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

 

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
PH108
Introduction to Electricity and Magnetism (Jan 2016)
Lecture Notes

 

 

 

 

Selected Publications: 
  • 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, KD Gupta, I Farrer, DA Ritchie, GAC Jones, M. Pepper Physical Review B, 79 (16), 161307 (2009)
  • Zero-bias anomaly in quantum wires
    S Sarkozy, F Sfigakis, KD Gupta, I Farrer, DA Ritchie, GAC 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: