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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Evans, Richard F. L.
University of York
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2024Origin of reduced magnetization and domain formation in small magnetite nanoparticlescitations
- 2024Ultra-high spin emission from antiferromagnetic FeRh
- 2023Dynamic imprinting of nanoscale topological phases into an antiferromagnet
- 2021First principles and atomistic calculation of the magnetic anisotropy of Y2Fe14Bcitations
- 2021First principles and atomistic calculation of the magnetic anisotropy of Y2Fe14Bcitations
- 2021Atomistic origin of the athermal training effect in granular IrMn/CoFe bilayerscitations
- 2021Atomistic simulations of the magnetic properties of IrxMn1-x alloyscitations
- 2021Reservoir Computing with Thin-film Ferromagnetic Devices
- 2020Atomistic simulations of α - Fe /Nd2Fe14B magnetic core/shell nanocomposites with enhanced energy product for high temperature permanent magnet applicationscitations
- 2017Origin of reduced magnetization and domain formation in small magnetite nanoparticlescitations
Places of action
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article
Origin of reduced magnetization and domain formation in small magnetite nanoparticles
Abstract
The structural, chemical, and magnetic properties of magnetite nanoparticles are compared. Aberration corrected scanning transmission electron microscopy reveals the prevalence of antiphase boundaries in nanoparticles that have significantly reduced magnetization, relative to the bulk. Atomistic magnetic modelling of nanoparticles with and without these defects reveals the origin of the reduced moment. Strong antiferromagnetic interactions across antiphase boundaries support multiple magnetic domains even in particles as small as 12-14 nm.