Electron g-factor in nanostructures: continuum media and atomistic approach.

Abstract:

:We report studies of [Formula: see text]-dependent Landé g-factor, performed by both continuous media approximation [Formula: see text] method, and atomistic tight-binding [Formula: see text] approach. We propose an effective, mesoscopic model for InAs that we are able to successfully compare with atomistic calculations, for both very small and very large nanostructures, with a number of atoms reaching over 60 million. Finally, for nanostructure dimensions corresponding to near-zero g-factor we report electron spin states anti-crossing as a function of system size, despite no shape-anisotropy nor strain effects included, and merely due to breaking of atomistic symmetry of cation/anion planes constituting the system.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Gawarecki K,Zieliński M

doi

10.1038/s41598-020-79133-0

subject

Has Abstract

pub_date

2020-12-15 00:00:00

pages

22001

issue

1

issn

2045-2322

pii

10.1038/s41598-020-79133-0

journal_volume

10

pub_type

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