and characterization of ceramic materials by solid state route.
  • Synthesis and characterization of Nano particles of ZnO by Chemical method.
  • Synthesis and determination of band gap of TCO by UV-VIS spectroscopy
  • Frequency and temperature dependent dielectric constant measurement by Impedance spectroscopy.
  • Preparation of thin film of required material on a given substrate using vacuum coating unit.
  • Fiber Optics (i) To measure the NA of the fiber (ii) to study various transmission losses in the optical fiber(iii) to study free space voice communication through optical fiber.
  • Study of microstructure (i) Polishing (ii) Etching (iii) Surface study using optical microscope.
  • Characteristics of P-N junction diode with varying temperature.
  • Analysis of magnetic susceptibility of magnetic materials

Major EquipmentsMaterial Science Lab (M.Tech Lab)

S.No EQUIPMENT MAKE
1 Vacuum coating unit with accessories 12A4D Hind High Vacuum Company Pvt. Ltd.
2 High resolution Optical Micro scope with accessory The National Scientific Instrument Co.
3 Lambda 35 double beam UV/Visible spectrophotometer with accessories Perkin Elemer, Germany
4 Spectrum BX-II FTIR spectrophotometer with accessories Perkin Elemer, Germany
5 LS-55 Luminescence spectrometer with accessories Perkin Elemer, Germany
6 Low temperature setup (upto 77K) with LS-55 Luminescence spectrometer Perkin Elemer, Germany
7 Dual analytical balance Citizen CX-265
8 polishing machine The National Scientific Instrument Co.
9 Hardness testing machine Just Machine
10 Nano-Voltmeter, Digital Multimeter Keithely
11 High Temperature furnace & lab tubular furnace (upto 1200°C), Hot plate and Oven Narang Scientific Pvt. Ltd.
12 LCR Meter Hioki, Japan
13 Hot air oven Mac flow Engineering & Nisco
14 Water purification system Millipore
15 Electro Magnet Raman Scientific
16 Impedance Analyzer(Up to 35 MHz) NEWTONS4TH LTD., UK Make Model PSM1735
17 P.I.D. controlled High Temperature Tub Furnace up to 14500 C JUPITER ENGINEERING WORKS
18 P-E loop measurement with temperature & interfaced with computer Marine India Ltd.,
19 Electromagnet (which can produce magnetic field upto 1 Tesla) Polytronics corporation
20 Nano volt meter+ AC & DC current Source Keithley Instruments, USA
21 Programmable Spin Coater Apex Instrument Co.India
22 High Temperature programmable Furnace (upto 1350 C) JUPITER ENGINEERING WORKS
23 X RAY DIFRACTOMETER
MODEL: XRD 6000
SHIMADZU ANALYTICAL
24 Novo Control Alpha A High Performance Frequency Analyzer GERMANY

B.Tech

Optics -Interference, Diffraction, Polarization.
Electricity and magnetism - Specific Resistance, Magnetic Field, Dielectric Constant, Magnetic Susceptibility, Hysterisis Behavior, Magneto-optic rotation etc.

Modern Physics- Plank’s constant, e/m etc.
Lasers- Numerical Aperture, Beam Divergence, Magnetostriction.

Semiconductors- Hall Effect, Four Probe Method.
Laboratory is well equipped with latest scientific equipment for experiments on above topics.

Experiments in B. Tech level:

  • To determine the wavelength of sodium light with the help of Newton’s rings.
  • To determine the wavelength of sodium light by using Fresnel’s Bi-Prism.
  • To determine the specific rotation of cane sugar solution by using Polarimeter.
  • To determine the dispersive power of material of prism by spectrometer.
  • To determine the wavelength of different spectral lines by spectrometer with the help of diffraction grating.
  • To study photo-electric effect and determine the Plank’s constant (h).
  • To determine the resistance per unit length of bridge wire and specific resistance of material of the given wire using Carey Foster’s bridge.
  • To study the variation of magnetic field along the axis of Helmholtz galvanometer.
  • Study of the properties of Optical Fiber and determination of numerical aperture, attenuation coefficient etc (experiment I-V as per the manual).
  • Determination of band-gap of a semiconductor by using four probe technique.
  • Determination of Susceptibility of paramagnetic liquid by using Quinck’s tube.
  • Determination of e/m (charge mass ration) of electron by using Thompson’s method.
  • Study of Hall Effect and determination of allied coefficients.
  • Study of variation of dielectric constant with temperature.
  • To determine the wavelength of laser light using diffraction grating.
  • Study of the magnetostricition by using optical technique.
  • Study of V-I characteristics of different diodes.

Major Equipments

(B.Tech Lab)

S.No EQUIPMENT MAKE
1 Spectrometer Osaw
2 Michelson Interferometer Raman scientific
3 Traveling microscope Osaw
4 Telescope Osaw
5 Electromagnet Raman scientific
6 Gauss meter Raman scientific
7 Cathode Ray Tube Omega
8 Digital oscilloscope Aplab
9 Helium neon Laser source (2mw) Raman scientific
10 Polarimeter Osaw
11 Helmholtz galvanometer Parco