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Title: Microspectroscopy beamline at the Australian synchrotron: design and capabilities.
Authors: Paterson, DJ
de Jonge, MD
McKinlay, J
Ryan, CG
Cohen, DD
Keywords: Synchrotrons
Energy range
Spatial resolution
Issue Date: Jul-2008
Citation: Paterson, D. J., de Jonge, M. D., McKinlay, J., Ryan, C. G., & Cohen, D. D. (2008). Microspectroscopy beamline at the Australian synchrotron: design and capabilities. 9th International Conference on X-Ray Microscopy (XRM2008), 21st – 26th July 2008. Zürich, Switzerland: ETH Zentrum.
Abstract: A hard x-ray micro-nanoprobe is being constructed at the Australian Synchrotron [1] to provide sub-micron spatial resolution across an energy range of 4.5–25 keV. The SXM will combine 2D mapping with μ-XRF, μ-XANES and μ-XAFS for elemental and chemical microanalysis. The primary design goal is to achieve sub-100 nm spatial resolution with DE/E ~10-4, and sub-ppm elemental sensitivity. The optical design is a novel “all horizontal” scheme [2]. Interchangeable Fresnel zone plates and Kirkpatrick-Baez mirrors will be used. An advanced fluorescence detector developed by BNL [3] and CSIRO [4] featuring a large solid-angle planar silicon array will enable count rates up to 108 events/sec and real-time processing with deconvoluted image projection. A differential phase contrast detection scheme [5] will be employed for quantitative measurement of soft matter [6]. The Microspectroscopy Beamline will commence operation in late 2008 and will accommodate a diverse range of environmental, biological and materials science applications to cater for the broad requirements of the Australian community. The design, anticipated performance and research applications will be discussed.
Gov't Doc #: 1035
Appears in Collections:Conference Publications

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