| 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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Lang, Wolfgang
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (24/24 displayed)
- 2023Phase purity and surface morphology of high-Jc superconducting Bi2Sr2Ca1Cu2O8+δ thin filmscitations
- 2023Angle-dependent Magnetoresistance of an Ordered Bose Glass of Vortices in YBa2Cu3O7-δ Thin Films with a Periodic Pinning Latticecitations
- 2023Applied Surface Science / Phase purity and surface morphology of high-Jc superconducting Bi2Sr2Ca1Cu2O8+δ thin filmscitations
- 2020Angular magnetic-field dependence of vortex matching in pinning lattices fabricated by focused or masked helium ion beam irradiation of superconducting YBa2Cu3O7-δ thin filmscitations
- 2018Transverse vortex commensurability effect and sign change of the Hall voltage in superconducting YBa2Cu3O7−δ thin films with a nanoscale periodic pinning landscapecitations
- 2017Superconducting order parameter fluctuations in NbN/NiCu and NbTiN/NiCu bilayer nanostripes for photon detectioncitations
- 2015Superconducting and ferromagnetic properties of NbN/NiCu and NbTiN/NiCu bilayer nanostructures for photon detectioncitations
- 2014Strong vortex matching effects in YBCO films with periodic modulations of the superconducting order parameter fabricated by masked ion irradiationcitations
- 2012Ion beam irradiation of cuprate high-temperature superconductors: Systematic modification of the electrical properties and fabrication of nanopatternscitations
- 2012Non-ohmic electrical transport properties above the critical temperature in optimally and underdoped superconducting YBa2Cu3O6+xcitations
- 2010Optically induced changes and long-term relaxations of resistivity and critical temperature in He+ irradiated YBa2Cu3Oxcitations
- 2010Surface planarization and masked ion-beam structuring of YBa2Cu3O7 thin filmscitations
- 2010Modification and nano-patterning of high-Tc superconducting thin films by masked ion beam irradiationcitations
- 2009Masked ion beam irradiation of high-temperature superconductors: patterning of nano-size regions with high point-defect densitycitations
- 2008Photodoping of YBa2Cu3Ox: Dependence on temperature and photon energycitations
- 2006Ion-beam modification of high-temperature superconductor thin films for the fabrication of superconductive nanodevices
- 2006Non-exponential optical modification of the electrical properties in oxygen-deficient YBa2Cu3Ox
- 2006Angle dependence of the Hall effect in HgBa2 CaCu2 O6 thin filmscitations
- 2006Ion-beam direct-structuring of high-temperature superconductorscitations
- 2006Angle-dependence of the Hall effect in Hg-Ba-Ca-Cu-O thin films
- 2004Tailoring the transport properties of YBa2Cu3O7-δ thin films by light-ion irradiation
- 2002Electrical properties, texture, and microstructure of vicinal YBa2Cu3O7-δ thin filmscitations
- 2001Pulsed-laser deposition and characterization of high-temperature superconducting films
- 2000Double sign reversal of the vortex Hall effect in YBa2Cu3O7-δ thin films in the strong pinning limit of low magnetic fieldscitations
Places of action
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article
Ion beam irradiation of cuprate high-temperature superconductors: Systematic modification of the electrical properties and fabrication of nanopatterns
Abstract
Irradiation of thin films of the cuprate high-temperature superconductor YBa<sub>2</sub>Cu<sub>3</sub>O<sub>7-</sub>δ (YBCO) with 75 keV He<sup>+</sup> ions leads to an exponential increase of the resistivity and a non-linear decrease of the critical temperature. At a fluence above 3 x 10<sup>15</sup> cm<sup>-2</sup> the material becomes semiconducting. Calculations of ion-target interactions using the MARLOWE code indicated that these effects are due to the creation of point defects, primarily by displacing oxygen atoms, and that the lateral broadening of the ion's collision cascades is smaller than 10 nm in a 100 nm thick YBCO film. Irradiating a YBCO film through a silicon stencil mask with minimum aperture of 125 nm placed on top of the sample results in a local modification of its electrical properties. We demonstrate that this technique can be used to produce patterns of sub-100 nm size, visualized by scanning electron microscopy and conductive atomic force microscopy. This simple one-step process does not require the removal of target material and avoids the contamination problems associated with chemical etching and focused ion beam techniques.