111 citations · 514 across the 21 of their papers we have counts for
16 papers · 1 filter
Tuning spin currents in collinear antiferromagnets and altermagnets
Sajjan Sheoran, Pratibha Dev
Spin current generation through non-relativistic spin splittings, found in uncompensated magnets and d-wave altermagnets, is desirable for low-power spintronics. Such spin currents…
Spontaneous Anomalous Hall Effect in Two-Dimensional Altermagnets
Sajjan Sheoran, Pratibha Dev
The anomalous Hall effect (AHE) is an efficient tool for detecting the Néel vector in collinear compensated magnets with spin-split bands, known as altermagnets (AMs). Here, we est…
Robust Aluminum Nitride Passivation of Silicon Carbide with Near-Surface Quantum Emitters for Quantum Computing and Sensing Applications
Cyrille Armel Sayou Ngomsi, Sai Krishna Narayanan, Pratibha Dev
Silicon carbide (SiC) hosts a number of point defects that are being explored as single-photon emitters for quantum applications. Unfortunately, these quantum emitters lose their p…
Optimum surface-passivation schemes for near-surface spin defects in silicon carbide
Cyrille Armel Sayou Ngomsi, Tamanna Joshi, Pratibha Dev
Spin-active defects in silicon carbide (SiC) are promising quantum light sources for realizing scalable quantum technologies. In different applications, these photoluminescent defe…
Magnetotransport in graphene/Pb0.24Sn0.76Te heterostructures: finding a way to avoid catastrophe
Gregory M. Stephen, Ivan Naumov, Nicholas A. Blumenschein +9
While heterostructures are ubiquitous tools enabling new physics and device functionalities, the palette of available materials has never been richer. Combinations of two emerging…
Non-linear hybrid surface-defect states in defective BiSe
Sharmila N. Shirodkar, Pratibha Dev
Surface-states of topological insulators are assumed to be robust against non-magnetic defects in the crystal. However, recent theoretical models and experiments indicate that even…
Site-dependent properties of quantum emitters in nanostructured silicon carbide
Tamanna Joshi, Pratibha Dev
Deep defects in silicon carbide (SiC) possess atom-like electronic, spin and optical properties, making them ideal for quantum-computing and -sensing applications. In these applica…
Doping-limitations of cubic boron nitride: effects of unintentional defects on shallow doping
Tamanna Joshi, Pankaj Kumar, Bipul Poudyal +3
Cubic boron nitride (cBN) is an ultra-wide bandgap, super-hard material with potential for extreme-temperature and -pressure applications. A proof-of-principle p-n junction using c…
Predicting phase preferences of two-dimensional transition metal dichalcogenides using machine learning
Pankaj Kumar, Vinit Sharma, Sharmila Shirodkar +1
Two-dimensional transition metal dichalcogenides (TMDs) can adopt one of several possible structures, with the most common being the trigonal prismatic and octahedral symmetry phas…
Defect-induced -magnetism in layered platinum diselenide
Priyanka Manchanda, Pankaj Kumar, Pratibha Dev
Platinum diselenide (PtSe) is a recently-discovered extrinsic magnet, with its magnetism attributed to the presence of Pt-vacancies. The host material to these defects itself…
A new class of intrinsic magnet: two-dimensional yttrium sulphur selenide
Pankaj Kumar, Ivan I. Naumov, Priyanka Manchanda +1
Exploring and controlling magnetism in two-dimensional (2D) layered magnetic crystals, as well as their inclusion in heterogeneous assemblies, provide an unprecedented opportunity…
Thickness-dependence of hydrogen-induced phase transition in MoTe
Priyanka Manchanda, Pankaj Kumar, Pratibha Dev
Two-dimensional transition metal dichalcogenides (TMDs) usually exist in two or more structural phases with different physical properties, and can be repeatedly switched between th…
Quantum materials interfaces: graphene/Bismuth (111) heterostructures
Ivan I. Naumov, Pratibha Dev
Heterostructures involving graphene and bismuth, with their ability to absorb light over a very wide energy range, are of interest for engineering next-generation opto-electronics.…
Fingerprinting quantum emitters in hexagonal boron nitride using strain
Pratibha Dev
Two dimensional van der Waals crystals and their heterostructures provide an exciting alternative to bulk wide bandgap semiconductors as hosts of single photon emitters. Amongst di…
Controlling the Infrared Dielectric Function through Atomic-Scale Heterostructures
Daniel C. Ratchford, Christopher J. Winta, Ioannis Chatzakis +20
Surface phonon polaritons (SPhPs) - the surface-bound electromagnetic modes of a polar material resulting from the coupling of light with optic phonons - offer immense technologica…
Prediction Of A Multi-Center Bonded Solid Boron Hydride for Hydrogen Storage
T. A. Abtew, Bi-ching Shih, Pratibha Dev +2
An ideal material for on-board hydrogen storage must release hydrogen at practical temperature and pressure and also regenerate efficiently under similarly gentle conditions. There…