J
J. Flokstra
Researcher at University of Twente
Publications - 46
Citations - 502
J. Flokstra is an academic researcher from University of Twente. The author has contributed to research in topics: Josephson effect & Thin film. The author has an hindex of 11, co-authored 46 publications receiving 491 citations.
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Proximity effect in superconductor-insulator-superconductor Josephson tunnel junctions: Theory and experiment.
Alexandre Avraamovitch Golubov,Evert Pieter Houwman,J.G. Gijsbertsen,Vladimir M. Krasnov,J. Flokstra,Horst Rogalla,M. Yu. Kupriyanov +6 more
TL;DR: A microscopic model of the proximity effect in superconductor-insulator-superconductor (SS'IS"S) Josephson tunnel junctions has been developed and the current-voltage characteristics and the temperature dependence of the critical current and sum-gap voltage could be described quantitatively well.
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Quasiparticle lifetimes and tunneling times in a superconductor-insulator-superconductor tunnel junction with spatially inhomogeneous electrodes.
Alexandre Avraamovitch Golubov,Evert Pieter Houwman,J.G. Gijsbertsen,J. Flokstra,Horst Rogalla,J.B. Le grand,P. A. J. de Korte +6 more
TL;DR: The low-energy quasiparticle scattering and recombination lifetimes for a proximity sandwich of two superconductors with different bulk energy gaps, are calculated as a function of the spatial coordinate and temperature.
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High-Tc thin films prepared by laser ablation: material distribution and droplet problem
TL;DR: In this paper, the lateral material distribution of laser-deposited YBa2Cu3O7?? films and the density of droplets coming from the target were studied by varying the laser pulse energy, the laser spot size and the target-to-substrate distance.
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Preparation of YBaCuO thin films on various substrates by laser ablation: influence of the substrate temperature
TL;DR: In this article, high quality YBa2Cu3O7?? films were prepared in situ by laser ablation on SrTiO3 (100), on MgO (100) and on Si (111) + ZrO2 buffer layer.
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Field dependence of the Josephson current and Fiske resonances in specially shaped Josephson junctions
TL;DR: In this article, the authors investigated the magnetic-field dependence of the Josephson current and Fiske resonances in specially shaped Josephson junctions and showed that a properly chosen junction shape leads to the sidelobe suppression of both the critical current and fiske resonance amplitudes.