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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Seller, P.
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2017Performance comparison of small-pixel CdZnTe radiation detectors with gold contacts formed by sputter and electroless depositioncitations
- 2015Full-field energy-dispersive powder diffraction imaging using laboratory X-rayscitations
- 2014Dark-field hyperspectral X-ray imagingcitations
- 2013A multi-technique characterization of electroless gold contacts on single crystal CdZnTe radiation detectorscitations
- 2006The manufacture of a very high precision X-ray collimator array for rapid tomographic energy dispersive diffraction imaging (TEDDI)citations
- 2002Performance of an energy resolving X-ray pixel detectorcitations
- 2002Charge sharing in silicon pixel detectorscitations
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article
Full-field energy-dispersive powder diffraction imaging using laboratory X-rays
Abstract
A laboratory instrument with the ability to spatially resolve energy-dispersed X-ray powder diffraction patterns taken in a single snapshot has been developed. The experimental arrangement is based on a pinhole camera coupled with a pixelated spectral X-ray detector. Collimation of the diffracted beam is defined by the area of the footprint of a detector pixel and the diameter of the pinhole aperture. Each pixel in the image, therefore, contains an energy-dispersed powder diffraction pattern. This new X-ray imaging technique enables spatial mapping of crystallinity, crystalline texture or crystalline phases from within a sample. Validation of the method has been carried out with a back-to-back comparison with crystalline texture mapping local to a friction stir weld in an aluminium alloy taken using synchrotron radiation.