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Proceedings Paper

In situ study of multilayer reflectivity upon heat treatment under synchrotron radiation
Author(s): Christine Borel; Christian Morawe; Eric Ziegler; Thierry Bigault; Jean-Yves Massonnat; Jean-Christophe Peffen; Emilie Debourg
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Paper Abstract

Periodic multilayers deposited by Distributed Electron Cyclotron Resonance (DECR) sputtering were studied with synchrotron radiation at the ESRF bending magnet beam line BM5. In situ reflectivity measurements at a photon energy of 20keV have been carried out on these samples during a specific heat treatment. A dedicated furnace has been developed to heat the multilayers under vacuum from room temperature up to 550°C. [Ru/B4C]70 and [W/B4C]40 samples with repetition periods of about 4nm were chosen. Simulations of reflectivity measurements were performed to understand the evolution of layer thicknesses and interface widths. Additional ex-situ reflectivity measurements were done at 8keV before and after the annealing experiments to investigate irreversible effects. We will discuss the heat impact on the layered structure and in which way multilayer optics could be thermally pre-treated before their installation on synchrotron beam lines.

Paper Details

Date Published: 31 August 2005
PDF: 10 pages
Proc. SPIE 5918, Laser-Generated, Synchrotron, and Other Laboratory X-Ray and EUV Sources, Optics, and Applications II, 591801 (31 August 2005); doi: 10.1117/12.613873
Show Author Affiliations
Christine Borel, European Synchrotron Radiation Facility (France)
Christian Morawe, European Synchrotron Radiation Facility (France)
Eric Ziegler, European Synchrotron Radiation Facility (France)
Thierry Bigault, Institute Laue-Langevin (France)
Jean-Yves Massonnat, European Synchrotron Radiation Facility (France)
Jean-Christophe Peffen, European Synchrotron Radiation Facility (France)
Emilie Debourg, European Synchrotron Radiation Facility (France)

Published in SPIE Proceedings Vol. 5918:
Laser-Generated, Synchrotron, and Other Laboratory X-Ray and EUV Sources, Optics, and Applications II
George A. Kyrala; Jean-Claude J. Gauthier; Carolyn A. MacDonald; Ali M. Khounsary, Editor(s)

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