Kantimay Das Gupta
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Anomalous coulomb drag in electron-hole bilayers
AF Croxall, K Das Gupta, CA Nicoll, M Thangaraj, HE Beere, I Farrer, ...
Physical review letters 101 (24), 246801, 2008
Zero-bias anomaly in quantum wires
S Sarkozy, F Sfigakis, K Das Gupta, I Farrer, DA Ritchie, GAC Jones, ...
Physical Review B—Condensed Matter and Materials Physics 79 (16), 161307, 2009
Fabrication and characterization of ambipolar devices on an undoped AlGaAs/GaAs heterostructure
JCH Chen, DQ Wang, O Klochan, AP Micolich, K Das Gupta, F Sfigakis, ...
Applied Physics Letters 100 (5), 2012
Distinguishing impurity concentrations in GaAs and AlGaAs using very shallow undoped heterostructures
WY Mak, K Das Gupta, HE Beere, I Farrer, F Sfigakis, DA Ritchie
Applied Physics Letters 97 (24), 2010
Influence of surface states on quantum and transport lifetimes in high-quality undoped heterostructures
DQ Wang, JCH Chen, O Klochan, K Das Gupta, D Reuter, AD Wieck, ...
Physical Review B—Condensed Matter and Materials Physics 87 (19), 195313, 2013
Experimental Progress towards Probing the Ground State of an Electron‐Hole Bilayer by Low‐Temperature Transport
K Das Gupta, AF Croxall, J Waldie, CA Nicoll, HE Beere, I Farrer, ...
Advances in Condensed Matter Physics 2011 (1), 727958, 2011
Fabrication of closely spaced, independently contacted electron-hole bilayers in GaAs-AlGaAs heterostructures
JA Keogh, K Das Gupta, HE Beere, DA Ritchie, M Pepper
Applied Physics Letters 87 (20), 202104, 2005
Demonstration and characterization of an ambipolar high mobility transistor in an undoped GaAs/AlGaAs quantum well
AF Croxall, B Zheng, F Sfigakis, KD Gupta, I Farrer, CA Nicoll, HE Beere, ...
Applied Physics Letters 102, 082105, 2013
Low temperature transport in undoped mesoscopic structures
S Sarkozy, K Das Gupta, C Siegert, A Ghosh, M Pepper, I Farrer, ...
Applied Physics Letters 94 (17), 2009
Ultra-shallow quantum dots in an undoped GaAs/AlGaAs two-dimensional electron gas
WY Mak, F Sfigakis, KD Gupta, O Klochan, HE Beere, I Farrer, JP Griffiths, ...
Applied Physics Letters 102 (10), 103507, 2013
Possible effect of collective modes in zero magnetic field transport in an electron-hole bilayer
AF Croxall, K Das Gupta, CA Nicoll, HE Beere, I Farrer, DA Ritchie, ...
Physical Review B—Condensed Matter and Materials Physics 80 (12), 125323, 2009
Effect of granularity on the insulator-superconductor transition in ultrathin Bi films
G Sambandamurthy, KD Gupta, N Chandrasekhar
Physical Review B 64 (1), 014506, 2001
Epi-Gd2O3/AlGaN/GaN MOS HEMT on 150 mm Si wafer: A fully epitaxial system for high power application
R Sarkar, S Bhunia, D Nag, BC Barik, K Das Gupta, D Saha, S Ganguly, ...
Applied Physics Letters 115 (6), 2019
Experimental evidence of a very thin superconducting layer in epitaxial indium nitride
B Pal, BP Joshi, H Chakraborti, AK Jain, BK Barick, K Ghosh, S Bhunia, ...
Superconductor Science and Technology 32 (1), 015009, 2018
Selective breakdown of quantum Hall edge states and non-monotonic Coulomb drag in a GaAs–AlGaAs electron–hole bilayer
KD Gupta, M Thangaraj, AF Croxall, HE Beere, CA Nicoll, DA Ritchie, ...
Physica E: Low-dimensional Systems and Nanostructures 40 (5), 1693-1696, 2008
Critical currents and vortex-unbinding transitions in quench-condensed ultrathin films of bismuth and tin
KD Gupta, SS 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, AK Raychaudhuri, KD Gupta, G Sambandamurthy
Applied Physics A 66, S435-439, 1998
N-type ohmic contacts to undoped GaAs/AlGaAs quantum wells using only front-sided processing: application to ambipolar FETs
D Taneja, F Sfigakis, AF Croxall, KD Gupta, V Narayan, J Waldie, I Farrer, ...
Semiconductor Science and Technology 31 (6), 065013, 2016
Benefits of using undoped GaAs/AlGaAs heterostructures: A case study of the zero-bias bias anomaly in quantum wires
F Sfigakis, KD Gupta, S Sarkozy, I Farrer, DA Ritchie, M Pepper, ...
Physica E: Low-dimensional Systems and Nanostructures 42 (4), 1200-1204, 2010
Overcoming contact hurdles for investigating lower dimensional structures in undoped heterostructures
SJ Sarkozy, KD Gupta, F Sfigakis, H Beere, I Farrer, R Harrell, D Ritchie, ...
ECS Transactions 11 (5), 75, 2007
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