Cu2S3 complex on Cu(111) as a candidate for mass transport enhancement

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Show simple item record Walen, H. Liu, D. J. Oh, J. Lim, H. Evans, J. W. Aikens, Christine M. Kim, Y. Thiel, P. A. 2016-04-04T22:24:04Z 2016-04-04T22:24:04Z
dc.description Citation: Walen, H., Liu, D. J., Oh, J., Lim, H., Evans, J. W., Aikens, C. M., . . . Thiel, P. A. (2015). Cu2S3 complex on Cu(111) as a candidate for mass transport enhancement. Physical Review B, 91(4), 7. doi:10.1103/PhysRevB.91.045426
dc.description 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.
dc.rights Copyright 2015 American Physical Society
dc.subject Scanning Tunneling Microscope
dc.subject Surface Self-Diffusion
dc.subject Metal-Surfaces
dc.subject Sulfur
dc.subject Approximation
dc.subject Catalyst
dc.title Cu2S3 complex on Cu(111) as a candidate for mass transport enhancement
dc.type Article 2015
dc.citation.doi 10.1103/PhysRevB.91.045426
dc.citation.issn 1098-0121
dc.citation.issue 4
dc.citation.jtitle Physical Review B
dc.citation.spage 7
dc.citation.volume 91
dc.contributor.authoreid cmaikens

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