4.4 Article

Quantitative surface structure determination using in situ high-energy SXRD: Surface oxide formation on Pd(100) during catalytic CO oxidation

Journal

SURFACE SCIENCE
Volume 630, Issue -, Pages 229-235

Publisher

ELSEVIER
DOI: 10.1016/j.susc.2014.08.021

Keywords

HESXRD; SXRD; Pd; PdO; CO oxidation; Heterogeneous catalysis

Funding

  1. Swedish Research Council [349-2011-6491]
  2. Swedish Foundation for Strategic Research (SSF) [RMA06-0085]
  3. Crafoord foundation [20130825]
  4. Knut and Alice Wallenberg foundation [2003.0217]
  5. Anna and Edwin Berger foundation
  6. BMBF [05K10PS1 NanoXcat]

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We have performed a quantitative structure determination of the (root 5 x root 5) R27 degrees surface oxide, formed on Pd(100) under semi-realistic conditions for catalytic CO oxidation, using in situ high-energy surface X-ray diffraction. We describe the experiment and the extraction of quantitative data in detail. The structural results are in agreement with previous reports of a system consisting of a single layer of PdO(101) formed in pure O-2 on top of Pd(100) and studied under ultra-high vacuum conditions. (C) 2014 The Authors. Published by Elsevier B.V.

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