Supply Of The Under-Mentioned Goods/Articles -, Kolkata-West Bengal

Supply Of The Under-Mentioned Goods/Articles -1. P-E Hysteresis set-up for Ferroelectric Hysteresis Measurement & Analysis ;Polarisation-Field (P-E loops) measurements for Piezoelectric Ceramics [Lead ZirconateTitanate] Determination of Spontaneous polarization(Ps) Determination of Remnant Polarization(Pr) Determination of Coercive Field(Ec)&Susceptibility[χ] Study of temperature effect on P-E Loop forYV5 [Barium Titanate ceramics co-doped with lanthanum and cerium] with Temperature variation attachment [HOT(up to 600 C) & COLD up to 20 C] ACC: C.R.O[OS5020, Metravi ] 2. Resistivity of Semiconductors by Four Probe Method at Different Temperatures and Determination of the Band-gap, DFP-03 (Advance Model) Make: SES Complete in all respect. 3. Lattice dynamics experimental set up. 4. Measurement of Planck’s constant using black body radiation andphoto-detector; To study of temperature dependence of spectral distribution ofblack body radiation using photo-detector, non-ideal behavior of Ph.Cell by measuring quantum efficiency, to determine the temperature of artificial star.- band gap energy of the material of the photo cell is determined. Complete with variable regulated power supply (0-12V, 2A),voltmeter micro ammeter, ammeter,, photo cell, Filament bulb and mini optical bench, light intensity meter,5 nos optical filters etc make: REL 5. To determine the wavelength of H-alpha emission line ofHydrogen atom;Determination of Rydberg’s constant by studying ydrogen/Heliumspectrum.(Determination of the wavelength of H-alpha emission lineof Hydrogen atom). Make: REL [Spectrometer Make INCO , type 4232,EHT sourcefor discharge tube, make: SES, Discharge tube helium, Hydrogen, Discharge tube stand, Prism(EFD) R:I =1.65 (32 x 32 mm),Grating 15000 LPI /7500 LPI (imported type). 6. To show the tunneling effect in tunnel diode using I-V characteristics;Characteristics of tunnel diode,modeLBS3T.Experimental Board should be self sufficient, i.e., no other apparatus required. Regulated, short circuit-proof and continuously variable voltage power supply suitable to the experimental board is built-in. Digital voltmeter and digitalcurrent meter of suitable range should be provided on the panel for themeasurement of voltage and current of the circuit. A complete working manual, completed with the theory, circuit details and operating procedure should be supplied along with the experimental board.

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