Investigation of single-domain Au silicide nanowires on Si(110) formed for Au coverages in the monolayer regime
Abstract The self-organized formation of single domain Au silicide nanowires is observed on Si(110). These nanowires are analysed using scanning tunnelling microscopy (STM) and spectroscopy (STS) as well as photoemission spectroscopy (PES). Core-level PES is utilised to confirm the formation of Au s...
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| Format: | Article |
| Language: | English |
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Nature Portfolio
2021-07-01
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| Series: | Scientific Reports |
| Online Access: | https://doi.org/10.1038/s41598-021-94106-7 |
| _version_ | 1818858491957215232 |
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| author | Stephan Appelfeller |
| author_facet | Stephan Appelfeller |
| author_sort | Stephan Appelfeller |
| collection | DOAJ |
| description | Abstract The self-organized formation of single domain Au silicide nanowires is observed on Si(110). These nanowires are analysed using scanning tunnelling microscopy (STM) and spectroscopy (STS) as well as photoemission spectroscopy (PES). Core-level PES is utilised to confirm the formation of Au silicide and establish its presence as the top most surface structure, i.e., the nanowires. The growth of the Au silicide nanowires and their dimensions are studied by STM. They form for Au coverages of about 1 monolayer and are characterized by widths of about 2 to 3 nm and heights below 1 nm while reaching lengths exceeding 500 nm when choosing appropriate annealing temperatures. Valence band PES and STS indicate a small but finite density of states at the Fermi level typical for compound metals. |
| first_indexed | 2024-12-19T08:57:08Z |
| format | Article |
| id | doaj.art-cf4efa9f444241a4b30ecadc9e35a9b2 |
| institution | Directory Open Access Journal |
| issn | 2045-2322 |
| language | English |
| last_indexed | 2024-12-19T08:57:08Z |
| publishDate | 2021-07-01 |
| publisher | Nature Portfolio |
| record_format | Article |
| series | Scientific Reports |
| spelling | doaj.art-cf4efa9f444241a4b30ecadc9e35a9b22022-12-21T20:28:35ZengNature PortfolioScientific Reports2045-23222021-07-0111111110.1038/s41598-021-94106-7Investigation of single-domain Au silicide nanowires on Si(110) formed for Au coverages in the monolayer regimeStephan Appelfeller0MAX IV Laboratory, Lund UniversityAbstract The self-organized formation of single domain Au silicide nanowires is observed on Si(110). These nanowires are analysed using scanning tunnelling microscopy (STM) and spectroscopy (STS) as well as photoemission spectroscopy (PES). Core-level PES is utilised to confirm the formation of Au silicide and establish its presence as the top most surface structure, i.e., the nanowires. The growth of the Au silicide nanowires and their dimensions are studied by STM. They form for Au coverages of about 1 monolayer and are characterized by widths of about 2 to 3 nm and heights below 1 nm while reaching lengths exceeding 500 nm when choosing appropriate annealing temperatures. Valence band PES and STS indicate a small but finite density of states at the Fermi level typical for compound metals.https://doi.org/10.1038/s41598-021-94106-7 |
| spellingShingle | Stephan Appelfeller Investigation of single-domain Au silicide nanowires on Si(110) formed for Au coverages in the monolayer regime Scientific Reports |
| title | Investigation of single-domain Au silicide nanowires on Si(110) formed for Au coverages in the monolayer regime |
| title_full | Investigation of single-domain Au silicide nanowires on Si(110) formed for Au coverages in the monolayer regime |
| title_fullStr | Investigation of single-domain Au silicide nanowires on Si(110) formed for Au coverages in the monolayer regime |
| title_full_unstemmed | Investigation of single-domain Au silicide nanowires on Si(110) formed for Au coverages in the monolayer regime |
| title_short | Investigation of single-domain Au silicide nanowires on Si(110) formed for Au coverages in the monolayer regime |
| title_sort | investigation of single domain au silicide nanowires on si 110 formed for au coverages in the monolayer regime |
| url | https://doi.org/10.1038/s41598-021-94106-7 |
| work_keys_str_mv | AT stephanappelfeller investigationofsingledomainausilicidenanowiresonsi110formedforaucoveragesinthemonolayerregime |