Change in adsorption bond length with coverage for K/Al(111)
The local bond geometry of potassium adsorbed on Al(111) at low temperature has been studied by photoelectron diffraction (PED) as a function of K coverage. It is found that K atoms occupy on-top sites in the coverage range 0.05-0.4 monolayer and that the K-Al bond length increases by 0.17 A over th...
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| Veröffentlicht in: | Surface science 1995-10, Vol.339 (3), p.L919-L924 |
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| container_end_page | L924 |
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| container_issue | 3 |
| container_start_page | L919 |
| container_title | Surface science |
| container_volume | 339 |
| creator | CHRISTENSEN, S. V NIELSEN, K. T NERLOV, J BATCHELOR, D. R ADAMS, D. L |
| description | The local bond geometry of potassium adsorbed on Al(111) at low temperature has been studied by photoelectron diffraction (PED) as a function of K coverage. It is found that K atoms occupy on-top sites in the coverage range 0.05-0.4 monolayer and that the K-Al bond length increases by 0.17 A over this coverage range. The reliability of this result is supported by PED studies of the (root 3xroot 3)R30 deg structures formed by adsorption of one-third monolayer sodium and K at 300K, and K at 150K, which give results in quantitative agreement with previous structure determination by SEXAFS and LEED. |
| doi_str_mv | 10.1016/0039-6028(95)80058-1 |
| format | Article |
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The reliability of this result is supported by PED studies of the (root 3xroot 3)R30 deg structures formed by adsorption of one-third monolayer sodium and K at 300K, and K at 150K, which give results in quantitative agreement with previous structure determination by SEXAFS and LEED.</description><identifier>ISSN: 0039-6028</identifier><identifier>EISSN: 1879-2758</identifier><identifier>DOI: 10.1016/0039-6028(95)80058-1</identifier><identifier>CODEN: SUSCAS</identifier><language>eng</language><publisher>Lausanne: Elsevier Science</publisher><subject>Applied sciences ; Condensed matter: structure, mechanical and thermal properties ; Exact sciences and technology ; Metals. 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The reliability of this result is supported by PED studies of the (root 3xroot 3)R30 deg structures formed by adsorption of one-third monolayer sodium and K at 300K, and K at 150K, which give results in quantitative agreement with previous structure determination by SEXAFS and LEED.</abstract><cop>Lausanne</cop><cop>Amsterdam</cop><cop>New York, NY</cop><pub>Elsevier Science</pub><doi>10.1016/0039-6028(95)80058-1</doi></addata></record> |
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| ispartof | Surface science, 1995-10, Vol.339 (3), p.L919-L924 |
| issn | 0039-6028 1879-2758 |
| language | eng |
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| source | Elsevier ScienceDirect 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 | Change in adsorption bond length with coverage for K/Al(111) |
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