66 citations · 714 across the 51 of their papers we have counts for
24 papers · 1 filter
Nonrelativistic and Relativistic Contributions to Spin-Momentum Locking and Spin Photogalvanic Effect in an Altermagnetic Multiferroic
Giuseppe Cuono, Subhadeep Bandyopadhyay, Amar Fakhredine +6
Altermagnetic multiferroics provide a platform where non-relativistic spin-momentum locking (SML) coexists with relativistic spin textures, yet disentangling their different origin…
Contemporary Insights into Electronic Structure and Microscopic Transport in Nodal-Line Semimetals
Ashutosh S. Wadge, Pardeep K. Tanwar, Giuseppe Cuono +1
Topological semimetals have emerged as an important class of quantum materials with novel electronic responses and unconventional transport phenomena. Among them, nodal-line semime…
Charge and spin photogalvanic effects in the p-wave magnet NiI2
Giuseppe Cuono, Srdjan Stavric, Javier Sivianes Castano +4
NiI2 is an exotic van der Waals material in which a noncollinear spin spiral breaks spatial inversion symmetry without sizeable structural distortion, generating improper ferroelec…
Interplay between Relativistic Spin-Momentum Locking and Breaking of Inversion Symmetry: conditions for p-wave magnetism
Amar Fakhredine, Giuseppe Cuono, Jan Skolimowski +2
We investigate the interplay between relativistic spin-momentum locking arising from altermagnetism and various forms of inversion symmetry breaking. Depending on the symmetry brea…
Staggered Dzyaloshinskii-Moriya and canting angle in centrosymmetric altermagnetic and ferromagnetic phases: influence on the anomalous Hall effect and Weyl points
Mathews Benny, Xujia Gong, Kamil Jamroszczyk +5
We present a simple methodology to compute the anomalous Hall conductivity (AHC) as a function of the canting angles in ferromagnets and altermagnets, starting from a nonmagnetic H…
Bulk photovoltaic effect in MoSe and Janus MoSSe sliding ferroelectrics
Roumita Roy, Giuseppe Cuono, Silvia Picozzi
We present a first-principles study of the nonlinear optical properties of sliding ferroelectric bilayers based on MoSe and Janus MoSSe. Two Janus configurations are considered…
AMaRaNTA: Automated First-Principles Exchange Parameters In 2D Magnets
Federico Orlando, Andrea Droghetti, Lorenzo Varrassi +7
Two-dimensional (2D) magnets host a wide range of exotic magnetic textures, whose low-energy excitations and finite-temperature properties are typically described by effective spin…
Nature of field-induced transitions and hysteretic magnetoresistance in non-collinear antiferromagnet EuIn2As2
Karan Singh, Jan Skolimowski, Giuseppe Cuono +8
We examine the magnetic and electrical transport properties of the hexagonal EuIn2As2 compound, combining experimental and theoretical results. This compound is predicted to be an…
Giant non-reciprocal band structure effect in a multiferroic material
Srdjan Stavrić, Giuseppe Cuono, Baishun Yang +5
Multiferroic materials, characterized by the coexistence of ferroelectricity and ferromagnetism, may unveil band structures suggestive of complex phenomena and new functionalities.…
Bulk photovoltaic effect in ferroelectric and antiferroelectric phases of antimony sulphoiodide investigated by means of ab-initio simulations
Giuseppe Cuono, Subhadeep Bandyopadhyay, Andrea Droghetti +1
We employ first-principles calculations to investigate the ferroelectric properties and the bulk photovoltaic effect (BPVE) of antimony sulfur iodide (SbSI). The BPVE enables direc…
Pentagonal nanowires from topological crystalline insulators: a platform for intrinsic core-shell nanowires and higher-order topology
Ghulam Hussain, Giuseppe Cuono, Piotr Dziawa +12
We report on the experimental realization of Pb1-xSnxTe pentagonal nanowires (NWs) with [110] orientation using molecular beam epitaxy techniques. Using first-principles calculatio…
CdTe and HgTe doped with V, Cr, and Mn -- prospects for the quantum anomalous Hall effect
Giuseppe Cuono, Carmine Autieri, Tomasz Dietl
Using first principle calculations we examine properties of (Cd,V)Te, (Cd,Cr)Te, (Hg,V)Te, and (Hg,Cr)Te relevant to the quantum anomalous Hall effect (QAHE), such as the position…
Staggered Dzyaloshinskii-Moriya inducing weak ferromagnetism in centrosymmetric altermagnets and weak ferrimagnetism in noncentrosymmetric altermagnets
Carmine Autieri, Raghottam M Sattigeri, Giuseppe Cuono +1
The Dzyaloshinskii-Moriya interaction (DMI) has explained successfully the weak ferromagnetism in {\it some} centrosymmetric antiferromagnets. However, in the last years, it was ge…
Interplay between altermagnetism and nonsymmorphic symmetries generating large anomalous Hall conductivity by semi-Dirac points induced anticrossings
Amar Fakhredine, Raghottam M. Sattigeri, Giuseppe Cuono +1
We investigate the interplay between altermagnetic spin-splitting and nonsymmorphic symmetries using the space group no. 62 as a testbed. Studying different magnetic orders by mean…
Altermagnetic surface states: towards the observation and utilization of altermagnetism in thin films, interfaces and topological materials
Raghottam M Sattigeri, Giuseppe Cuono, Carmine Autieri
The altermagnetism influences the electronic states allowing the presence of non-relativistic spinsplittings. Since altermagnetic spin-splitting is present along specific k-paths o…
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)…
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…
Topological phase diagram of Pb1-xSnxSe1-yTey
Giuseppe Cuono, Ghulam Hussain, Amar Fakhredine +1
We reproduce the mirror Chern number phase diagram for the quaternary compound Pb1-xSnxSe1-yTey combining accurate density functional theory and tight-biding model. The tight bindi…
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…
Emergence of Rashba splitting and spin-valley properties in Janus MoGeSiP2As2 and WGeSiP2As2 monolayers
Ghulam Hussaina, Abdus Samad, Majeed Ur Rehmanc +2
First-principles calculations are performed to study the structural stability and spintronics properties of Janus MoGeSiP2As2 and WGeSiP2As2 monolayers. The high cohesive energies…
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…
Limited ferromagnetic interactions in monolayers of MPS (M=Mn, Ni)
Carmine Autieri, Giuseppe Cuono, Canio Noce +5
We present a systematic study of the electronic and magnetic properties of two-dimensional ordered alloys, consisting of two representative hosts (MnPS and NiPS) of transit…
Momentum-resolved spin splitting in Mn-doped trivial CdTe and topological HgTe semiconductors
Carmine Autieri, Cezary Śliwa, Rajibul Islam +2
Exchange coupling between localized spins and band or topological states accounts for giant magnetotransport and magnetooptical effects as well as determines spin-spin interactions…