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Configurations, energies, and thermodynamics of the neutral MgH complex in GaN

Wright, Alan F.; Myers, S.M.

A study was performed on the atomic configurations corresponding to local-energy minima for the neutral MgH complex in wurtzite GaN. The density-functional theory and the generalized-gradient approximation for exchange and correlation were used for the identification. The results showed that the dominant configuration consisted of H at an antibonding site of a N neighbor of the substitutional Mg, and the Mg-N and N-H bonds were nearly aligned.