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Damage threshold of inorganic solids under free-electron-laser irradiation at 32.5 nm wavelength
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2007 (English)In: Applied Physics Letters, ISSN 0003-6951, E-ISSN 1077-3118, Vol. 90, no 17, 173128- p.Article in journal (Refereed) Published
Abstract [en]

Samples of B4C, amorphous C, chemical-vapor-deposition-diamond C, Si, and SiC were exposed to single 25 fs long pulses of 32.5 nm free-electron-laser radiation at fluences of up to 2.2 J/cm(2). The samples were chosen as candidate materials for x-ray free-electron-laser optics. It was found that the threshold for surface damage is on the order of the fluence required for thermal melting. For larger fluences, the crater depths correspond to temperatures on the order of the critical temperature, suggesting that the craters are formed by two-phase vaporization.

Place, publisher, year, edition, pages
2007. Vol. 90, no 17, 173128- p.
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Physical Sciences
URN: urn:nbn:se:uu:diva-144944DOI: 10.1063/1.2734366ISI: 000246568600119OAI: oai:DiVA.org:uu-144944DiVA: diva2:395119
Available from: 2011-02-04 Created: 2011-02-04 Last updated: 2016-04-12Bibliographically approved

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Caleman, Carl
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