Tunable Valley and Spin Splittings in VSi2N4 Bilayers.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.2c03963
Abstract: The control and manipulation of the valley and spin degrees of freedom have received great interest in fundamental studies and advanced information technologies. Compared with magnetic means, it is highly desirable to realize more energy-efficient… read more here.
Keywords: vsi2n4 bilayers; spin; tunable valley; splittings vsi2n4 ... See more keywords
Valley- and spin-polarized Landau levels in monolayer WSe2.
Sign Up to like & getrecommendations! Published in 2017 at "Nature nanotechnology"
DOI: 10.1038/nnano.2016.213
Abstract: Electrons in monolayer transition metal dichalcogenides are characterized by valley and spin quantum degrees of freedom, making it possible to explore new physical phenomena and to foresee novel applications in the fields of electronics and… read more here.
Keywords: valley spin; spin; landau levels; spin polarized ... See more keywords
Many-body effects due to the electron–electron interaction in silicene under an applied exchange field: The case of valley–spin coupling
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Applied Physics"
DOI: 10.1063/1.5116786
Abstract: We investigate the many-body effects induced by the electron–electron interaction in a valley–spin-polarized silicene under a perpendicularly applied exchange field. We calculate the real and imaginary parts of the self-energy within the leading order dynamical… read more here.
Keywords: valley spin; spin; electron electron; interaction ... See more keywords
Acoustic Valley Spin Chern Insulators
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review Applied"
DOI: 10.1103/physrevapplied.16.014058
Abstract: The valley topological phases and transport phenomena for classical waves have attracted a great deal of attention. We realize valley spin Chern insulators in bilayer phononic crystals of a square lattice, whose topological invariants are… read more here.
Keywords: layer; topological phases; chern insulators; spin chern ... See more keywords
Elastic Valley Spin Controlled Chiral Coupling in Topological Valley Phononic Crystals.
Sign Up to like & getrecommendations! Published in 2022 at "Physical review letters"
DOI: 10.1103/physrevlett.129.275501
Abstract: Distinct from the phononic valley pseudospin, the real physical spin of elastic waves adds a novel tool kit capable of envisaging the valley-spin physics of topological valley phononic crystals from a local viewpoint. Here, we… read more here.
Keywords: elastic spin; valley; topological valley; valley phononic ... See more keywords
Tailoring excitonic states of van der Waals bilayers through stacking configuration, band alignment, and valley spin
Sign Up to like & getrecommendations! Published in 2019 at "Science Advances"
DOI: 10.1126/sciadv.aax7407
Abstract: We report the layer-hybridized valley excitons in 2D hetero- and homobilayers manifested by band alignment and valley spin. Excitons in monolayer semiconductors have a large optical transition dipole for strong coupling with light. Interlayer excitons… read more here.
Keywords: band alignment; valley spin; alignment valley; valley ... See more keywords