Spin polarization of two-dimensional electronic gas decoupled from structural asymmetry environment

It is shown, using density functional theory, that a 2D electron gas induced in a monolayer of Pb or Tl adatoms on the Si(111)-1x1 surface is insensitive to the structural asymmetry of the system and its spin polarization is governed by the interaction between the adlayer and the substrate. It is de...

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Veröffentlicht in:	Physical review. B 2016-05, Vol.93 (19), Article 195318
Hauptverfasser:	Pieczyrak, B., Szary, M., Jurczyszyn, L., Radny, M. W.
Format:	Artikel
Sprache:	eng
Schlagworte:	Asymmetry Condensed matter Density functional theory Electronics Monolayers Polarization Splitting Two dimensional
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container_title	Physical review. B
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creator	Pieczyrak, B. Szary, M. Jurczyszyn, L. Radny, M. W.
description	It is shown, using density functional theory, that a 2D electron gas induced in a monolayer of Pb or Tl adatoms on the Si(111)-1x1 surface is insensitive to the structural asymmetry of the system and its spin polarization is governed by the interaction between the adlayer and the substrate. It is demonstrated that this interaction changes the in-plane inversion symmetry of the charge distribution within the monolayer and can either suppress [Pb/Si(111)] or enhance [Tl/Si(111)] the adatom intra-atomic spin-orbit effect on a Rashba-Bychkov-type spin splitting.
doi_str_mv	10.1103/PhysRevB.93.195318
format	Article
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It is demonstrated that this interaction changes the in-plane inversion symmetry of the charge distribution within the monolayer and can either suppress [Pb/Si(111)] or enhance [Tl/Si(111)] the adatom intra-atomic spin-orbit effect on a Rashba-Bychkov-type spin splitting.</description><identifier>ISSN: 2469-9950</identifier><identifier>EISSN: 2469-9969</identifier><identifier>DOI: 10.1103/PhysRevB.93.195318</identifier><language>eng</language><subject>Asymmetry ; Condensed matter ; Density functional theory ; Electronics ; Monolayers ; Polarization ; Splitting ; Two dimensional</subject><ispartof>Physical review. 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subjects	Asymmetry Condensed matter Density functional theory Electronics Monolayers Polarization Splitting Two dimensional
title	Spin polarization of two-dimensional electronic gas decoupled from structural asymmetry environment
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