Spontaneously intermixed Al-Mg barriers enable corrosion-resistant Mg/SiC multilayer coatings
Abstract
Magnesium/silicon carbide (Mg/SiC) has the potential to be the best-performing reflective multilayercoating in the 25–80 nm wavelength region but suffers from Mg-related corrosion, an insidious problem which completely degrades reflectance. We have elucidated the origins and mechanisms of corrosion propagation within Mg/SiC multilayers. Based on our findings, we have demonstrated an efficient and simple-to-implement corrosion barrier for Mg/SiC multilayers. In conclusion, the barrier consists of nanometer-scale Mg and Al layers that intermix spontaneously to form a partially amorphous Al-Mg layer and is shown to prevent atmospheric corrosion while maintaining the unique combination of favorable Mg/SiC reflective properties.
- Authors:
-
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
- Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States); Consejo Superior de Investigaciones Cientificas, Madrid (Spain)
- Publication Date:
- Research Org.:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1266666
- Report Number(s):
- LLNL-JRNL-561992
Journal ID: ISSN 0003-6951
- Grant/Contract Number:
- AC52-07NA27344
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Applied Physics Letters
- Additional Journal Information:
- Journal Volume: 101; Journal Issue: 4; Journal ID: ISSN 0003-6951
- Publisher:
- American Institute of Physics (AIP)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; magnesium; corrosion; multilayers; carbides; silicon
Citation Formats
Soufli, Regina, Fernandez-Perea, Monica, Baker, Sherry L., Robinson, Jeff C., Alameda, Jennifer, and Walton, Christopher C. Spontaneously intermixed Al-Mg barriers enable corrosion-resistant Mg/SiC multilayer coatings. United States: N. p., 2012.
Web. doi:10.1063/1.4737649.
Soufli, Regina, Fernandez-Perea, Monica, Baker, Sherry L., Robinson, Jeff C., Alameda, Jennifer, & Walton, Christopher C. Spontaneously intermixed Al-Mg barriers enable corrosion-resistant Mg/SiC multilayer coatings. United States. https://doi.org/10.1063/1.4737649
Soufli, Regina, Fernandez-Perea, Monica, Baker, Sherry L., Robinson, Jeff C., Alameda, Jennifer, and Walton, Christopher C. Tue .
"Spontaneously intermixed Al-Mg barriers enable corrosion-resistant Mg/SiC multilayer coatings". United States. https://doi.org/10.1063/1.4737649. https://www.osti.gov/servlets/purl/1266666.
@article{osti_1266666,
title = {Spontaneously intermixed Al-Mg barriers enable corrosion-resistant Mg/SiC multilayer coatings},
author = {Soufli, Regina and Fernandez-Perea, Monica and Baker, Sherry L. and Robinson, Jeff C. and Alameda, Jennifer and Walton, Christopher C.},
abstractNote = {Magnesium/silicon carbide (Mg/SiC) has the potential to be the best-performing reflective multilayercoating in the 25–80 nm wavelength region but suffers from Mg-related corrosion, an insidious problem which completely degrades reflectance. We have elucidated the origins and mechanisms of corrosion propagation within Mg/SiC multilayers. Based on our findings, we have demonstrated an efficient and simple-to-implement corrosion barrier for Mg/SiC multilayers. In conclusion, the barrier consists of nanometer-scale Mg and Al layers that intermix spontaneously to form a partially amorphous Al-Mg layer and is shown to prevent atmospheric corrosion while maintaining the unique combination of favorable Mg/SiC reflective properties.},
doi = {10.1063/1.4737649},
journal = {Applied Physics Letters},
number = 4,
volume = 101,
place = {United States},
year = {Tue Jul 24 00:00:00 EDT 2012},
month = {Tue Jul 24 00:00:00 EDT 2012}
}
Web of Science
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