| People | Locations | Statistics |
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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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Hansen, Jørn Otto Bindslev
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (13/13 displayed)
- 2024Fabrication of high tilt angle YBa2Cu3O x thin films by pulsed laser depositioncitations
- 2022Graphoepitaxial Y:ZrO2 films on vicinal (110) NdGaO3 substrates by pulsed laser depositioncitations
- 2017Pulsed Laser Deposition of YBa2Cu3Ox with Scanning Beam: Target to Substrate Composition Transfer and Film Structurecitations
- 2017Pulsed Laser Deposition of YBa 2 Cu 3 O x with Scanning Beam: Target to Substrate Composition Transfer and Film Structurecitations
- 2016Superconducting Dy 1-x (Gd,Yb) x Ba 2 Cu 3 O 7-δ thin films made by Chemical Solution Depositioncitations
- 2016Superconducting Dy1-x(Gd,Yb)xBa2Cu3O7-δ thin films made by Chemical Solution Depositioncitations
- 2013Structural and magnetic properties of (NdBa)MnO 3 films on lattice-matched substratescitations
- 2013Yttrium-enriched YBa2Cu3Ox thin films for coated conductors fabricated by pulsed laser depositioncitations
- 2013Yttrium-enriched YBa 2 Cu 3 O x thin films for coated conductors fabricated by pulsed laser depositioncitations
- 2013Structural and magnetic properties of (NdBa)MnO3 films on lattice-matched substratescitations
- 2010Anisotrophic currents and flux jumps in high-T-c superconducting films with self-organized arrays of planar defectscitations
- 2005Fe-contacts on InAs(100) and InP(100) characterised by conversion electron Mössbauer spectroscopycitations
- 2005Spin injection between epitaxial Co2.4Mn1.6Ga and an InGaAs quantum wellcitations
Places of action
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article
Anisotrophic currents and flux jumps in high-T-c superconducting films with self-organized arrays of planar defects
Abstract
Regular arrays of planar defects with a period of a few nanometers can be introduced in superconducting YBa2Cu3O7-delta (YBCO) thin films by depositing them on vicinal (also called miscut or tilted) substrates. This results in the anisotropy of critical currents flowing in the plane of the film. We present results of real-time magneto-optical imaging (MOI) of magnetic flux distribution and dynamics in a series of YBCO thin films deposited on NdGaO3 substrates with different miscut angles theta. MOI allows reconstructing the current flow profiles. From the angle formed between domains with different directions of the current flow we determine the anisotropy parameter of the in-plane current, as well as its field and temperature dependences. The artificially introduced defects also have a dramatic effect on the dynamics of the flux propagation: for 10 degrees <theta <14 degrees the magnetic flux propagates along the easy channels intermittently, i.e. in a form of flux jumps. This behavior is indicative of thermo-magnetic instability in superconductors, but we argue that this effect can be of a different nature.