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Updated: Jul 16, 2026

Negative Additive Manufacturing of Complex Shaped Boron Carbides
Published on: September 18, 2018
First-principles simulations of boron diffusion in graphite
I Suarez-Martinez1, A A El-Barbary, G Savini
1Department of Chemistry, School of Life Science, University of Sussex, Falmer, Brighton, UK. is25@sussex.ac.uk
Abstract:
Boron strongly modifies electronic and diffusion properties of graphite. We report the first ab initio study of boron interaction with the point defects in graphite, which includes structures, thermodynamics, and diffusion. A number of possible diffusion mechanisms of boron in graphite are suggested. We conclude that boron diffuses in graphite by a kick-out mechanism. This mechanism explains the common activation energy, but large magnitude difference, for the rate of boron diffusion parallel and perpendicular to the basal plane.
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