Dr. Rajkumar Chakraborty

Physics
Associate Professor
Email: rajkumarchakraborty@gcect.ac.in

Dr. Rajkumar Chakraborty, Associate Professor of Physics (WBES) had his graduation from Presidency College, Calcutta with Honours in Physics, post graduation from Calcutta University and Ph.D. from Jadavpur University. He has more than 30 years of teaching experience in different degree colleges. At present he is teaching Engineering Physics in GCECT. His current research interest is in electrical transport mechanism in composites and nano-composites.

List of Publications:

  1. Nonlinear I-V characteristics near the percolation threshold
    R. K. Chakrabarty, K. K. Bardhan, and A. Basu, Phys. Rev. B 44, 6773 (1991)
  2. Nonlinear ac response near percolation threshold and three-variable scaling
    K. K. Bardhan and R. K. Chakrabarty, Phys. Rev. Lett. 69, 2559(1992).
  3. Measurement of AC conductance, and minima in loss tangent, of random conductor-insulator mixtures
    R K Chakrabarty1, K K Bardhan1 and A Basu, Journal of Physics: Condensed Matter , 5 , 2377, 1993
  4. Identical scaling behavior of dc and ac response near the percolation threshold in conductor-insulator mixtures
    K. K. Bardhan and R. K. Chakrabarty, Phys. Rev. Lett. 72, 1068 (1994)
  5. Bardhan and Chakrabarty Reply,
    K. K. Bardhan and R. K. Chakrabarty, Phys. Rev. Lett. 74, 1694 (1995_
  6. Low noise constant current source for bias-dependent noise measurements
    D. Talukdar; R. K. Chakraborty; Suvendu Bose; K.K. Bardhan, Rev. Sci. Instrum. 82, 013906 (2011)
  7. Bias Exponent of Resistance Noise as a Probe for Disordered Systems
    A. K. Dey, U. N. Nandi, R. K. Chakrabarty, D. Talukdar, K. K. Bardhan, Physica Status Solidi 255 (9), 1700664
  8. Zener-like electrical transport in polyaniline–graphene oxide nanocomposites
    AK Dey, G Kumar, PK Maji, RK Chakrabarty, UN Nandi, RSC advances 10 (8), 4733-4744, 2020
  9. Nonlinearity exponent: A phase-sensitive parameter in disordered systems
    Animesh Kr Dey, UN Nandi, Pradip K Maji, RK Chakrabarty, Physica B: Condensed Matter, 582, 412001(2020)

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