| 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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Grünewald, Lukas
Karlsruhe Institute of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2023Oxygen annealing: a tool for tailoring the pinning landscape in GdBCO thin films
- 2022Analysis of Superconducting Thin Films in a Modern FIB/SEM Dual-Beam Instrument
- 2022Structural and chemical properties of superconducting rare-earth barium copper oxide/BaHfO3 nanocomposites with rare-earth mixtures
- 2022Microstructure, pinning properties, and aging of CSD-grown SmBa$_2$Cu$_3$O$_{7−δ}$ films with and without BaHfO$_3$ nanoparticlescitations
- 2022Electron Microscopic Investigation of Superconducting Fe- and Cu-based Thin Films
- 2021Analysis of Superconducting Thin Films in a Modern FIB/SEM Dual-Beam Instrument
- 2020Structural and chemical properties of superconducting Co-doped BaFe$_2$As$_2$ thin films grown on CaF$_2$citations
- 2020Pulsed Laser Deposition of quasi-multilayer superconducting Ba(Fe$_{0.92}$Co$_{0.08}$)2As$_{2}$-BaHfO$_{3}$ nanocomposite filmscitations
- 2019Fabrication of phase masks from amorphous carbon thin films for electron-beam shapingcitations
- 2019Pulsed Laser Deposition of quasi-multilayer superconducting Ba(Fe0.92Co0.08)2As2-BaHfO3 nanocomposite films
Places of action
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thesis
Electron Microscopic Investigation of Superconducting Fe- and Cu-based Thin Films
Abstract
Superconducting materials enable lossless current transport, bringing them into focus for technical applications. Particularly relevant are epitaxially grown thin films of high-temperature superconductors, like the Fe- and Cu-based materials Ba(Fe$_{0.92}$Co$_{0.08}$)$_{2}$As$_{2}$ (Ba122) and REBa$_{2}$Cu$_{3}$O$_{7-δ}$ (REBCO, with rare-earth elements, REs, such as Y, Sm, Gd, ..., and the O non-stoichiometry δ). A central goal of current research is to improve the current-carrying capacity of superconducting thin films for improved coated-conductor technology. Non-superconducting defects of suitable shape and size (typically a few nanometers) play an essential role in superconductivity, as they prevent the unwanted movement of magnetic flux lines (“flux pinning”). However, the controlled fabrication of such defects is difficult since several fabrication parameters influence defect formation. In this work, scanning (transmission) electron microscopy (S(T)EM) in combination with energy dispersive x-ray spectroscopy (EDXS) and electron energy loss spectroscopy (EELS) was applied for a better understanding of the film growth and defect formation.