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dc.contributor.authorMugarza, Aitor-
dc.contributor.authorShimizu, Tomoko K.-
dc.contributor.authorCabrera-Sanfélix, Pepa-
dc.contributor.authorSánchez-Portal, Daniel-
dc.contributor.authorArnau, Andrés-
dc.contributor.authorSalmerón, Miquel-
dc.identifier.citationJournal of Physical Chemistry C 112(36): 14052-14057 (2008)en_US
dc.description6 pages, 5 figures.en_US
dc.description.abstractThe effect of preadsorbed oxygen on the subsequent adsorption and reactions of water on Ru(0001) has been studied using low temperature scanning tunneling microscopy and DFT calculations. Experiments were carried out for O coverages close to 0.25 ML. It was found that no dissociation of water takes place up to the desorption temperature of ~180−230 K. DFT calculations show that intact water on O(2 × 2)/Ru(0001) is ~0.49 eV more stable than the dissociation products, H and OH, at their preferred fcc and top adsorption sites.en_US
dc.description.sponsorshipThis work was supported by the Director, Office of Energy Research, Office of Basic Energy Sciences, Materials Sciences Division, of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. A.M. was financed by the Marie Curie Outgoing International Foundation, Project No. 514412, through the Institut de Ciència de Materials de Barcelona-CSIC. San Sebastian authors acknowledge support from the Basque Government and Diputación de Gipuzkoa (Etortek program), the UPV/EHU (Grant No. IT-366-07) and the Spanish MEC (Grant No. FIS2007-66711-C02-00).en_US
dc.format.extent815643 bytes-
dc.publisherAmerican Chemical Societyen_US
dc.titleAdsorption of water on O(2 × 2)/Ru(0001): Thermal stability and inhibition of dissociationen_US
dc.description.peerreviewedPeer revieweden_US
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