Graphene nanoflakes in external electric and magnetic in-plane fields

K Szałowski - Journal of Magnetism and Magnetic Materials, 2015 - Elsevier
The paper discusses the influence of the external in-plane electric and magnetic fields on
the ground state spin phase diagram of selected monolayer graphene nanostructures. The …

Critical phenomena in kagomé multilayer with RKKY-like interaction: A Monte Carlo study

A Jabar, R Masrour, A Benyoussef… - Physica A: Statistical …, 2019 - Elsevier
The sandwiches of magnetic/nonmagnetic/magnetic (M/NM/M) materials have been
investigated combined with Ruderman–Kittel–Kasuya–Yosida (RKKY) exchange …

Investigation of edge states in artificial graphene nano-flakes

Q Zhang, TC Wu, G Kuang, N Lin - Journal of Physics …, 2021 - iopscience.iop.org
Graphene nano-flakes (GNFs) are predicted to host spin-polarized metallic edge states,
which are envisioned for exploration of spintronics at the nanometer scale. To date …

Electronic and magnetic properties of graphene quantum dots with two charged vacancies

EB Kul, M Polat, AD Güçlü - Solid State Communications, 2020 - Elsevier
Electronic and magnetic properties of a system of two charged vacancies in hexagonal
shaped graphene quantum dots are investigated using a mean-field Hubbard model as a …

The influence of AA and AB stacking on the ground state magnetic properties of triangular bilayer graphene quantum dots

M Sharifian, E Faizabadi - Journal of Magnetism and Magnetic Materials, 2021 - Elsevier
Using the tight-binding model, we have studied the impact of AA and AB (Bernal) stacking
on eigenstates and eigenvalues of bilayer graphene nanoflakes with triangular geometry …

Symmetries and hybridization in the indirect interaction between magnetic moments in nanoflakes

O Ávalos-Ovando, D Mastrogiuseppe, SE Ulloa - Physical Review B, 2016 - APS
We study the Ruderman-Kittel-Kasuya-Yosida interaction between magnetic impurities
embedded in p-doped transition metal dichalcogenide triangular flakes. The role of …

Noncollinear exchange interaction in transition metal dichalcogenide edges

O Ávalos-Ovando, D Mastrogiuseppe, SE Ulloa - Physical Review B, 2016 - APS
We study the Ruderman-Kittel-Kasuya-Yosida effective exchange interaction between
magnetic impurities embedded on the edges of transition metal dichalcogenide flakes, using …

Electric field control of the indirect magnetic coupling through a short graphene nanoribbon

K Szałowski - Physical Review B, 2014 - APS
In this paper we consider the system composed of two magnetic planes attached to zigzag
terminations of the graphene nanostructure being an ultrashort fragment of the armchair …

Collapse of the vacuum in hexagonal graphene quantum dots: A comparative study between tight-binding and mean-field Hubbard models

M Polat, H Sevinçli, AD Güçlü - Physical Review B, 2020 - APS
In this paper, we perform a systematic study on the electronic, magnetic, and transport
properties of the hexagonal graphene quantum dots (GQDs) with armchair edges in the …

Defect induced Anderson localization and magnetization in graphene quantum dots

A Altıntaş, AD Güçlü - Solid State Communications, 2018 - Elsevier
We theoretically investigate the effects of atomic defect related short-range disorders and
electron-electron interactions on Anderson type localization and the magnetic properties of …