Boron Triangular Kagome Lattice with Half-Metallic Ferromagnetism.

Abstract:

:Based on the first-principles evolutionary materials design, we report a stable boron Kagome lattice composed of triangles in triangles on a two-dimensional sheet. The Kagome lattice can be synthesized on a silver substrate, with selecting Mg atoms as guest atoms. While the isolated Kagome lattice is slightly twisted without strain, it turns into an ideal triangular Kagome lattice under tensile strain. In the triangular Kagome lattice, we find the exotic electronic properties, such as topologically non-trivial flat band near the Fermi energy and half-metallic ferromagnetism, and predict the quantum anomalous Hall effect in the presence of spin-orbit coupling.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Kim S,Han WH,Lee IH,Chang KJ

doi

10.1038/s41598-017-07518-9

subject

Has Abstract

pub_date

2017-08-04 00:00:00

pages

7279

issue

1

issn

2045-2322

pii

10.1038/s41598-017-07518-9

journal_volume

7

pub_type

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