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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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De Visser, Anne
University of Amsterdam
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2023Controlling of Localization by Elemental-substitution Effect in Layered BiCh2-based Compounds LaO1-xFxBiS2-ySeycitations
- 2022Disorder-induced transition from type-I to type-II superconductivity in the Dirac semimetal PdTe2citations
- 2021Superconducting and structural properties of the type-I superconductor PdTe2 under high pressurecitations
- 2019Correlations between structural, magnetic and electronic transport properties of nano-sized (Sr,La)-(Fe,Mo) double perovskitescitations
- 2013Kondo hybridisation and the origin of metallic states at the (001) surface of SmB6citations
- 2012Superconductivity in non-centrosymmetric YPtBi under pressure.citations
- 2012Superconductivity in the doped topological insulator CuxBi2Se3 under high pressurecitations
- 2011Single-crystal study on the heavy-fermion antiferromagnet UZn12citations
- 2010Anomalous spin distribution in the superconducting ferromagnet UCoGe studied by polarized neutron diffractioncitations
- 2010Weak itinerant ferromagnetism in Heusler-type Fe2VAl0.95citations
- 2010The superconducting ferromagnet UCoGecitations
- 2008Evolution of ferromagnetic order in URhGe alloyed with Ru, Co and Sicitations
Places of action
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article
Anomalous spin distribution in the superconducting ferromagnet UCoGe studied by polarized neutron diffraction
Abstract
We report a polarized neutron-diffraction study conducted to reveal the nature of the weak ferromagnetic moment in the superconducting ferromagnet UCoGe. We find that the ordered moment in the normal phase in low magnetic fields (B∥c) is predominantly located at the U atom and has a magnitude of ∼0.1μB at 3 T, in agreement with bulk magnetization data. By increasing the magnetic field the U moment grows to ∼0.3μB in 12 T and most remarkably, induces a substantial moment (∼0.2μB) on the Co atom directed antiparallel to the U moment. The anomalous polarizability of the Co 3d orbitals is unique among uranium intermetallics and might reflect the proximity to a magnetic quantum critical point of UCoGe in zero field.