English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

The anisotropic Rashba effect allows for the manipulation of electron spinsin a more precise and tunable manner since the magnitude of the Rashbasplitting and orientation of the spin textures can be simply controlled bytuning the direction of the externally applied electric field. Herein, wepredict the emergence of the anisotropic Rashba effect in the two-dimensional(2D) Janus $XA_{2}Y$ constructed from the group IV ($A$= Si, Sn, Ge) and groupV ($X,Y$ = Sb, Bi) elements having trigonal prismatic structures but lackingin-plane mirror symmetry. Due to the lowering point group symmetry of thecrystal, the Rashba spin splitting is enforced to becomes anisotropic aroundcertain high symmetry points in the Brillouin zone and preserves theout-of-plane spin textures. We illustrate this behavior using densityfunctional theory calculations supplemented with $\vec{k}\cdot\vec{p}$ analysison the Janus SbSi$_{2}$Bi monolayer as a representative example. Specifically,we observed large and anisotropic Rashba splitting with prominence contributionof the out-of-plane spin textures in the conduction band minimum around the $M$point and valence band maximum around the $\Gamma$ point. More importantly, theanisotropic spin splitting and out-of-plane spin polarization are sensitivelyaffected by surface imperfections, depending on the concentration andconfiguration of the $X$ and $Y$ elements in the 2D Janus $XA_{2}Y$ surface.Our study offer the possibility to realize the present systems for spintronicsapplications.

physical review materials

Anisotropic Rashba splitting dominated by out-of-plane spin polarization  in two-dimensional Janus $XA_{2}Y$ ($A$= Si, Sn, Ge; $X,Y$= Sb, Bi) with  surface imperfection