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Phys. Rev. B 58, 12641–12644 (1998)

Spectroscopic theoretical study of the atomic reconstruction of GaN (101¯0)

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Cecilia Noguez
Instituto de Física, Universidad Nacional Autónoma de México, Apartado Postal 20-364, México Distrito Federal 01000, Mexico

Received 1 June 1998; published in the issue dated 15 November 1998

We study the atomic reconstruction of the GaN(101¯0) surface calculating electron-energy-loss (EEL) spectra and optical properties. The unreconstructed and three different atomic reconstructions are considered. We show that the optical properties are very sensitive to the atomic reconstruction. Results are presented and discussed in terms of differential EEL spectra that will allow to compare with experiments. Experiments are proposed to unambiguously determine the surface-atomic reconstruction of this important surface.

© 1998 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevB.58.12641
DOI:
10.1103/PhysRevB.58.12641
PACS:
78.66.-w, 78.66.Fd, 71.15.Fv, 73.20.At