Issue 4, 2020

Experimental evidence of a new class of massless fermions

Abstract

The discovery of graphene with its massless fermions established a new branch of nanomaterials in which linear bands can be realized. It has been predicted that beside Dirac fermions revealing isotropic character and observed in a number of two-dimensional materials, another class of massless fermions can also be found: strongly anisotropic fortune teller-like states which form planes instead of cones in the electronic structure. Here, we demonstrate that such distinct electronic structures exist and can be found in a surface layer of silicon.

Graphical abstract: Experimental evidence of a new class of massless fermions

Supplementary files

Article information

Article type
Communication
Submitted
28 Oct 2019
Accepted
11 Dec 2019
First published
11 Dec 2019

Nanoscale Horiz., 2020,5, 679-682

Experimental evidence of a new class of massless fermions

M. Kopciuszyński, M. Krawiec, L. Żurawek and R. Zdyb, Nanoscale Horiz., 2020, 5, 679 DOI: 10.1039/C9NH00681H

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