47 citations · 180 across the 15 of their papers we have counts for
15 papers
Negative Differential Resistance and Ultra-High TMR in Altermagnetic Tunnel Junctions
Sajjan Sheoran, Luke Keenan, Declan Nell +1
Altermagnets can replace ferromagnets in tunnel junctions, yielding large tunneling magnetoresistance, ultrafast switching, and low-power functionality. While most studies explore…
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…
Probing switchable valley-related Hall effects in 2D magnetic MXenes
Ankita Phutela, Sajjan Sheoran, Saswata Bhattacharya
The search for two-dimensional materials with exotic valley-dependent properties has attracted rapid attention as they are fundamentally intriguing and practically appealing for na…
Nonrelativistic spin splittings and altermagnetism in twisted bilayers of centrosymmetric antiferromagnets
Sajjan Sheoran, Saswata Bhattacharya
Magnetism-driven nonrelativistic spin splittings (NRSS) are promising for highly efficient spintronics applications. Although 2D centrosymmetric (in four-dimensional spacetime) ant…
Accelerated Neural Network Training through Dimensionality Reduction for High-Throughput Screening of Topological Materials
Ruman Moulik, Ankita Phutela, Sajjan Sheoran +1
Machine Learning facilitates building a large variety of models, starting from elementary linear regression models to very complex neural networks. Neural networks are currently li…
Multiple Zeeman-type Hidden Spin Splitting in -Symmetric Layered Antiferromagnets
Sajjan Sheoran, Saswata Bhattacharya
Centrosymmetric antiferromagnetic semiconductors, although abundant in nature, appear less favorable in spintronics owing to the lack of inherent spin polarization and magnetizatio…
Probing the uniaxial strain-dependent valley drift and Berry curvature in monolayer MoSiN
Sajjan Sheoran, Saswata Bhattacharya
We use ab initio calculations and theoretical analysis to investigate the influence of in-plane strain field on valley drifts and Berry curvatures in the monolayer MoSiN, a…
Manipulation of valley and spin properties in two-dimensional Janus WSiGeZ (Z=N,P, As) through symmetry control
Sajjan Sheoran, Ankita Phutela, Ruman Moullik +1
A class of septuple-atomic-layer two-dimensional (2D) materials, MAZ, is sought as an alternative to 2D hexagonal transition metal dichalcogenides in the field of valleytro…
Rashba and Dresselhaus effects in doped methylammonium lead halide perovskite MAPbI
Megha Arya, Preeti Bhumla, Sajjan Sheoran +2
Inorganic-organic lead halide perovskites, particularly methylammonium lead halide (MAPbI) perovskite, is perceived to be a promising material for optoelectronics and spintroni…
Vacancy-Ordered Double Perovskites CsBI (B = Pt, Pd, Te, Sn): An Emerging Class of Thermoelectric Materials
Preeti Bhumla, Manjari Jain, Sajjan Sheoran +1
Vacancy-ordered double perovskites (ABX), being one of the environmentally friendly and stable alternatives to lead halide perovskites, have garnered considerable research…
Coupled spin-valley, Rashba effect and hidden persistent spin polarization in WSiN family
Sajjan Sheoran, Deepika Gill, Ankita Phutela +1
The new two-dimensional materials, MoSiN and WSiN are experimentally synthesized successfully and various similar structures are predicted theoretically. Here, we r…
Full-plane persistent spin textures with cubic order intrinsic and anisotropic band splitting in bulk Lead-free materials
Sajjan Sheoran, Preeti Bhumla, Saswata Bhattacharya
Spin-orbit coupling (SOC) effects occurring in noncentrosymmetric materials are known to be responsible for nontrivial spin configurations and a number of emergent physical phenome…
Origin of Rashba spin-splitting and strain tunability in ferroelectric bulk CsPbF
Preeti Bhumla, Deepika Gill, Sajjan Sheoran +1
Spin-orbit coupling (SOC) in conjunction with broken inversion symmetry acts as a key ingredient for several intriguing quantum phenomena viz. persistent spin textures, topological…
Rashba dominated spin-splitting in the bulk ferroelectric oxide perovskite KIO3
Sajjan Sheoran, Manish Kumar, Preeti Bhumla +1
The momentum-dependent Rashba and Dresselhaus spin-splitting has gained much attention for its highly promising applications in spintronics. In the present work, ab initio density…