Left: Magic Cluster formation on a Si(111) 7x7 Template, H.Wang et al, Appl.Phys.Lett.88(2006) 103115 Right: Non-templated nanowire growth vs Templated nanowire growth, Y. Cui et al, University of Toronto

Many low dimensional structures arise from self-assembly when depositing metals onto Si surfaces. Control over geometry and feature size is essential for application of these nanostructures. Some of our recent work suggests a path for controlling the size of rare earth silicide naniowires.

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Yan Cui's poster presented at Surface Science 2006 about surface templating. “Controlling the width of self assembled nanowires on the Si (001) surface.”  Y. Cui, J. Chung, D. Grozea, and J. Nogami, University of Toronto.

M.A. Albao, M.M.R. Evans, J. Nogami, D. Zorn, M.S. Gordon, and J.W. Evans, “Atomistic processes mediating growth of one-dimensional Ga rows on Si(100)” Phys. Rev. B 72, 035426 (2005)

B.Z. Liu and J. Nogami, "Growth of parallel rare earth silicide nanowire arrays on vicinal Si(001)", Nanotechnology 14 (8), 873-877 (2003)