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Twistronic control of shift current in multilayer moiré system
Michele Bagaglini, Cesare Tresca, Federico Bisti +1
The bulk photovoltaic effect in non-centrosymmetric materials provides an alternative mechanism for the conversion of light into a current response compared to p-n junctions. Among…
Ligand-mediated Origin of Altermagnetic Spin-Splitting
Luigi Camerano, Federico Bisti, Gianni Profeta
Altermagnets host spin-split electronic bands despite zero net magnetization, opening new routes for spintronics beyond conventional ferromagnets. Going beyond symmetry-based class…
Plasmon Engineering in Intercalated 2H-TaS
Luigi Camerano, Laura Martella, Lorenzo Battaglia +8
Plasmons in low dimensional materials provide a powerful platform for nanoscale control of light matter interactions, yet strategies to tailor their coherence and dissipation remai…
Emergent 3D Fermiology and Magnetism in an Intercalated Van der Waals System
Luigi Camerano, Emanuel A. Martínez, Victor Porée +16
Intercalation of magnetic atoms into van der Waals materials provides a versatile platform for tailoring unconventional magnetic properties. However, its impact on electronic dimen…
Doping the spin-polarized Graphene minicone on Ni(111)
Cesare Tresca, Gianni Profeta, Federico Bisti
In the attempt to induce spin-polarized states in graphene, rare-earth deposition on Gr/Co(0001) has been demonstrated to be a successful strategy: the coupling of graphene with th…
Unidirectional Rashba Spin Splitting in Single Layer WSSe alloy
Jihene Zribi, Debora Pierucci, Federico Bisti +12
Atomically thin two-dimensional (2D) layered semiconductors such as transition metal dichalcogenides (TMDs) have attracted considerable attention due to their tunable band gap, int…
Electron-polaron dichotomy of charge carriers in perovskite oxides
Marius-Adrian Husanu, Lorenzo Vistoli, Carla Verdi +10
Many transition metal oxides (TMOs) are Mott insulators due to strong Coulomb repulsion between electrons, and exhibit metal-insulator transitions (MITs) whose mechanisms are not a…
Electronic phase separation at LaAlO3/SrTiO3 interfaces tunable by oxygen deficiency
V. N. Strocov, A. Chikina, M. Caputo +7
Electronic phase separation is crucial for the fascinating macroscopic properties of the LaAlO3/SrTiO3 (LAO/STO) paradigm oxide interface, including the coexistence of superconduct…
Electronic structure of buried LaNiO3 layers in (111)-oriented LaNiO3/LaMnO3 superlattices probed by soft x-ray ARPES
F. Y. Bruno, M. Gibert, S. McKeown Walker +10
Taking advantage of the large electron escape depth of soft x-ray angle resolved photoemission spectroscopy we report electronic structure measurements of (111)-oriented [LaNiO3/La…
Evidence for a Strong Topological Insulator Phase in
G. Manzoni, L. Gragnaniello, G. Autès +16
The complex electronic properties of have recently stimulated in-depth investigations that assigned this material to either a topological insulator or a 3D Dirac…
Weakly-correlated nature of ferromagnetism in non symmorphic CrO revealed by bulk-sensitive soft X ray ARPES
F. Bisti, V. A. Rogalev, M. Karolak +8
Chromium dioxide CrO belongs to a class of materials called ferromagnetic half-metals, whose peculiar aspect is to act as a metal in one spin orientation and as semiconductor o…
Entanglement and manipulation of the magnetic and spin-orbit order in multiferroic Rashba semiconductors
J. Krempasky, S. Muff, F. Bisti +13
The interplay between electronic eigenstates, spin, and orbital degrees of freedom, combined with fundamental breaking of symmetries is currently one of the most exciting fields of…
Band Structure of EuO/Si Spin Contact: Justification for Silicon Spintronics
Leonid L. Lev, Dmitry V. Averyanov, Andrey M. Tokmachev +4
Silicon spintronics requires injection of spin-polarized carriers into Si. An emerging approach is direct electrical injection from a ferromagnetic semiconductor - EuO being the pr…
Observation of Weyl nodes and Fermi arcs in TaP
N. Xu, H. M. Weng, B. Q. Lv +18
A Weyl semimetal possesses spin-polarized band-crossings, called Weyl nodes, connected by topological surface arcs. The low-energy excitations near the crossing points behave the s…
Surface versus bulk contributions to the giant Rashba splitting in the ferroelectric α-GeTe(111) semiconductor
J. Krempaský, H. Volfová, S. Muff +14
In systems with broken inversion symmetry spin-orbit coupling (SOC) yields a Rashba-type spin splitting of electronic states, manifested in a k-dependent splitting of the bands. Wh…
Observation of Weyl nodes in TaAs
B. Q. Lv, N. Xu, H. M. Weng +14
In 1929, H. Weyl proposed that the massless solution of Dirac equation represents a pair of new type particles, the so-called Weyl fermions [1]. However the existence of them in pa…