Formation mechanism of nanotrenches induced by mobile catalytic nanoparticles

2008 
⟨110⟩ oriented nanotrenches were generated by thermally annealing an ultrathin Au layer deposited on ZnSe surfaces of different orientations. Results from a number of structural and chemical analyses indicate that they were induced by the migration of Au-alloy droplets through a catalytic reaction with ZnSe. Highly aligned nanotrenches can be achieved on (100)-oriented substrates, which can potentially serve as templates for the fabrication of one-dimensional nanostructures of various materials.
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