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EnglishWe report on the effects of 3.5 MeV proton irradiation on single crystals of the magnetic superconductor EuFe2(As1- x Px)2, investigated at microwave frequencies by a coplanar waveguide resonator technique. We studied the relative strength of the two collective phenomena by analyzing the dependence of their onset temperatures on different perturbations: magnetic fields and structural disorder. Results suggest that superconductivity and magnetism in this material are two competing orders: as the former is suppressed by irradiation or by excess P doping, the latter reinforces and manifests itself at higher temperatures. The ability to modulate superconductivity and magnetism in EuFe2(As1-xPx)2 by disorder and in-plane magnetic field, respectively, offers the chance to tailor, even on a local scale, their relative weights. This could be useful for the aim of engineering this material for specific applications.
Effects of proton irradiation on the magnetic superconductor EuFe2(As1-xPx)2 / Ghigo, Gianluca; Torsello, Daniele; Gerbaldo, Roberto; Gozzelino, Laura; Pyon, Sunseng; S Veshchunov, I; Tamegai, Tsuyoshi; Cao, Guanghan. - In: SUPERCONDUCTOR SCIENCE & TECHNOLOGY. - ISSN 0953-2048. - 33(2020), p. 094011. [10.1088/1361-6668/aba355]
| Titolo: | Effects of proton irradiation on the magnetic superconductor EuFe2(As1-xPx)2 | |
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| Data di pubblicazione: | 2020 | |
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| Digital Object Identifier (DOI): | http://dx.doi.org/10.1088/1361-6668/aba355 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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| File | Descrizione | Tipologia | Licenza | |
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| Ghigo_2020_Supercond._Sci._Technol._33_094011.pdf | 2a Post-print versione editoriale / Version of Record | Non Pubblico - Accesso privato/ristretto | Administrator Richiedi una copia |
http://hdl.handle.net/11583/2842754
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