Journal
EUROPEAN PHYSICAL JOURNAL PLUS
Volume 136, Issue 4, Pages -Publisher
SPRINGER HEIDELBERG
DOI: 10.1140/epjp/s13360-021-01422-y
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Funding
- FEDER [PTDC/FIS-AQM/32536/2017]
- FCT (Portugal) [PTDC/FIS-AQM/32536/2017, PD/BD/128324/2017]
- FCT/MEC [UIDB/50025/2020, UIDP/50025/2020]
- FCT/MCTES/PIDDAC (Portugal) [UID/FIS/04559/2020]
- Fundação para a Ciência e a Tecnologia [PTDC/FIS-AQM/32536/2017, PD/BD/128324/2017] Funding Source: FCT
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This work demonstrates the novel application of the MicroPattern Gaseous Detector (2D-THCOBRA) in the cultural heritage field, showing its high spatial and energy resolution capabilities, making it a promising choice for elemental distribution analysis of large area cultural heritage samples.
In this work, we present a novel application of the full-field energy-dispersive X-ray fluorescence (EDXRF) imaging system based on a MicroPattern Gaseous Detector (2D-THCOBRA) in the cultural heritage field. The detector has an intrinsic imaging capability with spatial resolution of 400 mu m FWHM, and is energy sensitive, presenting an energy resolution of approximately 1 keV FWHM at 5.9keV. The full-field XRF scanner based on the 2D-THCOBRA detector allows mapping the distribution of elements in large area samples with high detection efficiency (75% at 5.9keV), being a very promising choice for elemental mapping analysis of large area cultural heritage samples. In this work, we have demonstrated the imaging capabilities of the full-field XRF scanner and used it to assess the restoration of a Portuguese faience piece.
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