| 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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Grinenko, Vadim
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2018Dynamic magnetism in the disordered hexagonal double perovskite BaTi$_{1/2}$Mn$_{1/2}$O$_{3}$citations
- 2018Universal scaling behavior of the upper critical field in strained FeSe0.7Te0.3 thin filmscitations
- 2017The influence of the in-plane lattice constant on the superconducting transition temperature of FeSe0.7Te0.3 thin films
- 2016Hall-plot of the phase diagram for Ba(Fe₁₋ₓCoₓ)₂As₂
- 2016Hall-plot of the phase diagram for Ba(Fe1-xCox)2As2citations
- 2016Hall-plot of the phase diagram for Ba(Fe1−xCox)2As2
- 2015High field superconducting properties of Ba(Fe1-xCox)2As2 thin films
- 2015High field superconducting properties of Ba(Fe₁₋ₓCoₓ)₂As₂ thin filmscitations
- 2013Strain induced superconductivity in the parent compound BaFe2As2citations
- 2013Specific heat of Ca$_{0.32}$Na$_{0.68}$Fe$_2$As$_2$ single crystals: unconventional s$_pm$ multi-band superconductivity with intermediate repulsive interband coupling and sizable attractive intraband couplingscitations
- 2011As-vacancies, local moments, and Pauli limiting in LaO_0.9F_0.1FeAs_(1-delta) superconductorscitations
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article
High field superconducting properties of Ba(Fe₁₋ₓCoₓ)₂As₂ thin films
Abstract
In general, the critical current density, Jc, of type II superconductors and its anisotropy with respect to magnetic field orientation is determined by intrinsic and extrinsic properties. The Fe-based superconductors of the ‘122’ family with their moderate electronic anisotropies and high yet accessible critical fields (Hc2 and Hirr) are a good model system to study this interplay. In this paper, we explore the vortex matter of optimally Co-doped BaFe2As2 thin films with extended planar and c-axis correlated defects. The temperature and angular dependence of the upper critical field is well explained by a two-band model in the clean limit. The dirty band scenario, however, cannot be ruled out completely. Above the irreversibility field, the flux motion is thermally activated, where the activation energy U0 is going to zero at the extrapolated zero-kelvin Hirr value. The anisotropy of the critical current density Jc is both influenced by the Hc2 anisotropy (and therefore by multi-band effects) as well as the extended planar and columnar defects present in the sample.