Dependence of the damage in optical metal/dielectric coatings on the energy of ions in irradiation experiments for space qualification

Abstract Terrestrial accelerator facilities can generate ion beams which enable the testing of the resistance of materials and thin film coatings to be used in the space environment. In this work, a $$\hbox {TiO}_2$$ TiO 2 /Al bi-layer coating has been irradiated with a $$\hbox {He}^+$$ He + beam at...

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Autores principales:	Maria G. Pelizzo, Alain J. Corso, Giovanni Santi, René Hübner, Denis Garoli, Dominic Doyle, Philip Lubin, Alexander N. Cohen, Jacob Erlikhman, Giulio Favaro, Marco Bazzan, Jon Drobny, Davide Curreli, Maxim Umansky
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/735a2e62399c4bb1a6c908273c9b7a3a
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spelling	oai:doaj.org-article:735a2e62399c4bb1a6c908273c9b7a3a2021-12-02T13:30:27ZDependence of the damage in optical metal/dielectric coatings on the energy of ions in irradiation experiments for space qualification10.1038/s41598-021-82860-72045-2322https://doaj.org/article/735a2e62399c4bb1a6c908273c9b7a3a2021-02-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-82860-7https://doaj.org/toc/2045-2322Abstract Terrestrial accelerator facilities can generate ion beams which enable the testing of the resistance of materials and thin film coatings to be used in the space environment. In this work, a $$\hbox {TiO}_2$$ TiO 2 /Al bi-layer coating has been irradiated with a $$\hbox {He}^+$$ He + beam at three different energies. The same flux and dose have been used in order to investigate the damage dependence on the energy. The energies were selected to be in the range 4–100 keV, in order to consider those associated to the quiet solar wind and to the particles present in the near-Earth space environment. The optical, morphological and structural modifications have been investigated by using various techniques. Surprisingly, the most damaged sample is the one irradiated at the intermediate energy, which, on the other hand, corresponds to the case in which the interface between the two layers is more stressed. Results demonstrate that ion energies for irradiation tests must be carefully selected to properly qualify space components.Maria G. PelizzoAlain J. CorsoGiovanni SantiRené HübnerDenis GaroliDominic DoylePhilip LubinAlexander N. CohenJacob ErlikhmanGiulio FavaroMarco BazzanJon DrobnyDavide CurreliMaxim UmanskyNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Maria G. Pelizzo Alain J. Corso Giovanni Santi René Hübner Denis Garoli Dominic Doyle Philip Lubin Alexander N. Cohen Jacob Erlikhman Giulio Favaro Marco Bazzan Jon Drobny Davide Curreli Maxim Umansky Dependence of the damage in optical metal/dielectric coatings on the energy of ions in irradiation experiments for space qualification
description	Abstract Terrestrial accelerator facilities can generate ion beams which enable the testing of the resistance of materials and thin film coatings to be used in the space environment. In this work, a $$\hbox {TiO}_2$$ TiO 2 /Al bi-layer coating has been irradiated with a $$\hbox {He}^+$$ He + beam at three different energies. The same flux and dose have been used in order to investigate the damage dependence on the energy. The energies were selected to be in the range 4–100 keV, in order to consider those associated to the quiet solar wind and to the particles present in the near-Earth space environment. The optical, morphological and structural modifications have been investigated by using various techniques. Surprisingly, the most damaged sample is the one irradiated at the intermediate energy, which, on the other hand, corresponds to the case in which the interface between the two layers is more stressed. Results demonstrate that ion energies for irradiation tests must be carefully selected to properly qualify space components.
format	article
author	Maria G. Pelizzo Alain J. Corso Giovanni Santi René Hübner Denis Garoli Dominic Doyle Philip Lubin Alexander N. Cohen Jacob Erlikhman Giulio Favaro Marco Bazzan Jon Drobny Davide Curreli Maxim Umansky
author_facet	Maria G. Pelizzo Alain J. Corso Giovanni Santi René Hübner Denis Garoli Dominic Doyle Philip Lubin Alexander N. Cohen Jacob Erlikhman Giulio Favaro Marco Bazzan Jon Drobny Davide Curreli Maxim Umansky
author_sort	Maria G. Pelizzo
title	Dependence of the damage in optical metal/dielectric coatings on the energy of ions in irradiation experiments for space qualification
title_short	Dependence of the damage in optical metal/dielectric coatings on the energy of ions in irradiation experiments for space qualification
title_full	Dependence of the damage in optical metal/dielectric coatings on the energy of ions in irradiation experiments for space qualification
title_fullStr	Dependence of the damage in optical metal/dielectric coatings on the energy of ions in irradiation experiments for space qualification
title_full_unstemmed	Dependence of the damage in optical metal/dielectric coatings on the energy of ions in irradiation experiments for space qualification
title_sort	dependence of the damage in optical metal/dielectric coatings on the energy of ions in irradiation experiments for space qualification
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/735a2e62399c4bb1a6c908273c9b7a3a
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Dependence of the damage in optical metal/dielectric coatings on the energy of ions in irradiation experiments for space qualification

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