Hydrogen-induced phonon anomaly on the W(110) surface
Collective vibrations of the clean and hydrogen-saturated W(110) surface have been investigated with high-resolution inelastic helium-atom scattering. In contrast to the clean W(110) surface which exhibits "normal" surface phonon dispersion, the H-saturated surface shows a pronounced surfa...
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| Veröffentlicht in: | Physical review letters 1992-05, Vol.68 (18), p.2846-2849 |
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| container_title | Physical review letters |
| container_volume | 68 |
| creator | HULPKE, E LÜDECKE, J |
| description | Collective vibrations of the clean and hydrogen-saturated W(110) surface have been investigated with high-resolution inelastic helium-atom scattering. In contrast to the clean W(110) surface which exhibits "normal" surface phonon dispersion, the H-saturated surface shows a pronounced surface phonon anomaly in terms of a sharply defined dip in the surface phonon dispersion at Q = 0.9 A exp --1 along the Gamma H (\001\) direction. The anomalous behavior extends into the neighborhood of this high-symmetry direction. |
| doi_str_mv | 10.1103/PhysRevLett.68.2846 |
| format | Article |
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In contrast to the clean W(110) surface which exhibits "normal" surface phonon dispersion, the H-saturated surface shows a pronounced surface phonon anomaly in terms of a sharply defined dip in the surface phonon dispersion at Q = 0.9 A exp --1 along the Gamma H (\001\) direction. The anomalous behavior extends into the neighborhood of this high-symmetry direction.</description><identifier>ISSN: 0031-9007</identifier><identifier>EISSN: 1079-7114</identifier><identifier>DOI: 10.1103/PhysRevLett.68.2846</identifier><identifier>PMID: 10045507</identifier><identifier>CODEN: PRLTAO</identifier><language>eng</language><publisher>Ridge, NY: American Physical Society</publisher><subject>Applied sciences ; Condensed matter: structure, mechanical and thermal properties ; Exact sciences and technology ; Metals. 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In contrast to the clean W(110) surface which exhibits "normal" surface phonon dispersion, the H-saturated surface shows a pronounced surface phonon anomaly in terms of a sharply defined dip in the surface phonon dispersion at Q = 0.9 A exp --1 along the Gamma H (\001\) direction. The anomalous behavior extends into the neighborhood of this high-symmetry direction.</description><subject>Applied sciences</subject><subject>Condensed matter: structure, mechanical and thermal properties</subject><subject>Exact sciences and technology</subject><subject>Metals. Metallurgy</subject><subject>Physics</subject><subject>Solid surfaces and solid-solid interfaces</subject><subject>Surface structure and topography</subject><subject>Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</subject><issn>0031-9007</issn><issn>1079-7114</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1992</creationdate><recordtype>article</recordtype><recordid>eNp9kE1Lw0AQhhdRbK3-AkFyEKmH1Nnd7NdRil9QUETxGHY3ExtJk5pNhPx7U1qkJ08zh-edd3gIOacwoxT4zcuyD6_4s8C2nUk9YzqRB2RMQZlYUZockjEAp7EBUCNyEsIXAFAm9TEZUYBECFBjIh77rKk_sYqLKus8ZtF6WVd1FdmqXtmyj4a1XWL0MR06r6PQNbn1eEqOclsGPNvNCXm_v3ubP8aL54en-e0i9lzyNnbOGSMETbSzxuWCUUgQJSoApqnSee4yY7Tz3mYJ4x5zicOPTnrlEk8Vn5Cr7d11U393GNp0VQSPZWkrrLuQMiEVM1QO4PRfkGphmObGmAHlW9Q3dQgN5um6KVa26VMK6UZsuic2lTrdiB1SF7uCzq0w28tsTQ7A5Q6wwdsyb2zli_DHCcbM8AP_BVWogfg</recordid><startdate>19920504</startdate><enddate>19920504</enddate><creator>HULPKE, E</creator><creator>LÜDECKE, J</creator><general>American Physical Society</general><scope>IQODW</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>19920504</creationdate><title>Hydrogen-induced phonon anomaly on the W(110) surface</title><author>HULPKE, E ; LÜDECKE, J</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c363t-bbb9955148ba9bf52104ee6e70028178ffbd998bccad423cef6e001b6c7b4c173</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1992</creationdate><topic>Applied sciences</topic><topic>Condensed matter: structure, mechanical and thermal properties</topic><topic>Exact sciences and technology</topic><topic>Metals. Metallurgy</topic><topic>Physics</topic><topic>Solid surfaces and solid-solid interfaces</topic><topic>Surface structure and topography</topic><topic>Surfaces and interfaces; thin films and whiskers (structure and nonelectronic properties)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>HULPKE, E</creatorcontrib><creatorcontrib>LÜDECKE, J</creatorcontrib><collection>Pascal-Francis</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Physical review letters</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>HULPKE, E</au><au>LÜDECKE, J</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Hydrogen-induced phonon anomaly on the W(110) surface</atitle><jtitle>Physical review letters</jtitle><addtitle>Phys Rev Lett</addtitle><date>1992-05-04</date><risdate>1992</risdate><volume>68</volume><issue>18</issue><spage>2846</spage><epage>2849</epage><pages>2846-2849</pages><issn>0031-9007</issn><eissn>1079-7114</eissn><coden>PRLTAO</coden><abstract>Collective vibrations of the clean and hydrogen-saturated W(110) surface have been investigated with high-resolution inelastic helium-atom scattering. In contrast to the clean W(110) surface which exhibits "normal" surface phonon dispersion, the H-saturated surface shows a pronounced surface phonon anomaly in terms of a sharply defined dip in the surface phonon dispersion at Q = 0.9 A exp --1 along the Gamma H (\001\) direction. The anomalous behavior extends into the neighborhood of this high-symmetry direction.</abstract><cop>Ridge, NY</cop><pub>American Physical Society</pub><pmid>10045507</pmid><doi>10.1103/PhysRevLett.68.2846</doi><tpages>4</tpages></addata></record> |
| fulltext | fulltext |
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| ispartof | Physical review letters, 1992-05, Vol.68 (18), p.2846-2849 |
| issn | 0031-9007 1079-7114 |
| language | eng |
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| source | American Physical Society Journals |
| subjects | Applied sciences Condensed matter: structure, mechanical and thermal properties Exact sciences and technology Metals. Metallurgy Physics Solid surfaces and solid-solid interfaces Surface structure and topography Surfaces and interfaces thin films and whiskers (structure and nonelectronic properties) |
| title | Hydrogen-induced phonon anomaly on the W(110) surface |
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