activity
20142023
most citedLinear magnetoresistance and surface to bulk coupling in topological insulator thin films

34 citations · 100 across the 11 of their papers we have counts for

collaborators

11 papers

cond-mat.mes-hall2023★ 16 cited

Nano-Patterned Magnetic Edges in CrGeTe3 for Quasi 1-D Spintronic Devices

Avia Noah, Yishay Zur, Nofar Fridman +11

The synthesis of two-dimensional van der Waals magnets has paved the way for both technological applications and fundamental research on magnetism confined to ultra-small length sc…

cond-mat.mes-hall2022★ 28 cited

Interior and edge magnetization in thin exfoliated CrGeTe3 films

Avia Noah, Hen Alpern, Sourabh Singh +12

CrGeTe3 (CGT) is a semiconducting vdW ferromagnet shown to possess magnetism down to a two-layer thick sample. Although CGT is one of the leading candidates for spintronics devices…

cond-mat.mtrl-sci2019

Pulsed laser deposition of highly c-axis oriented thin films of BSTS topological insulator

Atul Pandey, Sourabh Singh, Bishnupada Ghosh +3

We report the growth of highly c-axis oriented topological insulator (TI) BiSbTe1.5Se1.5 (BSTS) thin films by pulsed laser deposition (PLD) technique. The various growth parameters…

quant-ph2018★ 6 cited

Quantum Light on Demand

Mithilesh K. Parit, Shaik Ahmed, Sourabh Singh +2

We demonstrate that light quanta of well defined characteristics can be generated in a coupled two-level system of three atoms. The quantum nature of light is controlled by the ent…

cond-mat.str-el2017★ 34 cited

Linear magnetoresistance and surface to bulk coupling in topological insulator thin films

Sourabh Singh, R. K. Gopal, Jit Sarkar +3

We explore the temperature dependent magnetoresistance of bulk insulating topological insulator thin films. Thin films of Bi2Se2Te and BiSbTeSe1.6 were grown using Pulsed Laser Dep…

cond-mat.str-el2016

Bulk Saturable absorption in Topological Insulator thin Films

Radha Krishna Gopal, Deepak K. S. Ambast, Sourabh Singh +3

We present nonlinear optical absorption properties of pulsed laser deposited thin films of topological insulator (TI), Bi2Se3 on quartz substrate, using open aperture Z - scan tech…

cond-mat.str-el2016

Parallel and series conduction model in Topological Insulators

Sourabh Singh, R K Gopal, Jit Sarkar +1

In the past few years there has been a surge in the material science engineering in order to synthesize bulk insulating and surface metallic Topological Insulating (TI) materials.…

cond-mat.mes-hall2016

Tuning Chemical Potential in the Dirac Cone by Compositional Engineering

R. K. Gopal, Sourabh Singh, Jit Sarkar +1

We report the successful formation of bulk insulating ternary topological insulators candidate Bi2Se2Te (BST) by pulsed laser deposition technique. The films were deposited with se…

cond-mat.str-el2015★ 2 cited

Topological delocalization and tuning of surface channel separation in Bi2Se2Te Topological Insulator Thin films

R. K. Gopal, Sourabh Singh, Arpita Mandal +2

The surface states of a 3D topological insulator (TI) exhibit topological protection against backscattering. However, the contribution of bulk electrons to the transport data is an…

cond-mat.mes-hall2015★ 14 cited

Surface Optical and Bulk Acoustic Phonons in the Topological Insulator, Bi2Se2Te

Uditendu Mukhopadhyay, Dipanjan Chaudhuri, Jit Sarkar +5

We explore the phonon dynamics of thin films of the topological insulator material Bi2Se2Te using ultrafast pump-probe spectroscopy. The time resolved differential reflectivity of…

cond-mat.mes-hall2014

Weak-antilocalization and Surface Dominated Transport in Topological Insulator Bi2Se2Te

Radha Krishna Gopal, Sourabh Singh, Ramesh Chandra +1

We explore the phase coherence of thin films of the topological insulator material Bi2Se2Te grown through pulsed laser deposition (PLD) technique. The films were characterised usin…