Spectrum of electrons in graphene as an alternant macromolecule and its specific features in quantum conductance

A Onipko - Physical Review B—Condensed Matter and Materials …, 2008 - APS
An exact description of π electrons based on the tight-binding model of graphene as an
alternant, plane macromolecule is presented. The model molecule can contain an arbitrary …

Controllable spin-dependent transport in armchair graphene nanoribbon structures

VH Nguyen, V Nam Do, A Bournel… - Journal of Applied …, 2009 - pubs.aip.org
Using the nonequilibrium Green's functions formalism in a tight binding model, the spin-
dependent transport in armchair graphene nanoribbons controlled by a ferromagnetic gate …

Lieb lattices and pseudospin-1 dynamics under barrier-and well-like electrostatic interactions

V Jakubský, K Zelaya - Physica E: Low-dimensional Systems and …, 2023 - Elsevier
This work considers the confining and scattering phenomena of electrons in a Lieb lattice
subjected to the influence of a rectangular electrostatic barrier. In this setup, hopping …

Electron spectrum of graphene macromolecule revisited

A Onipko, L Malysheva - physica status solidi (b), 2018 - Wiley Online Library
We revisit the model of graphene as a π‐conjugated macromolecule (GMM)[Phys. Rev. Lett.
2008, 100, 186806], and show that it allows us to understand the origin and describe, in …

From acene to graphene spectrum of π electrons with the use of the Green's function

L Malysheva, A Onipko - physica status solidi (b), 2008 - Wiley Online Library
The origin of the spectrum of π electrons that results from the coupling of N 𝒩‐long acenes
via C‐C covalent bonding has been traced with the use of the Green function formalism …

Effects of chirality in the electron transmission through step-like potential in zigzag, armchair, and (2m, m) carbon nanotubes

L Malysheva - Low Temperature Physics, 2022 - pubs.aip.org
We report the one-electron spectrum and eigenstates of infinite achiral and chiral (2m, m)
carbon nanotubes found by using the analytic solution to the Schrödinger equation for the …

Electron transmission through step‐like potential in armchair and zigzag graphene nanoribbons: Comparison of different interfaces

A Onipko, L Malysheva - physica status solidi (b), 2015 - Wiley Online Library
We present the one‐electron spectrum and eigenstates of bounded graphene nanoribbons
that describe electron dynamics in terms of transverse and longitudinal motion. On this …

Interband transmission in armchair graphene ribbons with a step‐like profile of potential energy: Relevance to Klein's tunneling

L Malysheva, E Petrenko, A Onipko - physica status solidi (b), 2009 - Wiley Online Library
Three principal results concerning graphene‐based wires and their ambipolar behavior are
presented. First, it is the exact expression of the transmission coefficient for armchair …

[PDF][PDF] Energy and mode filtering in a graphene channel with unevenly spaced barriers with a smooth profile

P Marconcini - 12th International Conference on Electronics …, 2020 - brahms.iet.unipi.it
We simulate the transport and shot noise behavior of graphene armchair ribbons with a
series of parallel, unevenly spaced potential barriers with a smooth profile (which could …