26 citations · 99 across the 11 of their papers we have counts for
11 papers
Triangular array of iron-oxide nanoparticles: A simulation study of intra- and inter-particle magnetism
B. Alkadour, B. W. Southern, J. P. Whitehead +1
A study of spherical maghemite nanoparticles on a two dimensional triangular array was carried out using a stochastic Landau-Lifshitz-Gilbert (sLLG) approach. The simulation method…
Impact of further-range exchange and cubic anisotropy on magnetic excitations in the fcc kagome antiferromagnet IrMn3
M. D. LeBlanc, A. A. Aczel, G. E. Granroth +5
Exchange interactions up to fourth nearest neighbor are shown within a classical local-moment Heisenberg approach to be important to model inelastic neutron scattering data on the…
Dipolar ferromagnetism in three-dimensional superlattices of nanoparticles
B. Alkadour, J. I. Mercer, J. P. Whitehead +2
A series of atomistic finite temperature simulations on a model of an FCC lattice of maghemite nanoparticles using the stochastic Landau-Lifshitz-Gilbert (sLLG) equation are presen…
Kinetic Monte Carlo Simulations of the Effect of the Exchange Control Layer Thickness in CoPtCrB/CoPtCrSiO Granular Media
Ahmad M. Almudallal, J. I. Mercer, J. P. Whitehead +2
A hybrid kMC/LLG algorithm is used to simulate experimental MH hysteresis loops for dual layer ECC media. The calculation of the rate coefficients and difficulties arising from low…
Monte Carlo Simulations of ABC Stacked Kagome Lattice Thin Films
H. V. Yerzhakov, M. L. Plumer, J. P. Whitehead
Properties of thin films of geometrically frustrated ABC stacked antiferromagnetic kagome layers are examined using Metropolis Monte Carlo simulations. The impact of having an easy…
Thermally activated switching at long time scales in exchange-coupled magnetic grains
Ahmad M. Almudallal, J. I. Mercer, J. P. Whitehead +3
Rate coefficients of the Arrhenius-Neel form are calculated for thermally activated magnetic moment reversal for dual layer exchange-coupled composite (ECC) media based on the Lang…
Spin waves in the anisotropic fcc kagome antiferromagnet
M. D. LeBlanc, B. W. Southern, M. L. Plumer +1
Spin wave calculations demonstrate that the macroscopic continuous degeneracy associated with the two-dimensional kagome Heisenberg spin lattice persists in the case of the stacked…
Micromagnetic simulations of sweep-rate dependent coercivity in perpendicular recording media
M. L. Plumer, M. D. Leblanc, J. P. Whitehead +1
The results of micromagnetic simulations are presented which examine the impact of thermal fluctuations on sweep rate dependent coercivities of both single-layer and exchange-coupl…
Atomic level micromagnetic model of recording media switching at elevated temperatures
J. I. Mercer, M. L. Plumer, J. P. Whitehead +1
An atomic level micromagnetic model of granular recording media is developed and applied to examine external field-induced grain switching at elevated temperatures which captures n…
Monte Carlo simulations of magnetic ordering in the fcc Kagome lattice
V. Hemmati, M. L. Plumer, J. P. Whitehead +1
Monte Carlo simulation results are reported on magnetic ordering in ABC stacked Kagomé layers with fcc symmetry for both XY and Heisenberg models which include exchange interaction…
Micromagnetic simulations of interacting dipoles on a fcc lattice: Application to nanoparticle assemblies
M L Plumer, J van Lierop, B W Southern +1
Micromagnetic simulations are used to examine the effects of cubic and axial anisotropy, magnetostatic interactions and temperature on M-H loops for a collection of magnetic dipole…