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https://doi.org/10.1063/1.2163627
Title: | Terrace width dependence of cobalt silicide nucleation on Si(111)- (7×7) | Authors: | Zilani, M.A.K. Xu, H. Wang, X.-S. Wee, A.T.S. |
Issue Date: | 2006 | Citation: | 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 | URI: | http://scholarbank.nus.edu.sg/handle/10635/98240 | ISSN: | 00036951 | DOI: | 10.1063/1.2163627 |
Appears in Collections: | Staff Publications |
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