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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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Lee, Stephen Leslie
University of St Andrews
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (14/14 displayed)
- 2023Spin-orbit driven superconducting proximity effects in Pt/Nb thin filmscitations
- 2021Structural features in some layered hybrid copper chloride perovskitescitations
- 2018Observation of anomalous Meissner screening in Cu/Nb and Cu/Nb/Co thin filmscitations
- 2017Emergent magnetism at transition-metal–nanocarbon interfacescitations
- 2016Beating the Stoner criterion using molecular interfacescitations
- 2016Dynamical torque in CoxFe3–xO4 nanocube thin films characterized by femtosecond magneto-optics : a π-shift control of the magnetization precessioncitations
- 2016Remotely induced magnetism in a normal metal using a superconducting spin-valvecitations
- 2016Dynamical torque in Co x Fe 3–x O 4 nanocube thin films characterized by femtosecond magneto-optics:a π-shift control of the magnetization precessioncitations
- 2016Dynamical torque in CoxFe3–xO4 nanocube thin films characterized by femtosecond magneto-opticscitations
- 2015Beating the Stoner criterion using molecular interfacescitations
- 2005Agglomeration and sintering in annealed FePt nanoparticle assemblies studied by small angle neutron scattering and x-ray diffractioncitations
- 2005Coexistence and coupling of superconductivity and magnetism in thin film structurescitations
- 2004Structural and magnetic model of self-assembled FePt nanoparticle arrayscitations
- 2003μSR Studies of the Interaction between Magnetism and Superconductivity in κ-BETS 2 FeCl 4citations
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article
Observation of anomalous Meissner screening in Cu/Nb and Cu/Nb/Co thin films
Abstract
We have observed the spatial distribution of magnetic flux in Nb, Cu/Nb, and Cu/Nb/Co thin films using muon-spin rotation. In an isolated 50-nm-thick Nb film, we find a weak flux expulsion (Meissner effect) which becomes significantly enhanced when adding an adjacent 40 nm layer of Cu. The added Cu layer exhibits a Meissner effect (due to induced superconducting pairs) and is at least as effective as the Nb to expel flux. These results are confirmed by theoretical calculations using the quasiclassical Green's function formalism. An unexpected further significant enhancement of the flux expulsion is observed when adding a thin (2.4 nm) ferromagnetic Co layer to the bottom side of the Nb. This observed cooperation between superconductivity and ferromagnetism, by an unknown mechanism, forms a key ingredient for developing superconducting spintronics.