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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Ali, M. A. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Martinez, Jose L.
Instituto de Ciencia de Materiales de Madrid
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (6/6 displayed)
- 2023Enhanced Ferromagnetism in Monolayer Cr2Te3 via Topological Insulator Coupling
- 2023Structural stability, optical and thermoelectric properties of the layered RbSn2Br5 halide synthesized using mechanochemistrycitations
- 2022SnSe:Kx intermetallic thermoelectric polycrystals prepared by arc-meltingcitations
- 2021Structural evolution, optical gap and thermoelectric properties of CH3NH3SnBr3 hybrid perovskite, prepared by mechanochemistrycitations
- 2020Correlation between Crystal Structure and Thermoelectric Properties of Sr1−xTi0.9Nb0.1O3−δ Ceramicscitations
- 2019Features of the High-Temperature Structural Evolution of GeTe Thermoelectric Probed by Neutron and Synchrotron Powder Diffractioncitations
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article
Enhanced Ferromagnetism in Monolayer Cr2Te3 via Topological Insulator Coupling
Abstract
Exchange-coupled interfaces are pivotal in exploiting two-dimensional (2D) ferromagnetism. Due to the extraordinary correlations among charge, spin, orbital and lattice degrees of freedom, layered magnetic transition metal chalcogenides (TMCs) bode well for exotic topological phenomena. Here we report the realization of wafer-scale Cr2Te3 down to monolayer (ML) on insulating SrTiO3(111) substrates using molecular beam epitaxy. Robust ferromagnetism emerges in 2D Cr2Te3 ML with a Curie temperature TC = 17 K. Moreover, when Cr2Te3 is proximitized with topological insulator (TI) (Bi,Sb)2Te3, the magnetism becomes stronger -- for 1 ML, TC increases to 30 K, while for 2 ML it boosts from 65 K to 82 K. Our experiments and theory strongly indicate that the Bloembergen-Rowland interaction is likely a universal aspect of TC enhancement in TI-coupled magnetic heterostructures. The topological-surface-enhanced magnetism in 2D TMC enables further exchange coupling physics and quantum hybrid studies, including paving the way to realize interface-modulated topological electronics.