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Published in 2021 at "Advanced materials"
DOI: 10.1002/adma.202104863
Abstract: Monolayer transition metal dichalcogenides (TMDs) have intrinsic valley degrees of freedom, making them appealing for exploiting valleytronic applications in information storage and processing. WS2 monolayer possesses two inequivalent valleys in the Brillouin zone, each valley…
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Keywords:
monolayer;
valley polarized;
monolayer ws2;
valley ... See more keywords
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Published in 2020 at "Superlattices and Microstructures"
DOI: 10.1016/j.spmi.2020.106647
Abstract: Abstract Valley polarized transport was studied in graphene cross junctions consisting of a bilayer graphene device region connected to 4 monolayer graphene leads. Electrons injected from the armchair leads to the zigzag leads can be…
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Keywords:
cross junctions;
valley polarized;
graphene;
valley polarization ... See more keywords
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Published in 2021 at "Journal of Applied Physics"
DOI: 10.1063/5.0035909
Abstract: We investigate the influence of spin-valley polarized transport channel (SVPTC) mismatch modulated by the perpendicular electric field and the exchange field in a silicene-based ferromagnet/ferromagnet/superconductor junction and the barrier strength in a ferromagnet/insulator/ferromagnet/superconductor junction. In…
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Keywords:
spin valley;
transport channel;
field;
valley polarized ... See more keywords
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Published in 2022 at "Chinese Physics B"
DOI: 10.1088/1674-1056/ac70c4
Abstract: Electrons in graphene have fourfold spin and valley degeneracies owing to the unique bipartite honeycomb lattice and an extremely weak spin-orbit coupling, which can support a series of broken symmetry states. Atomic-scale defects in graphene…
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Keywords:
valley polarized;
spin;
spin valley;
polarized states ... See more keywords
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Published in 2020 at "Physical Review B"
DOI: 10.1103/physrevb.102.085103
Abstract: Recent experiments have observed possible spin- and valley-polarized insulators and spin-triplet superconductivity in twisted double bilayer graphene, a moire structure consisting of a pair of Bernal-stacked bilayer graphene. Besides the continuously tunable band widths controlled…
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Keywords:
valley polarized;
twisted double;
bilayer graphene;
valley ... See more keywords
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Published in 2023 at "Nanomaterials"
DOI: 10.3390/nano13071207
Abstract: We report on the experimental investigation of the ultrafast dynamics of valley-polarized excitons in monolayer WSe2 using transient reflection spectroscopy with few-cycle laser pulses with 7 fs duration. We observe that at room temperature, the…
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Keywords:
polarized excitons;
ultrafast dynamics;
valley polarized;
dynamics valley ... See more keywords