Effect of external stress on the patterning of nanostructures: a kinetic Monte Carlo simulation of Ta deposited on anistropically compressed Ta(1?0?0) surfaces

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DOIResolve DOI: http://doi.org/10.1016/j.cplett.2004.10.093
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TypeArticle
Journal titleChemical Physics Letters
Volume400
Issue1-3
Pages7477; # of pages: 4
AbstractUsing the deposition of Ta on Ta(1?0?0) surface as a model, we illustrate a theoretical principle for controlling the shape of nanostructure grown on anisotropically strained substrates. The anisotropic strain induces asymmetric diffusion barriers and reduces the potential energy at the tip of the islands formed in initiate stage of the deposition. As a result, a clear transition from zero-dimensional quantum dots to one-dimensional nanorods and nanowires structures with controllable thickness were observed. This investigation demonstrates the feasibility of applying this technique to control the shape of nanostructures by optimizing the substrate temperature compression and deposition rate.
Publication date
AffiliationNational Research Council Canada; NRC Steacie Institute for Molecular Sciences
Peer reviewedNo
NPARC number12338487
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Record identifier4d5a93cd-9554-48f7-9b1d-fb4b3b6b7fe6
Record created2009-09-10
Record modified2016-05-09
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