Low-energy bands, optical properties, and spin/valley-Hall conductivity of silicene and germanene
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Science"
DOI: 10.1007/s10853-020-05044-0
Abstract: In this work, we study systematically low-energy bands, optical absorbance and spin/valley-Hall conductivity of silicene and germanene in the presence of a perpendicular electric field. Our analytical calculations indicate that both silicene and germanene are… read more here.
Keywords: spin valley; energy; valley hall; silicene germanene ... See more keywords
Spin-valley coupled thermoelectric energy converter with strained honeycomb lattices
Sign Up to like & getrecommendations! Published in 2020 at "Physica E: Low-dimensional Systems and Nanostructures"
DOI: 10.1016/j.physe.2019.113862
Abstract: Abstract A caloritronic device setup is proposed that harnesses the intrinsic spin-valley locking of two-dimensional honeycomb lattices with graphene-like valleys, for instance, silicene and stanene. Combining first-principles and analytic calculations, we quantitatively show that when… read more here.
Keywords: valley; spin valley; valley coupled; honeycomb lattices ... See more keywords
Optical and electric control of charge and spin-valley transport in ferromagnetic silicene junction
Sign Up to like & getrecommendations! Published in 2017 at "Superlattices and Microstructures"
DOI: 10.1016/j.spmi.2017.05.059
Abstract: Abstract We theoretically investigate the charge and spin-valley transport in a normal/ferromagnetic/normal silicene junction, where the ferromagnetic region is exposed to an off-resonant circularly polarized light and perpendicular electric field. We show that one wider… read more here.
Keywords: spin valley; field; transport; spin ... See more keywords
Spin-Conserving Resonant Tunneling in Twist-Controlled WSe2-hBN-WSe2 Heterostructures.
Sign Up to like & getrecommendations! Published in 2018 at "Nano letters"
DOI: 10.1021/acs.nanolett.8b02770
Abstract: We investigate interlayer tunneling in heterostructures consisting of two tungsten diselenide (WSe2) monolayers with controlled rotational alignment, and separated by hexagonal boron nitride. In samples where the two WSe2 monolayers are rotationally aligned we observe… read more here.
Keywords: spin valley; two wse2; wse2; wse2 monolayers ... See more keywords
Determining Interaction Enhanced Valley Susceptibility in Spin-Valley-Locked MoS2.
Sign Up to like & getrecommendations! Published in 2019 at "Nano letters"
DOI: 10.1021/acs.nanolett.8b04731
Abstract: Two-dimensional transition metal dichalcogenides (TMDCs) are recently emerged electronic systems with various novel properties, such as spin-valley locking, circular dichroism, valley Hall effect, and superconductivity. The reduced dimensionality and large effective masses further produce unconventional… read more here.
Keywords: spin valley; interaction enhanced; valley susceptibility; interaction ... See more keywords
Valley-Polarized Interlayer Excitons in 2D Chalcogenide-Halide Perovskite-van der Waals Heterostructures.
Sign Up to like & getrecommendations! Published in 2023 at "ACS nano"
DOI: 10.1021/acsnano.2c12546
Abstract: Interlayer excitons (IXs) in two-dimensional (2D) heterostructures provide an exciting avenue for exploring optoelectronic and valleytronic phenomena. Presently, valleytronic research is limited to transition metal dichalcogenide (TMD) based 2D heterostructure samples, which require strict lattice… read more here.
Keywords: valley; interlayer excitons; physics; halide perovskite ... See more keywords
Ultrasmall and Monolayered Tungsten Dichalcogenide Quantum Dots with Giant Spin–Valley Coupling and Purple Luminescence
Sign Up to like & getrecommendations! Published in 2018 at "ACS Omega"
DOI: 10.1021/acsomega.8b01125
Abstract: Monolayered tungsten dichalcogenide quantum dots (WS2 QDs) have various potential applications due to their large spin–valley coupling and excellent photoluminescence (PL) properties. What is expected is that with the decrease in lateral size of QDs,… read more here.
Keywords: ws2 qds; valley coupling; spin valley; ultrasmall monolayered ... See more keywords
Zeeman splitting via spin-valley-layer coupling in bilayer MoTe2
Sign Up to like & getrecommendations! Published in 2017 at "Nature Communications"
DOI: 10.1038/s41467-017-00927-4
Abstract: Atomically thin monolayer transition metal dichalcogenides possess coupling of spin and valley degrees of freedom. The chirality is locked to identical valleys as a consequence of spin–orbit coupling and inversion symmetry breaking, leading to a… read more here.
Keywords: zeeman splitting; valley layer; spin valley; valley ... See more keywords
Two-dimensional spin–valley-coupled Dirac semimetals in functionalized SbAs monolayers
Sign Up to like & getrecommendations! Published in 2019 at "Materials Horizons"
DOI: 10.1039/c8mh01588k
Abstract: A new class of 2D Dirac materials (svc-DMs) is established, which has the desired spin- and valley-polarized Dirac state. read more here.
Keywords: spin valley; coupled dirac; valley; dimensional spin ... See more keywords
Gate-controlled spin-valley-layer locking in bilayer transition-metal dichalcogenides.
Sign Up to like & getrecommendations! Published in 2020 at "Nanoscale"
DOI: 10.1039/d0nr04630b
Abstract: The interplay between various internal degrees of freedom of electrons is of fundamental importance for designing high performance electronic devices. A particular instance of this interplay can be observed in bilayer TMDs due to the… read more here.
Keywords: spin valley; gate controlled; valley layer; controlled spin ... See more keywords
Tunable spin-valley polarized transport channel in silicene-based superconducting hybrid structures
Sign Up to like & getrecommendations! 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… read more here.
Keywords: spin valley; transport channel; field; valley polarized ... See more keywords