Publications (11)
Proximity induced Colossal Conductivity Modulation in Phosphorene
A. Chaudhury, S. Majumder, S. J. Ray
Phosphorene is a promising single elemental two-dimensional layered semiconductor with huge potential for future nanoelectronics and spintronics applications. In this work, we inve…
Single atom impurity in a Single Molecular Transistor
S. J. Ray
The influence of an impurity atom on the electrostatic behaviour of a Single Molecular Transistor (SMT) was investigated through Ab-initio calculations in a double-gated geometry.…
Design and cryogenic operation of a hybrid quantum-CMOS circuit
P. Clapera, X. Jehl, A. Corna +4
Silicon-On-Insulator nanowire transistors of very small dimensions exhibit quantum effects like Coulomb blockade or single-dopant transport at low temperature. The same process als…
Quantum Materials Group Annual Report 2022
P. Kumari, S. Rani, S. Kar +4
The Quantum Materials group at Indian Institute of Technology Patna is working on a range of topics relating to nanoelectronics, spintronics, clean energy and memory design etc. Th…
Detection of Gas Molecule using CN island Single Electron Transistor
S. Rani, S. J. Ray
CN is a recently discovered 2D layered material structurally similar to graphene, which has demonstrated immense prospect for future nanoelectronics. In this work, we have desi…
Superconductivity and Dirac Fermions in 112-phase Pnictides
S. J. Ray, L. Alff
This article reviews the status of current research on the 112-phase of pnictides. The 112-phase has gained augmented attention due to the recent discovery of high-temperature supe…
Unconventional Strain-Dependent Conductance Oscillations in Pristine Phosphorene
S. J. Ray, M. Venkata Kamalakar
Phosphorene is a single elemental two-dimensional semiconductor that has quickly emerged as a high mobility material for transistors and optoelectronic devices. In addition, being…
Muon-spin rotation measurements of the vortex state in SrRuO: type-1.5 superconductivity, vortex clustering and a crossover from a triangular to a square vortex lattice
S. J. Ray, A. S. Gibbs, S. J. Bending +5
Muon-spin rotation has been used to probe vortex state in SrRuO. At moderate fields and temperatures a lattice of triangular symmetry is observed, crossing over to a lattic…
Coherency of the superconducting state: the muon spin rotation and ARPES studies of (BiPb)_2(SrLa)_2CuO_{6+δ}
R. Khasanov, Takeshi Kondo, M. Bendele +5
The superfluid density Ï_s in underdoped (T_c\simeq23K), optimally doped (T_c\simeq35K) and overdoped (T_c\simeq29K) single crystalline (BiPb)_2(SrLa)_2CuO_{6+δ} samples was stud…
Single Molecule Transistor based Nanopore for the detection of Nicotine
S. J. Ray
A nanopore based detection methodology was proposed and investigated for the detection of Nicotine. This technique uses a Single Molecular Transistor (SMT) working as a nanopore op…
Double Gated Single Molecular Transistor for Charge Detection
S. J. Ray, R. Chowdhury
The electrostatic behaviour of an 1,3-Cyclobutadiene (CH) based Single Molecular Transistor (SMT) has been investigated using the first principle calculation based on D…