[图书][B] Introduction to surface and superlattice excitations

MG Cottam, DR Tilley - 2019 - taylorfrancis.com
Cottam and Tilley provide an introduction to the properties of wave-like excitations
associated with surfaces and interfaces. The emphasis is on acoustic, optic and magnetic …

Spin waves transport across a ferrimagnetically ordered nanojunction of cobalt-gadolinium alloy between cobalt leads

D Ghader, V Ashokan, MA Ghantous… - The European Physical …, 2013 - Springer
A model calculation is presented for the spin wave scattering and coherent transport at the
ferrimagnetically ordered cobalt-gadolinium alloy nanojunction between cobalt leads. The …

Ballistic transport of spin waves incident from cobalt leads across cobalt–gadolinium alloy nanojunctions

V Ashokan, M Abou Ghantous, D Ghader… - Journal of magnetism and …, 2014 - Elsevier
Calculations are presented for the scattering and ballistic transport of spin waves (SW)
incident from cobalt leads, on ultrathin ferrimagnetic cobalt–gadolinium‥ Co][Co (1− c) Gd …

Discretized dynamics of exchange spin wave bulk and edge modes in honeycomb nanoribbons with armchair edge boundaries

D Ghader, A Khater - Journal of Physics: Condensed Matter, 2019 - iopscience.iop.org
We develop a field theory to study the dynamics of long wavelength exchange spin wave
excitations on honeycomb nanoribbons characterized by armchair edge boundaries and the …

[PDF][PDF] Magnons coherent transmission and heat transport at ultrathin insulating ferromagnetic nanojunctions

A Khater, B Bourahla, M Abou Ghantous… - The European Physical …, 2011 - Springer
A model calculation is presented for the magnons coherent transmission and corresponding
heat transport at insulating magnetic nanojunctions. The system consists of a …

Calculation of spin modes on magnetic surface clusters

A Khater, M Abou Ghantous - Surface science, 2002 - Elsevier
A method is presented for the calculation of the energies of spin modes of magnetic surface
clusters. The cluster is considered to be supported on a magnetically ordered substrate …

Asymmetric dynamics of edge exchange spin waves in honeycomb nanoribbons with zigzag and bearded edge boundaries

D Ghader, A Khater - Scientific reports, 2019 - nature.com
We report on the theoretical prediction of asymmetric edge spin waves, propagating in
opposite directions at the boundaries of antiferromagnetic honeycomb nanoribbons with …

[PDF][PDF] Neurocomputing techniques to predict the 2D structures by using lattice dynamics of surfaces

A Belayadi, B Bourahla… - Acta Physica Polonica …, 2017 - bibliotekanauki.pl
A theoretical study of artificial neural network modelling, based on vibrational dynamic data
for 2D lattice, is proposed in this paper. The main purpose is to establish a neurocomputing …

Computation of magnons ballistic transport across an ordered magnetic iron-cobalt alloy nanojunction between iron leads

V Ashokan, M Abou Ghantous, D Ghader, A Khater - Thin Solid Films, 2016 - Elsevier
A model is presented to analyze the spin waves scattering and ballistic transport at the iron-
cobalt magnetically ordered alloy nanojunction between iron leads. The B2 structure …

Magnon coherent conductance via atomic nanocontacts

B Bourahla, A Khater, R Tigrine, O Rafil… - Journal of Physics …, 2007 - iopscience.iop.org
A calculation for the coherent scattering and conductance of magnons via atomic
nanocontacts is presented. The model system is composed of two groups of semi-infinite …