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Optical Signature of the GaN (1010) Surface

Published online by Cambridge University Press:  10 February 2011

C. Noguez ,
R. Esquivel-Sirvent ,
D. R. Alfonso ,
S. E. Ulloa  and
D. A. Drabold
C. Noguez
Affiliation:
Instituto de Física, UNAM, Apartado Postal 20-364, México D.F. 01000
R. Esquivel-Sirvent
Affiliation:
Instituto de Física, UNAM, Apartado Postal 20-364, México D.F. 01000
D. R. Alfonso
Affiliation:
International Center for Theoretical Physics, Condensed Matter Section, Trieste, Italy
S. E. Ulloa
Affiliation:
Department of Physics and Astronomy, Ohio University, Athens OH 45701
D. A. Drabold
Affiliation:
Department of Physics and Astronomy, Ohio University, Athens OH 45701
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Abstract

We present a theoretical study of the optical properties of the GaN (1010) surface. We employed a semi-empirical tight-binding method to calculate the surface electronic structure. The parameters were adjusted to reproduce the correct band structure of the bulk wurzite GaN. These parameters were interpolated to the surface using Harrison’s rule. From the surface electronic structure the surface dielectric response was obtained. The dielectric response is analized in terms of surface-surface, and surface-bulk electronic transitions.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 449: Symposium N – III-V Nitrides , 1996 , 911
Copyright
Copyright © Materials Research Society 1997

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References

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