Search Results - "Livesey, Karen L."

Using magnetic hyperbolic metamaterials as high frequency tunable filters by Macêdo, Rair, Livesey, Karen L., Camley, Robert E.

“…Metamaterials have enabled a series of major advances in optical devices in the past decade. Here, we suggest a type of hyperbolic metamaterial based on spin…”
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Simulating the Self-Assembly and Hysteresis Loops of Ferromagnetic Nanoparticles with Sticking of Ligands by Anderson, Nicholas R, Davidson, Jonathon, Louie, Dana R, Serantes, David, Livesey, Karen L

“…The agglomeration of ferromagnetic nanoparticles in a fluid is studied using nanoparticle-level Langevin dynamics simulations. The simulations have…”
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Ultra-small cobalt particles embedded in titania by ion beam synthesis: Additional datasets including electron microscopy, neutron reflectometry, modelling outputs and particle size analysis by Bake, Abdulhakim, Rahman, Md Rezoanur, Evans, Peter J., Cortie, Michael, Nancarrow, Mitchell, Abrudan, Radu, Radu, Florin, Khaydukov, Yury, Causer, Grace, Livesey, Karen L., Callori, Sara, Mitchell, David R.G., Pastuovic, Zeljko, Wang, Xiaolin, Cortie, David

“…This Data-in-brief article includes datasets of electron microscopy, polarised neutron reflectometry and magnetometry for ultra-small cobalt particles formed…”
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Analytic calculation for the stray field above Néel and Bloch magnetic domain walls in a rectangular nanoribbon by Flores, Carla Quispe, Stuart, Alexandra R., Buchanan, Kristen S., Livesey, Karen L.

“…•The stray magnetic field is calculated analytically from a magnetic domain wall.•The analytic results agree (with less than 1% error) with micromagnetic…”
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The formation of linear aggregates in magnetic hyperthermia: Implications on specific absorption rate and magnetic anisotropy by Saville, Steven L., Qi, Bin, Baker, Jonathon, Stone, Roland, Camley, Robert E., Livesey, Karen L., Ye, Longfei, Crawford, Thomas M., Thompson Mefford, O.

“…[Display omitted] •Colloidally stable particles formed linear aggregates in an alternating magnetic field.•Chains of magnetic particles may effect the…”
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Tunability and Ordering in 2D Arrays of Magnetic Nanoparticles Assembled via Extreme Field Gradients by Mohtasebzadeh, Abdul Rahman, Davidson, Jonathon C., Livesey, Karen L., Crawford, Thomas M.

“…Colloidal magnetite nanoparticles self‐assemble onto a disk drive medium as directed by magnetic field gradients created where the medium magnetic moment…”
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Optimisation of Iron Oxide Nanoparticles for Agglomeration and Blockage in Aqueous Flow Systems by Landowski, Lila M, Livesey, Karen L, Bibari, Olivier, Russell, Allanna M, Taylor, Madeleine R, Ho, Curtis C, Howells, David W, Fuller, Rebecca O

“…The translation of nanoparticles to useful applications is often hindered by the reliability of synthetic methodologies to reproducibly generate larger…”
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Consequences of the Dzyaloshinskii-Moriya interaction by Camley, Robert E., Livesey, Karen L.

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Analytic theory for Néel skyrmion size, accounting for finite film thickness by Lu, Ellen, Stuart, Alexandra R., Chalifour, Artek R., Davidson, Jonathon C., Keatley, Paul S., Buchanan, Kristen S., Livesey, Karen L.

“…The energy of a Néel skyrmion in a magnetic film with interfacial DMI is developed analytically, with the finite thickness of the film taken into account. Many…”
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Structure and magnetism of ultra-small cobalt particles assembled at titania surfaces by ion beam synthesis by Bake, Abdulhakim, Rezoanur Rahman, Md, Evans, Peter J., Cortie, Michael, Nancarrow, Mitchell, Abrudan, Radu, Radu, Florin, Khaydukov, Yury, Causer, Grace, Callori, Sara, Livesey, Karen L., Mitchell, David, Pastuovic, Zeljko, Wang, Xiaolin, Cortie, David

“…[Display omitted] •Ion beam synthesis was used to produce ultra-small cobalt particles with sizes below 2 nm embedded at the surface of titania thin films.•The…”
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Interplay between thermal and magnetic properties of polymer nanocomposites with superparamagnetic Fe3O4 nanoparticles by Rezoanur Rahman, Md, Bake, Abdulhakim, Jumlat Ahmed, Al, Md Kazi Nazrul Islam, Sheik, Wu, Liang, Khakbaz, Hadis, FitzGerald, Sara, Chalifour, Artek, Livesey, Karen L., Knott, Jonathan C., Innis, Peter C., Beirne, Stephen, Cortie, David

“…[Display omitted] •An advanced nanocomposite comprising a thermoplastic and magnetic superparamagnetic particle was developed.•The Fe3O4-polyurethane…”
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Breaking Space Inversion‐Symmetry to Obtain Asymmetric Spin‐Wave Excitation in Systems with Nonuniform Magnetic Exchange by Macêdo, Rair, Kudinoor, Arjun S., Livesey, Karen L., Camley, Robert E.

“…The consequences of non‐uniform exchange in magnetic systems are reported. The quantum mechanical exchange interaction between spins is responsible for the…”
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Curie-Weiss behavior and the "interaction" temperature of magnetic nanoparticle ensembles: local structure strongly affects the magnetic behavior by Camley, Robert E, Macêdo, Rair, Livesey, Karen L

“…In this article, the Curie-Weiss type behavior and the appearance of an "interaction" or "ordering" temperature for a collection of magnetic nanoparticles is…”
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Field-dependent magnetic relaxation times of magnetic nanoparticle systems: analytic approximations supported by numerical simulations by Davidson, Jonathon C, Anderson, Nicholas R, Livesey, Karen L

“…Many estimates for the magnetic relaxation time of magnetic nanoparticle systems neglect the effect of the applied field strength. This is despite many…”
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Breaking Space Inversion-Symmetry to Obtain Asymmetric Spin-Wave Excitation in Systems with Nonuniform Magnetic Exchange by Macêdo, Rair, Kudinoor, Arjun S, Livesey, Karen L, Camley, Robert E

“…Adv. Electron. Mater. 2021, 2100435 We report on the consequences of non-uniform exchange in magnetic systems. The quantum mechanical exchange interaction…”
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A semi-analytical approach to calculating the dynamic modes of magnetic vortices with Dzyaloshinskii-Moriya interactions by Flores, Carla Quispe, Chalifour, Casey, Davidson, Jonathon, Livesey, Karen L, Buchanan, Kristen S

“…Here we introduce a Landau-Lifshitz based diagonalization (LLD) method, and use this approach to calculate the effects of the interfacial Dzyaloshinskii Moriya…”
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An Electromagnetic Approach to Cavity Spintronics by Macêdo, Rair, Holland, Rory C, Baity, Paul G, McLellan, Luke J, Livesey, Karen L, Stamps, Robert L, Weides, Martin P, Bozhko, Dmytro A

“…Phys. Rev. Applied 15, 024065 (2021) The fields of cavity quantum electrodynamics and magnetism have recently merged into \textit{`cavity spintronics'},…”
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