Dresden 2017 – scientific programme
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MA: Fachverband Magnetismus
MA 62: Magnetic Imaging (Experimental Techniques)
MA 62.1: Talk
Friday, March 24, 2017, 09:30–09:45, HSZ 403
Development of a X-ray zone plate microscope for magnetic domain imaging in the EUV range — •Andreas Schümmer1, Markus Gilbert1, Christine Jansing1, Hans-Christoph Mertins1, Roman Adam2, Claus Schneider2, Larissa Juschkin3, Carsten Westphal4, Ulf Berges4, and Sven Stempfhuber4 — 1University of Applied Sciences, FH Münster, 48565 Steinfurt, Germany — 2Forschungszentrum Jülich, Peter Grünberg Institut (PGI-6), 52428 Jülich, Germany — 3Rheinisch-Westfälische Technische Hochschule Aachen, 52062 Aachen, Germany — 4TU Dortmund, Zentrum für Synchrotronstrahlung, 44227 Dortmund, Germany
We present the current development of a Scanning Reflection X-ray Microscope (SRXM) based on zone plate focusing in the extreme ultraviolet (EUV) spectral range at the DELTA beamline 12. The SRXM is dedicated to magnetic domain imaging in magnetic films, surface of thick samples and buried layers exploiting magneto-optical reflection spectroscopy employing T-MOKE, L-MOKE, XMLD and XMCD [1]. We present the construction of the microscope and discuss the fabrication of zone plates using absorbing gold structures as well as phase shifting PMMA structures. Both variants are designed for EUV applications across the Fe 3p to Ni 3p edges and are deposited on Si3N4 membranes. Ray tracing calculations for the beamline including zone plate optics are presented as well. [1] M. Tesch, M. Gilbert, H - Ch. Mertins, D. Bürgler et al., Appl. Opt. 52, 4294 (2013)