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|Title:||Terrace width dependence of cobalt silicide nucleation on Si(111)- (7×7)|
|Authors:||Zilani, M.A.K. |
|Source:||Zilani, M.A.K., Xu, H., Wang, X.-S., Wee, A.T.S. (2006). Terrace width dependence of cobalt silicide nucleation on Si(111)- (7×7). Applied Physics Letters 88 (2) : 1-3. ScholarBank@NUS Repository. https://doi.org/10.1063/1.2163627|
|Abstract:||We have studied the size, shape transition, and nucleation sites of self-assembled cobalt silicide clusters on Si(111) -7×7 using scanning tunneling microscopy. Step decoration of solid-phase-epitaxy grown clusters (350-1000 °C) is observed on surfaces with narrow terrace widths (25-40 nm). Experiments repeated on surfaces with wide (>70 nm) terraces reveal significant differences with respect to shape, size, and growth morphology; a bimodal size distribution is observed due to cluster shape transition from irregular clusters to flat-top islands. The control of silicide island nucleation could have potential applications in electrode formation for molecular electronics and nanodevice fabrication. © 2006 American Institute of Physics.|
|Source Title:||Applied Physics Letters|
|Appears in Collections:||Staff Publications|
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