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The European Synchrotron Radiation Facility (ESRF) has recently commissioned the new Extremely Brilliant Source (EBS). The gain in brightness as well as the continuous development of beamline instruments boosts the beamline performances, in particular in terms of accelerated data acquisition. This has motivated the development of new access modes as an alternative to standard proposals for access to beamtime, in particular via the “block allocation group” (BAG) mode. Here, we present the recently implemented “historical materials BAG”: a community proposal giving to 10 European institutes the opportunity for guaranteed beamtime at two X-ray powder diffraction (XRPD) beamlines—ID13, for 2D high lateral resolution XRPD mapping, and ID22 for high angular resolution XRPD bulk analyses—with a particular focus on applications to cultural heritage. The capabilities offered by these instruments, the specific hardware and software developments to facilitate and speed-up data acquisition and data processing are detailed, and the first results from this new access are illustrated with recent applications to pigments, paintings, ceramics and wood., Team Joris Dik

(This article belongs to the Special Issue Advances in Analytical Strategies to Study Cultural Heritage Samples), The European Synchrotron Radiation Facility (ESRF) has recently commissioned the new Extremely Brilliant Source (EBS). The gain in brightness as well as the continuous development of beamline instruments boosts the beamline performances, in particular in terms of accelerated data acquisition. This has motivated the development of new access modes as an alternative to standard proposals for access to beamtime, in particular via the “block allocation group” (BAG) mode. Here, we present the recently implemented “historical materials BAG”: a community proposal giving to 10 European institutes the opportunity for guaranteed beamtime at two X-ray powder diffraction (XRPD) beamlines—ID13, for 2D high lateral resolution XRPD mapping, and ID22 for high angular resolution XRPD bulk analyses—with a particular focus on applications to cultural heritage. The capabilities offered by these instruments, the specific hardware and software developments to facilitate and speed-up data acquisition and data processing are detailed, and the first results from this new access are illustrated with recent applications to pigments, paintings, ceramics and wood., The Historical materials BAG has been implemented with support from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 870313, Streamline, which also supports APC. L. H. is funded via the PANOSC project (European Union’s Horizon 2020 Research and Innovation programme under Grant Agreement No. 823852). I. F. is funded by a grant from the Marie Skłodowska-Curie COFUND Programme “InnovaXN” (contract number 847439 with the European Commission). The ESRF beamtime was granted through the peer-review BAG proposal HG-172 at ID13 and ID22 and in-house beamtime at ID21. The project on wood vessels received financial support from MINECO (Spain), Ref. PID2019-105823RB-I00. The project on cadmium red pigments was financially supported from the Horizon 2020 project IPERION-HS (H2020-INFRAIA-2019-1, GA No. 871034) and the Italian project AMIS (Dipartimenti di Eccellenza 2018–2022, funded by MIUR and Perugia University). V.G. has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement No 945298-ParisRegionFP. E.A.C. and K.J. would like to acknowledge the project Smart*Light funded by the Interreg V Flanders-Netherlands program with financial support from the European Regional Development Fund (ERDF) for funding in assessing the damage caused by X-rays to model paints. K.J. acknowledges FWO (Brussels) for financial support through grants G054719N and I001919N. F.V. and K.J. acknowledge BELSPO (Brussels) for funding of the FEDtWIN mandate Macro-Imaging. C.C. (Christelle Chauffeton) is grateful to the Fondation Bettencourt-Schueller and the Cité de la Céramique Sèvres-Limoges, France for founding her work in the frame of her PhD thesis. A part of this study has been funded by the Grant-in-Aid for Scientific Research [18700680], JSPS Grant-in-Aid for Young Scientists (B) from the Ministry of Education, Culture, Sports, Science and Technology of Japan., Peer Reviewed, Article signat per 28 autors/es: Marine Cotte, Victor Gonzalez, Frederik Vanmeert, Letizia Monico, Catherine Dejoie, Manfred Burghammer, Loïc Huder, Wout de Nolf, Stuart Fisher, Ida Fazlic, Christelle Chauffeton, Gilles Wallez, Núria Jiménez, Francesc Albert-Tortosa, Nati Salvadó, Elena Possenti, Chiara Colombo, Marta Ghirardello, Daniela Comelli, Ermanno Avranovich Clerici, Riccardo Vivani, Aldo Romani, Claudio Costantino, Koen Janssens, Yoko Taniguchi, Joanne McCarthy, Harald Reichert and Jean Susini., Postprint (published version)