DataVXACS Applied Materials & InterfacesPaper
journal article·2018-10-10

Morphological and Functional Modifications of Optical Thin Films for Space Applications Irradiated with Low-Energy Helium Ions

M. G. Pelizzo, A. J. Corso, E. Tessarolo, R. Böttger, R. Hübner, E. Napolitani, M. Bazzan, M. Rancan, L. Armelao, W. Jark, D. Eichert, A. Martucci

ACS Applied Materials & Interfaces· Volume 10· Issue 40
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Source abstract

Abstract

Future space missions will operate in increasingly hostile environments, such as those in low-perihelion solar orbits and Jovian magnetosphere. This exploration involves the selection of optical materials and components resistant to the environmental agents. The conditions in space are reproduced on ground through the use of ion accelerators. The effects of He particles coming from the solar wind impinging on a gold thin film have been systematically investigated, considering absorbed doses compatible with the duration of the European Space Agency Solar Orbiter mission. Structural and morphological changes have been proved to be dependent not only on the dose but also on the irradiation flux. A predictive model of the variation of thin film reflectance has been developed for the case of lower flux irradiation. The results are discussed regarding reliability and limitations of laboratory testing. The outcomes are important to address the procedures for the space qualification tests of optical coatings.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Laser-induced spectroscopy and plasma · Plasma Diagnostics and Applications · Diamond and Carbon-based Materials Research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Istituto di Fotonica e Nanotecnologie, Consiglio Nazionale delle Ricerche, via Trasea 7, 35131 Padova, Italy

Dipartimento di Ingegneria dell’Informazione, Università degli Studi di Padova, via Gradenigo 6B, 35131 Padova, Italy

Institute of Ion Beam Physics and Materials Research Ion Beam Center, Helmholtz-Zentrum Dresden-Rossendorf, Bautzner Landstraße 400, 01328 Dresden, Germany

Dipartimento di Fisica e Astronomia, Università degli Studi di Padova, via Marzolo 8, 35131 Padova, Italy

Elettra—Sincrotrone Trieste, S.S. 14 Km 163.5 in Area Science Park, 34149 Trieste, Italy

Dipartimento di Ingegneria Industriale, Università degli Studi di Padova, via Marzolo 9, 35131 Padova, Italy

Funding

European Space Agency · Agenzia Spaziale Italiana

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