A DFT study reports that quantum statistics, via Fermi level shifts and electron redistribution, lowers the nitrogen diffusion barrier on GaN(0001) to 0.92 eV at 1/6 ML Ga coverage and shifts the stable site to on-top at full coverage.
Hartmann, Crystal Growth
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Quantum effects in surface diffusion: application to diffusion of nitrogen adatoms over GaN(0001) surface
A DFT study reports that quantum statistics, via Fermi level shifts and electron redistribution, lowers the nitrogen diffusion barrier on GaN(0001) to 0.92 eV at 1/6 ML Ga coverage and shifts the stable site to on-top at full coverage.