Authors
Lenart Dudy, Elisa Auffray, Jean-Jacques Gallet, Fabrice Bournel, Meryem Bouaziz, Bongjin Simon Mun, Subin Jang, Yuki Tsujikawa, Hiroshi Kondoh, Valentin Mischke, Philipp Keßler, Vedran Jovic, Simon Moser, Sven Maehl
Published in
The Review of scientific instruments. Volume 97. Issue 10. Oct 01, 2026.
Abstract
We present a fully operational near-ambient pressure angle-resolved photoemission spectroscopy (NAP-ARPES) setup for operando studies of surface band structures under gas exposure at the TEMPO beamline of Synchrotron SOLEIL. The system integrates a SPECS PHOIBOS 150 NAP analyzer with multi-stage differential pumping and precise sample manipulation, enabling momentum-resolved electronic structure measurements under conditions approaching realistic environments. Commissioning experiments on graphite, ZnO(10-10), Cu(111), and Ru(0001) demonstrate operando capabilities, including reversible hydrogenation and adsorbate-induced modifications to the band structure. By bridging the gap between conventional UHV ARPES and operando surface science, this development provides a robust platform for investigating catalytic surfaces, energy conversion materials, and reactive interfaces under near-ambient conditions.
PMID:
42853018
Bibliographic data and abstract were imported from PubMed on 09 Oct 2026.
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