Hauptseite > Publikationsdatenbank > Promoting p -based Hall effects by p − d − f hybridization in Gd-based dichalcogenides > print

001     1021989
005     20250204113758.0
024 7 _ |a 10.1103/PhysRevResearch.6.013095
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100 1 _ |a Zeer, Mahmoud
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245 _ _ |a Promoting p -based Hall effects by p − d − f hybridization in Gd-based dichalcogenides
260 _ _ |a College Park, MD
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500 _ _ |a Supported by Palestinian-German Science Bridge (BMBF Grant No. 01DH16027), Deutsche Forschungsgemeinschaft (DFG, Ger-man Research Foundation) - TRR 288 - 422213477 (Project No. B06), CRC 1238 - 277146847 (Project No. C01), and the Sino-German research project DISTOMAT (Grant No. MO 1731/10-1).
520 _ _ |a We conduct a first-principles study of Hall effects in rare-earth dichalcogenides, focusing on monolayers of the H-phase EuX2 and GdX2 , where X = S, Se, and Te. Our predictions reveal that all EuX2 and GdX2 systems exhibit high magnetic moments and wide band gaps. We observe that while in the case of EuX2 the p and f states hybridize directly below the Fermi energy, the absence of f and d states of Gd at the Fermi energy results in the p-like spin-polarized electronic structure of GdX2 , which mediates p-based magnetotransport. Notably, these systems display significant anomalous, spin, and orbital Hall conductivities. We find that in GdX2 , the strength of correlations controls the relative position of the p, d, and f states and their hybridization, which has a crucial impact on p-state polarization and the anomalous Hall effect, but not the spin and orbital Hall effects. Moreover, we find that the application of strain can significantly modify the electronic structure of the monolayers, resulting in quantized charge, spin, and orbital transport in GdTe 2 via a strain-mediated orbital inversion mechanism taking place at the Fermi energy. Our findings suggest that rare-earth dichalcogenides hold promise as a platform for topological spintronics and orbitronics.
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536 _ _ |a DFG project 444844585 - Statische und dynamische Kopplung von Gitter- und elektronischen Freiheitsgraden in magnetisch geordneten Übergangsmetalldichalkogenieden (B06) (444844585)
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536 _ _ |a SFB 1238 C01 - Strukturinversionsasymmetrische Materie und Spin-Orbit-Phänomene mittels ab initio (C01) (319898210)
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536 _ _ |a Pilotprojekt zur Entwicklung eines palästinensisch-deutschen Forschungs- und Promotionsprogramms 'Palestinian-German Science Bridge' (01DH16027)
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700 1 _ |a Go, Dongwook
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700 1 _ |a Schmitz, Peter
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700 1 _ |a Saunderson, Tom G.
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700 1 _ |a Wang, Hao
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700 1 _ |a Ghabboun, Jamal
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700 1 _ |a Blügel, Stefan
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700 1 _ |a Wulfhekel, Wulf
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700 1 _ |a Mokrousov, Yuriy
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773 _ _ |a 10.1103/PhysRevResearch.6.013095
|g Vol. 6, no. 1, p. 013095
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910 1 _ |a Institute of Physics, Johannes Gutenberg-University Mainz, 55099 Mainz, Germany
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910 1 _ |a Department of Physics, RWTH Aachen University, 52056 Aachen, Germany
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