Excimer Laser (KrF, &lambda=248 nm) based Pulsed Laser Deposition facility. Three separate chambers devoted to high Tc superconductors, magnetic and superconducting nitrides and hole doped manganites exist in the laboratory. A thermal evaporator for deposition of Pb, Au, Ag electrodes on thin films at liquid nitrogen temperature is also available in the laboratory.
X'Pert Pro MPD X-Ray Diffractometer
Seifert &theta - &omega glancing angle x-ray diffractometer is also available in the lab. SEM facility is available in the Institute.
Structural Characterization
14 tesla, 0.3K, Quantum Design Physical Property Measurement System.
Resistivity, Hall, magnetoresistance, tunneling measurements down to 4.2 K and in =<5 tesla field using probes developed in the laboratory.
Contact-less measuremnts of the dynamical behavior of vortices in high Tc superconductors in the frequency range of 2 Hz~6 MHz; Penetration depth measurement using a tunnel diode oscillator based resonant circuit (Rev. Sci. Instr. 17, 1494 (1999))
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Measurements of higher order susceptibilities using a Hall-probe-based susceptometer. Measurement of AC conductivity in the frequency range of a few Hz to 200 Mhz (Rev. Sci. Instr. 75, 141 (2004))
1.6 K Close Cycle Refrigerator with extreme temperature stability of 0.001 K
Sample Stage has been modified for variety of transport and susceptibility measurements
Quantum Design SQUID magnetometer.
Non-equilibrium Photo Effects
Time and frequency domain measurements of photo-induced non-equilibrium effects in solids. He-Cd and He-Ne continuous-wave lasers and frequency tripled pulsed (~ 6 nsec) Nd-YAG laser, Low temperature cryostat with fast electronics.
Liquid phase pulsed laser ablation using a frequency doubled Nd-YAG laser for preparation of metal nano particle solution.
Scanning Probe Microscopy
RHK Technology Scanning Probe Microscope with UHV and low temperature facility
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Copyright: Low Dimensional Systems Lab, Dept. Of Physics, IIT Kanpur.
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