Kantimay Das Gupta
Associate Professor
Photograph: 
Phone: 
+91-22-25767598
Email: 
kdasgupta@phy.iitb.ac.in
Office: 

302B

Research Interests: 

Mesoscopic physics, low temperature transport, semiconductor heterostructures, thin film growth, small scale instrumentation, magnetic levitation

 

Courses offered

       
 EP 426               
Physics of Quantum Devices (January 2011,12,13,14,15)      
Lecture Notes
                
PH 409
                
Introduction to Condensed Matter Physics (July 2011,12,13)
                
Lecture Notes
                
 EP 431
                
Semiconductor Physics (July 2014,15,16)
                
Lecture Notes
                
 PH 108
                
Introduction to Electricity and Magnetism (Jan 2016,17,18)
                
Lecture Notes
                
 PH 517
                
Analytical Techniques (July 2017,18,19)
                
Lecture Notes
                
 PH 444
                
Electromagnetic Theory (January 2020)
Lecture Notes
                

 

 

 

 

Selected Publications: 
  • Effect of invasive probes on measurement of magneto-transport in macroscopic samples : A gallium nitride case study
    A.K. Jain, H. Chakraborti, B.P. Joshi, B. Pal, M.Monish, S.M. Shivaprasad, S. Dhar, K. Das Gupta. Journal of Applied Physics,126 (8), 085706 (2019)
  • Experimental evidence of a very thin superconducting layer in epitaxial indium nitride
    B. Pal, B.P. Joshi, H. Chakraborti, A.K. Jain, B.K. Barik, K. Ghosh, S. Bhunia, A. Laha, S. Dhar, K.  Das Gupta, Superconductor Science and Technology, 32, 015009 (2019)
  • Effect of paramater mismatch on the synchronization of strongly coupled self sustained oscillators
    N. Chakrabarty, A.K. Jain, Nijil Lal C.K., K. Das Gupta, P. Parmananda, Chaos 27, 013115 (2017)
  • Switching between attractive and repulsive Coulomb interaction mediated drag in an ambipolar GaAs/AlGaAs bilayer device
    B. Zheng, A.F. Croxall, J. Waldie, K. Das Gupta, F. Sfigakis, I. Farrer, H.E. Beere, D.A. Ritchie, Applied Physics Letters, 108, 062102 (2016)
  • Fabrication and characterisation of Gallium Arsenide ambipolar quantum point contacts
    A. R. Hamilton, J. C. H. Chen , O. Klochan , A.P. Micolich , K. Das Gupta , F. Sfigakis , D. A. Ritchie , K. Trunov , D.Reuter , A. D. Wieck, Applied Physics Letters, 106 (18), 183504 (2015)
  • Demonstration and characterization of an ambipolar high mobility transistor in an undoped GaAs/AlGaAs quantum well
    A. F. Croxall, B. Zheng, F. Sfigakis, K. Das Gupta, I. Farrer, C. A. Nicoll, H. E. Beere, D. A. Ritchie. Applied Physics Letters, 102, 082105 (2013)
  • Linear non-hysteretic gating of a very high density 2DEG in an undoped metal–semiconductor–metal sandwich structure
    K Das Gupta, AF Croxall, WY Mak, HE Beere, CA Nicoll, I Farrer, F Sfigakis, DA Ritchie. Semiconductor Science and Technology, 27(11), 115006 (2012)
  • Distinguishing impurity concentrations in GaAs and AlGaAs using very shallow undoped heterostructures
    W.Y. Mak, K. Das Gupta, H.E. Beere, I. Farrer, F. Sfigakis, D.A. Ritchie. Applied Physics Letters, 97 (24), 242107 (2010)
  • Zero-bias anomaly in quantum wires
    S Sarkozy, F Sfigakis, K. Das Gupta, I Farrer, D.A. Ritchie, G.A.C. Jones, M. Pepper. Physical Review B, 79 (16), 161307 (2009)
  • Patterned backgating using single-sided mask aligners: Application to density-matched electron-hole bilayers
    A.F. Croxall, K. Das Gupta, C.A. Nicoll, M. Thangaraj, I. Farrer, D.A. Ritchie, M. Pepper. Journal of Applied Physics, 104 (11), 113715 (2008)
  • Critical currents and vortex-unbinding transitions in quench-condensed ultrathin films of bismuth and tin
    K. Das Gupta, S.S. Soman, G. Sambandamurthy, N. Chandrasekhar. Physical Review B, 66 (14), 144512 (2002)
  • A study of the spatial variation of electric field in highly resistive metal films by scanning tunneling potentiometry
    G. Ramaswamy, A.K. Raychaudhuri, K.D. Gupta, G. Sambandamurthy. Applied Physics A, 66, S435-439 (1998)
Research Category: