SKM 2023 – scientific programme

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TT: Fachverband Tiefe Temperaturen

TT 68: Focus Session: Making Experimental Data F.A.I.R. – New Concepts for Research Data Management II (joint session O/TT)

TT 68.3: Talk

Friday, March 31, 2023, 10:15–10:30, WIL A317

Multi-Dimensional Photoemission Spectroscopy: a concept for FAIR photoemission data — •Florian Dobener¹, Tommaso Pincelli^2,3, Abeer Arora^2,4, Steinn Ymir Augustsson⁵, Dmytro Kutnyakhov⁶, Michael Hartelt⁷, Laurenz Rettig¹, Martin Aeschlimann², Ralph Ernstorfer⁷, and Sandor Brockhauser^2,3 — ¹Department of Physics, HU Berlin, Germany — ²Fritz-Haber-Institut der Max-Planck-Gesellschaft, Berlin, Germany — ³Institut für Optik und Atomare Physik, TU Berlin, Germany — ⁴FU Berlin, Fachbereich Physik, Berlin, Germany — ⁵Institut für Physik, Johannes Gutenberg-Universität Mainz, Germany — ⁶DESY, Hamburg, Germany — ⁷Department of Physics and OPTIMAS, University of Kaiserslautern, Germany

The complexity and size of photoemission data is rapidly increasing as new technological breakthroughs have enabled multidimensional parallel acquisition. However, most of the community is currently using heterogeneous data formats and workflows. We propose a new data format based on NeXus, a hierarchically organized hdf5 structure. This multidimensional photoemission spectroscopy format is designed to allow high-performance automated access, enabling experimental databases for high-throughput material search. Our approach involves reaching out to the community using a website with extensive documentation of our proposed standard. As a demonstrator of the potential of our approach we present a workflow and data pipeline integrated into the NOMAD research data management solution, which provides powerful analysis and search functionalities.