Ultra-short-period WC/SiC multilayer coatings for x-ray applications

M. Fernandez-Perea, M. J. Pivovaroff, R. Soufli, J. Alameda, P. Mirkarimi, M.-A. Descalle, S. L. Baker, T. McCarville, K. Ziock, D. Hornback, S. Romaine, R. Bruni, Z. Zhong, V. Honkimäki, E. Ziegler, Anders Clemen Jakobsen

    Research output: Contribution to journalConference articleResearchpeer-review

    Abstract

    Multilayercoatings enhance x-ray mirror performance at incidence angles steeper than the critical angle, allowing for improved flux, design flexibility and facilitating alignment. In an attempt to extend the use of multilayercoatings to photon energies higher than previously achieved, we have developed multilayers with ultra-shortperiods between 1 and 2 nm based on the material system WC/SiC. This material system was selected because it possesses very sharp and stable interfaces. In this article, we show highlights from a series of experiments performed in order to characterize the stress, microstructure and morphology of the multilayer films, as well as their reflective performance at photon energies from 8 to 384 keV.
    Original languageEnglish
    JournalNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
    Volume710
    Pages (from-to)114-119
    ISSN0168-9002
    DOIs
    Publication statusPublished - 2013
    Event4th International Workshop on Metrology for X-ray Optics - Barcelona, Spain
    Duration: 4 Jul 20126 Jul 2012
    Conference number: 4

    Conference

    Conference4th International Workshop on Metrology for X-ray Optics
    Number4
    Country/TerritorySpain
    CityBarcelona
    Period04/07/201206/07/2012

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