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ELECTROMIGRATION IN MACROSCOPIC RELAXATION OF STEPPED SURFACES
epitaxial relaxation crystal facet Burton–Cabrera–Frank model electromigration desorption surface diffusion step chemical potential macroscopic limit variational principle
2015/10/16
We study the effect of an external electric field E on macroscopic relaxation laws for crystal surfaces in 2 + 1 dimensions. We derive a nonlinear, fourth-order partial differential equation (PDE) for...
Conductance fluctuations in metallic nanogaps made by electromigration
Conductance fluctuations metallic nanogaps
2010/11/25
We report on low temperature conductance measurements of gold nanogaps fabricated by ontrolled electro-migration. Fluctuations of the conductance due to quantum interferences and depending both on bia...