Comparison of surface structure and segregation in AgAu and NiPd alloys
The structure and composition of a single-crystal AgAu(1 0 0) alloy surface was studied using low energy electron diffraction. The surface was found to be moderately enriched in silver, while the second atomic layer has an essentially bulklike composition. The first interlayer distance exhibits a sm...
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| Veröffentlicht in: | Surface science 2004-09, Vol.566 (2), p.862-868 |
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| container_title | Surface science |
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| creator | Derry, G.N. Wan, R. |
| description | The structure and composition of a single-crystal AgAu(1
0
0) alloy surface was studied using low energy electron diffraction. The surface was found to be moderately enriched in silver, while the second atomic layer has an essentially bulklike composition. The first interlayer distance exhibits a small contraction, with a small expansion found in the second interlayer. This structure composition behavior is compared to that found in the low index surfaces of the NiPd alloy, which has compositional oscillations and a more complex surface relaxation behavior. |
| doi_str_mv | 10.1016/j.susc.2004.06.022 |
| format | Article |
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0
0) alloy surface was studied using low energy electron diffraction. The surface was found to be moderately enriched in silver, while the second atomic layer has an essentially bulklike composition. The first interlayer distance exhibits a small contraction, with a small expansion found in the second interlayer. This structure composition behavior is compared to that found in the low index surfaces of the NiPd alloy, which has compositional oscillations and a more complex surface relaxation behavior.</description><subject>Gold</subject><subject>Low energy electron diffraction (LEED)</subject><subject>Low index single crystal surfaces</subject><subject>Nickel</subject><subject>Palladium</subject><subject>Silver</subject><subject>Surface segregation</subject><subject>Surface structure, morphology, roughness, and topography</subject><issn>0039-6028</issn><issn>1879-2758</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><recordid>eNqNkE1LxDAQhoMouH78AU89eWudfLUNeFkWv0DUg55DNpksWbrtmrTC_nuzrmdxLgMvzzswDyFXFCoKtL5ZV2lKtmIAooK6AsaOyIy2jSpZI9tjMgPgqqyBtafkLKU15BFKzsjDYthsTQxp6IvBF2mK3lgs0hgnO04RC9O7IuEq4sqMIUOhL-ar-fSTv4Q3V5iuG3bpgpx40yW8_N3n5OP-7n3xWD6_Pjwt5s-l5TWMpQRPna1bxsG6xnBvmnYprLMKuaRCKc7rnEvpFaC30jFKGy-EpUvpPEd-Tq4Pd7dx-JwwjXoTksWuMz0OU9Is_ywZiH-AlAnWqgyyA2jjkFJEr7cxbEzcaQp6L1ev9V6u3svVUOssN5duDyXMv34FjDrZgL1FFyLaUbsh_FX_BsGwguw</recordid><startdate>20040920</startdate><enddate>20040920</enddate><creator>Derry, G.N.</creator><creator>Wan, R.</creator><general>Elsevier B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope><scope>H8D</scope></search><sort><creationdate>20040920</creationdate><title>Comparison of surface structure and segregation in AgAu and NiPd alloys</title><author>Derry, G.N. ; Wan, R.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c360t-50f1dc68230cd7a3fa78b4cdc9e351499336d7a55f90efc5d2117f44c1b5df3e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>Gold</topic><topic>Low energy electron diffraction (LEED)</topic><topic>Low index single crystal surfaces</topic><topic>Nickel</topic><topic>Palladium</topic><topic>Silver</topic><topic>Surface segregation</topic><topic>Surface structure, morphology, roughness, and topography</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Derry, G.N.</creatorcontrib><creatorcontrib>Wan, R.</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Aerospace Database</collection><jtitle>Surface science</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Derry, G.N.</au><au>Wan, R.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Comparison of surface structure and segregation in AgAu and NiPd alloys</atitle><jtitle>Surface science</jtitle><date>2004-09-20</date><risdate>2004</risdate><volume>566</volume><issue>2</issue><spage>862</spage><epage>868</epage><pages>862-868</pages><issn>0039-6028</issn><eissn>1879-2758</eissn><abstract>The structure and composition of a single-crystal AgAu(1
0
0) alloy surface was studied using low energy electron diffraction. The surface was found to be moderately enriched in silver, while the second atomic layer has an essentially bulklike composition. The first interlayer distance exhibits a small contraction, with a small expansion found in the second interlayer. This structure composition behavior is compared to that found in the low index surfaces of the NiPd alloy, which has compositional oscillations and a more complex surface relaxation behavior.</abstract><pub>Elsevier B.V</pub><doi>10.1016/j.susc.2004.06.022</doi><tpages>7</tpages></addata></record> |
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| ispartof | Surface science, 2004-09, Vol.566 (2), p.862-868 |
| issn | 0039-6028 1879-2758 |
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| source | Access via ScienceDirect (Elsevier) |
| subjects | Gold Low energy electron diffraction (LEED) Low index single crystal surfaces Nickel Palladium Silver Surface segregation Surface structure, morphology, roughness, and topography |
| title | Comparison of surface structure and segregation in AgAu and NiPd alloys |
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