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Electron microdiffraction study of bimetallic Ru---Au/MgO catalysts

dc.contributor.authorShastri, Ambesh G.en_US
dc.contributor.authorSchwank, Johannes W.en_US
dc.date.accessioned2006-04-07T19:28:12Z
dc.date.available2006-04-07T19:28:12Z
dc.date.issued1986-08en_US
dc.identifier.citationShastri, A. G., Schwank, J. (1986/08)."Electron microdiffraction study of bimetallic Ru---Au/MgO catalysts." Journal of Catalysis 100(2): 437-445. <http://hdl.handle.net/2027.42/26091>en_US
dc.identifier.urihttp://www.sciencedirect.com/science/article/B6WHJ-4CFY8SN-11V/2/4d92610d936dd116215beabc3ce09f19en_US
dc.identifier.urihttps://hdl.handle.net/2027.42/26091
dc.description.abstractA microdiffraction study of bimetallic Ru---Au/MgO catalysts is carried out in order to discriminate between the random adsorption versus atomic ordering model proposed for the structure of bimetallic clusters. The microdiffraction patterns from small metal clusters could be ascribed to either Au or Ru indicating an absence of structural modification of individual metal components in bimetallic clusters. Local variations in the MgO planes exposed are seen within areas of 1 [mu]m in diameter which are free of metal particles. Large Au particles (&gt;10 nm) are randomly aligned on MgO whereas small Au particles are aligned such that the [110] zone axis of Au is parallel to the [111] zone axis of MgO. Small Ru particles are aligned so that in most cases the [0001] zone axis of Ru is parallel to the [111] zone axis of MgO. The random adsorption model, where one metal component is chemisorbed on top of the other, is consistent with the experimental observations by EDS and microdiffraction.en_US
dc.format.extent611384 bytes
dc.format.extent3118 bytes
dc.format.mimetypeapplication/pdf
dc.format.mimetypetext/plain
dc.language.isoen_US
dc.publisherElsevieren_US
dc.titleElectron microdiffraction study of bimetallic Ru---Au/MgO catalystsen_US
dc.typeArticleen_US
dc.rights.robotsIndexNoFollowen_US
dc.subject.hlbsecondlevelMaterials Science and Engineeringen_US
dc.subject.hlbsecondlevelChemistryen_US
dc.subject.hlbsecondlevelChemical Engineeringen_US
dc.subject.hlbsecondlevelBiological Chemistryen_US
dc.subject.hlbtoplevelEngineeringen_US
dc.subject.hlbtoplevelScienceen_US
dc.subject.hlbtoplevelHealth Sciencesen_US
dc.description.peerreviewedPeer Revieweden_US
dc.contributor.affiliationumDepartment of Chemical Engineering, The University of Michigan, Ann Arbor, Michigan 48109-2136, U.S.A.en_US
dc.contributor.affiliationumDepartment of Chemical Engineering, The University of Michigan, Ann Arbor, Michigan 48109-2136, U.S.A.en_US
dc.description.bitstreamurlhttp://deepblue.lib.umich.edu/bitstream/2027.42/26091/1/0000167.pdfen_US
dc.identifier.doihttp://dx.doi.org/10.1016/0021-9517(86)90110-7en_US
dc.identifier.sourceJournal of Catalysisen_US
dc.owningcollnameInterdisciplinary and Peer-Reviewed


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