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Correlation-driven topological transition in Janus VSiGeP2As2
Ghulam Hussain, Amar Fakhredine, Rajibul Islam +3
The appearance of intrinsic ferromagnetism in 2D materials opens the possibility of investigating the interplay between magnetism and topology. The magnetic anisotropy energy (MAE)…
Interfacial Dzyaloshinskii-Moriya interaction in epitaxial W/Co/Pt multilayers
Sukanta Kumar Jena, Rajibul Islam, Ewelina Milińska +8
Dzyaloshinskii-Moriya interaction (DMI) manifesting in asymmetric layered ferromagnetic films gives rise to non-colinear spin structures stabilizing magnetization configurations wi…
Topological transition in Pb1-xSnxSe using Meta-GGA
Rajibul Islam, Giuseppe Cuono, Nguyen M. Nguyen +2
We calculate the mirror Chern number (MCN) and the band gap for the alloy Pb1-xSnxSe as a function of the concentration x by using virtual crystalline approximation. We use the ele…
Engineering axion insulator phase in superlattices with inversion symmetry breaking
Rajibul Islam, Sougata Mardanya, Alexander Lau +6
We study theoretically the interplay between magnetism and topology in three-dimensional HgTe/MnTe superlattices stacked along the (001) axis. Our results show the evolution of the…
Electronic and optical properties of InAs/InAsSb superlattices and their application to far-infrared detectors
Ghulam Hussain, Giuseppe Cuono, Rajibul Islam +4
We calculate the electronic and optical properties of InAs/InAsSb superlattices within relativistic density functional theory. To have a good description of the…
Topological states in superlattices of HgTe-class materials for engineering three-dimensional flat bands
Rajibul Islam, Barun Ghosh, Giuseppe Cuono +7
In search of materials with three-dimensional flat band dispersions, using {\em ab-initio} computations, we investigate how topological phases evolve as a function of hydrostatic p…