Issue 19, 2015

Low-absorption, multi-layered scintillating material for high resolution real-time X-ray beam analysis

Abstract

For online X-ray beam analysis, we introduce a functional device, a multilayer scintillating screen, that succeeds in satisfying three important criteria: high X-ray transparency and high overall efficiency, which are not easily reconcilable using existing devices, as well as high spatial resolution capability. It combines a porous alumina substrate, an optical gold interposer of few nm and an efficient scintillating material (Lu2O3:Eu3+) 450 nm thick. Both layers are deposited using pulsed laser deposition. This multilayer device enables high resolution X-ray imaging while X-ray transparency is preserved to 90% even at 15 keV. Such a device is suitable for real-time X-ray beam analysis at high frequency and is a breakthrough for real-time X-ray beam corrections for most of the synchrotron experiments.

Graphical abstract: Low-absorption, multi-layered scintillating material for high resolution real-time X-ray beam analysis

Article information

Article type
Paper
Submitted
13 Jan 2015
Accepted
13 Apr 2015
First published
13 Apr 2015

J. Mater. Chem. C, 2015,3, 4954-4959

Author version available

Low-absorption, multi-layered scintillating material for high resolution real-time X-ray beam analysis

A. Pereira, T. Martin, M. Levinta and C. Dujardin, J. Mater. Chem. C, 2015, 3, 4954 DOI: 10.1039/C5TC00121H

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