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Figure 9
(a) Valence band spectra of Pt(111) surface before, during and after exposure to hydrogen gas. The vertical bars indicate positions of the new features that appear upon exposure to H2, indicating the presence of H—Pt bonds. (b) Valence band spectrum of H2 gas phase. Both spectra are measured using a photon energy of 70 eV.

Journal logoJOURNAL OF
SYNCHROTRON
RADIATION
ISSN: 1600-5775
Volume 28| Part 2| March 2021| Pages 588-601
https://doi.org/10.1107/S1600577521000564
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