Will atoms move from a concave region to a convex region

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Consider a surface that has a region that is concave and as well as a region that is convex.

During reflow, will atoms move from a concave region to a convex region, or from a convex region to a concave region?

Explain both in terms of the force equations for reflow as well as in terms of the atomistic picture.

Reference no: EM131794411

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