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|Title:||Self-assembly of Si nanoclusters on 6H-SiC(0001)-(3×3) reconstructed surface|
|Source:||Ong, W.J., Tok, E.S., Xu, H., Wee, A.T.S. (2002-05-06). Self-assembly of Si nanoclusters on 6H-SiC(0001)-(3×3) reconstructed surface. Applied Physics Letters 80 (18) : 3406-3408. ScholarBank@NUS Repository. https://doi.org/10.1063/1.1476398|
|Abstract:||Scanning tunneling microscopy (STM) and x-ray photoelectron spectroscopy (XPS) were used to observe the formation of metastable (6×6)-Si nanoclusters (diameter ∼16.5±0.1A) on 6H-SiC(0001)-(3×3) surface. STM and XPS data suggest that these clusters are derived from the ejection of the Si-tetracluster unit of the initial (3×3) reconstruction at elevated temperatures and occur in a less Si-rich environment than the initial surface. The observed surface restructuring is related to the reconfiguration of coplanar Si bonds within the (3×3) unit cell. The occurrence of these regularly sized "magic" clusters demonstrates the potential of nanostructure formation of Si on SiC. © 2002 American Institute of Physics.|
|Source Title:||Applied Physics Letters|
|Appears in Collections:||Staff Publications|
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