Dresden 2014 – wissenschaftliches Programm
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MI: Fachverband Mikrosonden
MI 8: Poster: Microanalysis and Microscopy
MI 8.9: Poster
Mittwoch, 2. April 2014, 17:00–19:30, P4
Status and upgrades of the MAXYMUS X-ray microscope — •Iuliia Bykova, Markus Weigand, Michael Bechtel, Claudia Stahl, Eberhard Goering, and Gisela Schütz — Max-Plank-Institute for Intelligent Systems, Stuttgart, Germany
MAXYMUS is an Ultra-High Vacuum (UHV) Scanning Transmission X-ray Microscope (STXM) operated by the MPI for Intelligent Systems at a dedicated soft X-ray undulator beamline at the Bessy II synchrotron (Berlin, Germany) with the feasibility of high brightness and selectable polarization measurements. MAXYMUS is a fully UHV compatible and sensitive for surface current measurements at pressures below 5·10−9 mBar. Also, it is custom-built photon counting and synchronization setup that allows efficient time resolved experiments with the resolution of < 100 ps. These characteristics make MAXYMUS one of the world leading devices in magnetic imaging. We will show results which were obtained due to mentioned features as well as additional options like adjustable magnetic field setups, goniometric and cryostat sample holders, enabling sample temperatures of 80 to 500 K. Currently, MAXYMUS is undergoing an extensive upgrade, which includes the introduction of a new control software and interferometer feedback system as well as a fast in-vacuum CCD camera. The capability of energy-sensitive single photon detection at rates up to 1000 fps will allow drastic increase in resolution and throughput by the use of ptychography and soft X-ray fluorescent microscopy.