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Barrier-free subsurface incorporation of 3d metal atoms into Bi(111) films
By combining scanning tunneling microscopy with density functional theory it is shown that the Bi(111) surface provides a well-defined incorporation site in the first bilayer that traps highly coordinating atoms such as transition metals (TMs) or noble metals. All deposited atoms assume exactly the...
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| Published in: | Physical review. B, Condensed matter and materials physics Condensed matter and materials physics, 2015-05, Vol.91 (19) |
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| Main Authors: | , , , , , , , , , , |
| Format: | Article |
| Language: | English |
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| container_issue | 19 |
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| container_title | Physical review. B, Condensed matter and materials physics |
| container_volume | 91 |
| creator | Klein, C Vollmers, N J Gerstmann, U Zahl, P Lukermann, D Jnawali, G Pfnur, H Tegenkamp, C Sutter, P Schmidt, W G Horn-von Hoegen, M |
| description | By combining scanning tunneling microscopy with density functional theory it is shown that the Bi(111) surface provides a well-defined incorporation site in the first bilayer that traps highly coordinating atoms such as transition metals (TMs) or noble metals. All deposited atoms assume exactly the same specific sevenfold coordinated subsurface interstitial site while the surface topography remains nearly unchanged. Notably, 3d TMs show a barrier-free incorporation. The observed surface modification by barrier-free subsorption helps to suppress aggregation in clusters. It allows a tuning of the electronic properties not only for the pure Bi(111) surface, but may also be observed for topological insulators formed by substrate-stabilized Bi bilayers. |
| doi_str_mv | 10.1103/PhysRevB.91.195441 |
| format | article |
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| identifier | ISSN: 1098-0121 |
| ispartof | Physical review. B, Condensed matter and materials physics, 2015-05, Vol.91 (19) |
| issn | 1098-0121 1550-235X |
| language | eng |
| recordid | cdi_osti_scitechconnect_1214097 |
| source | American Physical Society:Jisc Collections:APS Read and Publish 2023-2025 (reading list) |
| subjects | Condensed matter Density functional theory Deposition Insulators Noble metals OTHER INSTRUMENTATION Topography Transition metals Tuning |
| title | Barrier-free subsurface incorporation of 3d metal atoms into Bi(111) films |
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