This article is cited in 4 papers

Estimations of the Fermi velocity and effective mass in epitaxial graphene and carbyne

S. Yu. Davydov

Ioffe Institute, St. Petersburg

Abstract: It is shown that the Fermi velocity of electrons is a natural characteristic of gapless graphene and cumulene modification of carbyne weakly coupled with the substrate. At the same time, in the presence of gap (graphene with a gap and polyyne modification of carbyne), the corresponding characteristic is the effective electron mass. The corresponding analytical estimations have been performed.

Keywords: dispersion relation, density of states, metal and semiconductor substrates.

Received: 02.04.2019
Revised: 02.04.2019
Accepted: 05.04.2019

DOI: 10.21883/PJTF.2019.13.47950.17819

 English version: Technical Physics Letters, 2019, 45:7, 650–652

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