Questions tagged [surface-diffusion]

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Diffusion 2D on a surface : diffusion coefficient and surface friction

We have a particle that is diffusing actively (meaning that the source of energy is a motor; the diffusion is like a Brownian motion, the only difference is that the diffusion coefficient is much ...
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Diffusion between 2 surfaces

Is the first time that I am asking something here, so I apologize if it is not the place, or I am not clear enough. I am working on this problem where I have a protein place between 2 surfaces (top ...
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Why don t tiny cracks heal in metal via cold welding?

Or in other words: how do cracks inside metal survive given the phenomenon of cold welding? If metal is overstretched, one or more fine cracks result along imperfections in the metal lattice. Why don'...
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“half-life” of a holographic grating imprinted on gold?

Reading further about gold after reading about Warren Buffet's 20 meter gold cube estimate in the BBC's How much gold is there in the world? I came across images of a kinebar which is an optical ...