First-Principles Study of CaB12H12 as a Potential Solid-State Conductor for Ca

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First-principles calculations show CaB12H12 has a low activation energy for Ca migration, which can be facilitated by Ca vacancies formed through substitution with trivalent cations.

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Abstract

Calcium dodecahydro-closo-dodecaborate, CaB12H12, was calculated to have a percolating Ca migration path with low activation barrier (650 meV). The formation of Ca vacancies required for diffusion was calculated to be thermodynamically feasible by substitution of Ca with Al, Bi, or a number of trivalent rare-earth cations

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europepmc
last seen: 2026-05-19T01:45:01.086888+00:00