期刊
PHYSICAL REVIEW B
卷 91, 期 4, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.91.045426
关键词
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资金
- NSF [CHE-1111500]
- Scientific Research on Priority Areas Electron Transport Through a Linked Molecule in Nanoscale
- Single Molecule Spectroscopy using Probe Microscope
- Ministry of Education, Culture, Sports, Science, and Technology (MEXT)
- Division of Chemical Sciences, Basic Energy Sciences, US Department of Energy (USDOE)
- National Energy Research Scientific Computing Center - Office of Science of the US Department of Energy [AC02-05CH11231]
- National Science Foundation [CHE-1213771]
- Henry Dreyfus Foundation
- Grants-in-Aid for Scientific Research [15H02025] Funding Source: KAKEN
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1111500] Funding Source: National Science Foundation
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1213771] Funding Source: National Science Foundation
Sulfur-metal complexes, containing only a few atoms, can open new, highly efficient pathways for transport of metal atoms on surfaces. For example, they can accelerate changes in the shape and size of morphological features, such as two-dimensional nanoclusters, over time. In this study we perform STM under conditions that are designed to specifically isolate such complexes. We find a new, unexpected S-Cu complex on the Cu(111) surface, which we identify as Cu2S3. We propose that Cu2S3 enhances mass transport in this system, which contradicts a previous proposal based on Cu3S3. We analyze bonding within these Cu-S complexes, identifying a principle for stabilization of sulfur complexes on coinage metal surfaces.
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