Abstract

We have studied the electronic band structure of the ideal (0 0 1) surface of AlN, GaN and InN in the zinc-blende phase. We have employed an empirical sp 3s ∗d 5 Hamiltonian with nearest-neighbor interactions including spin-orbit coupling and the surface Green function matching method. We have obtained the different surface states together with their corresponding orbital character and localization in the different layers. A similar physical picture is obtained for the three materials.

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