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                          <header>
                              <identifier>oai:research.chalmers.se:504936</identifier>
                              <datestamp>2019-02-19T12:59:44Z</datestamp>
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                          <metadata>
                              <oai_dc:dc xmlns:oai_dc="http://www.openarchives.org/OAI/2.0/oai_dc/" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd">
                                  <dc:title>Influence of atomic site-specific strain on catalytic activity of supported nanoparticles</dc:title>
                                  <dc:identifier>https://research.chalmers.se/en/publication/d430e668-6e52-4b1e-b314-adfe00bfa444</dc:identifier>
                                  <dc:date>2018</dc:date>
                                              <dc:creator>Nilsson Pingel, Torben</dc:creator>
                                              <dc:creator>Jørgensen, Mikkel</dc:creator>
                                              <dc:creator>Yankovich, Andrew</dc:creator>
                                              <dc:creator>Grönbeck, Henrik</dc:creator>
                                              <dc:creator>Olsson, Eva</dc:creator>
                                                  <dc:subject>Physical Sciences</dc:subject>
                                                  <dc:subject>Theoretical Chemistry</dc:subject>
                                                  <dc:subject>Condensed Matter Physics</dc:subject>
                                              <dc:subject>Transmission Electron Microscopy</dc:subject>
                                              <dc:subject>Heterogeneous Catalysis</dc:subject>
                                              <dc:subject>Supported Pt Nanoparticles</dc:subject>
                                              <dc:subject>Density Functional Theory</dc:subject>
                                              <dc:subject>Kinetic Monte Carlo</dc:subject>
                                              <dc:subject>CO oxidation</dc:subject>
                                          <dc:description>Heterogeneous catalysis is an enabling technology that utilises transition metal nanoparticles (NPs) supported on oxides to promote chemical reactions. Structural mismatch at the NP–support interface generates lattice strain that could affect catalytic properties. However, detailed knowledge about strain in supported NPs remains elusive. We experimentally measure the strain at interfaces, surfaces and defects in Pt NPs supported on alumina and ceria with atomic resolution using high-precision scanning transmission electron microscopy. The largest strains are observed at the interfaces and are predominantly compressive. Atomic models of Pt NPs with experimentally measured strain distributions are used for firstprinciples kinetic Monte Carlo simulations of the CO oxidation reaction. The presence of only a fraction of strained surface atoms is found to affect the turnover frequency. These results provide a quantitative understanding of the relationship between strain and catalytic function and demonstrate that strain engineering can potentially be used for catalyst design.</dc:description>
                                                                  <dc:relation>info:eu-repo/grantAgreement/EC/FP7/312483//Enabling Science and Technology through European Electron Microscopy (ESTEEM 2)/</dc:relation>
                                                  <dc:relation>info:eu-repo/semantics/altIdentifier/pmid/30006550</dc:relation>
                                                  <dc:relation>info:eu-repo/semantics/altIdentifier/doi/10.1038/s41467-018-05055-1</dc:relation>
                                          <dc:type>info:eu-repo/semantics/article</dc:type>
                                          <dc:source>Nature Communications (2041-1723) vol.9(2018)</dc:source>
                                                      <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
  <dc:language>eng</dc:language>
                                  <dc:audience>Researchers</dc:audience>
                                  <dc:format>application/pdf</dc:format>
                              </oai_dc:dc>
                          </metadata>
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