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Instruments / Technical Area	Publication Details	Published
I13-1-Coherence I13-2-Diamond Manchester Imaging	New imaging opportunities at the Diamond beamline I13L Christoph Rau , Darren Batey , Silvia Cipiccia , Xiaowen Shi , Shashidhara Marathe , Malte Storm , Andrew J. Bodey , Marie-christine Zdora SPIE Optical Engineering + Applications, 2019 DOI: 10.1117/12.2543799 Show Abstract ▼ Abstract: The Diamond Beamline I13L is dedicated to micro- and nano- imaging, with two independently operating branchlines. The imaging branch preforms imaging in real space, with In-line phase contrast imaging and grating interferometry at micrometre resolution and full-field transmission microscopy up to 50nm spatial resolution. Highest spatial resolution is achieved on the coherence branchline, where diffraction imaging methods such as Ptychography and Bragg-CDI are performed. The article provides an update about the experimental capabilities at the beamline with an emphasis on the rapidly evolving ptychography capabilities. The latter has evolved to an user-friendly method with non-expert users able to explore their science without any specific a-priory knowledge.	Oct 2019
I13-1-Coherence I13-2-Diamond Manchester Imaging	Fast multi-scale imaging using the beamline I13L at the Diamond Light Source Christoph Rau , Malte Storm , Shashidhara Marathe , Andrew J. Bodey , Marie-christine Zdora , Silvia Cipiccia , Darren Batey , Xiaowen Shi , Sven Schroeder , Gunjan Das , Melanie Loveridge , Ralf Ziesche , Brian Connolly SPIE Optical Engineering + Applications, 2019 DOI: 10.1117/12.2543405 Show Abstract ▼ Abstract: The DIAMOND beamline I13L is dedicated to multi-scale and multi-modal imaging in real and reciprocal space. The beamline consists of two independently operating experimental stations, located at a distance of more than 200 m from the source. The Imaging Branch performs micro-tomography with in-line phase contrast in the 6-30 keV energy range. In addition, a grating interferometry setup and a full-field microscope for nano-tomography are currently implemented. Other techniques providing high-resolution three-dimensional information, in particular coherent X-ray diffraction, are hosted on the Coherence Branch. All imaging methods are tested to operate with large energy bandwidths and therefore shorter exposure times. To this end, two options are currently used: the so-called ‘pink-beam’ mode using a reflecting mirror and X-ray filters and monochromatic mode using a multilayer monochromator. The operation mode enables science for in-situ and operando studies across a wide range of scientific areas.	Oct 2019
I13-1-Coherence	Spectroscopic imaging with single acquisition ptychography and a hyperspectral detector Darren Batey , Silvia Cipiccia , Frederic Van Assche , Sander Vanheule , Juriaan Vanmechelen , Matthieu N. Boone , Christoph Rau Scientific Reports 9 DOI: 10.1038/s41598-019-48642-y Diamond Proposal Number(s): [22099] Open Access Show Abstract ▼ Abstract: We present a new method of single acquisition spectroscopic imaging with high spatial resolution. The technique is based on the combination of polychromatic synchrotron radiation and ptychographic imaging with a recently developed energy discriminating detector. We demonstrate the feasibility with a Ni-Cu test sample recorded at I13-1 of the Diamond Light Source, UK. The two elements can be clearly distinguished and the Ni absorption edge is identified. The results prove the feasibility of obtaining high-resolution structural and chemical images within a single acquisition using a polychromatic X-ray beam. The capability of resolving the absorption edge applies to a wide range of research areas, such as magnetic domains imaging and element specific investigations in biological, materials, and earth sciences. The method utilises the full available radiation spectrum and is therefore well suited for broadband radiation sources.	Aug 2019
I13-1-Coherence I18-Microfocus Spectroscopy	Provenance of uranium particulate contained within Fukushima Daiichi Nuclear Power Plant Unit 1 ejecta material Peter G. Martin , Marion Louvel , Silvia Cipiccia , Christopher P. Jones , Darren J. Batey , Keith R. Hallam , Ian A. X. Yang , Yukihiko Satou , Christoph Rau , J. Fred W. Mosselmans , David Richards , Thomas B. Scott Nature Communications 10, 2801 DOI: 10.1038/s41467-019-10937-z Diamond Proposal Number(s): [16701, 16702, 18186] Open Access Show Abstract ▼ Abstract: Here we report the results of multiple analytical techniques on sub-mm particulate material derived from Unit 1 of the Fukushima Daiichi Nuclear Power Plant to provide a better understanding of the events that occurred and the environmental legacy. Through combined x-ray fluorescence and absorption contrast micro-focused x-ray tomography, entrapped U particulate are observed to exist around the exterior circumference of the highly porous Si-based particle. Further synchrotron radiation analysis of a number of these entrapped particles shows them to exist as UO2—identical to reactor fuel, with confirmation of their nuclear origin shown via mass spectrometry analysis. While unlikely to represent an environmental or health hazard, such assertions would likely change should break-up of the Si-containing bulk particle occur. However, more important to the long-term decommissioning of the reactors at the FDNPP (and environmental clean-upon), is the knowledge that core integrity of reactor Unit 1 was compromised with nuclear material existing outside of the reactors primary containment.	Jun 2019

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