Shallow impurity states in wurtzite and zincblende structure GaN

R. Wang, P. P. Ruden, J. Kolnik, I. Oguzman, K. F. Brennan

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Calculations of shallow donor states for wurtzite and zincblende structure GaN, and acceptor states for zincblende GaN in an effective mass approximation are presented. Band parameters were taken from experiment or determined from band structure calculations. The effect of wavevector dependent screening is examined, based on dielectric functions calculated from empirical pseudopotential band structures. For donor states, the effects of electron-phonon coupling and free carrier screening in the Thomas-Fermi and Debye approximations are discussed briefly.

Original languageEnglish (US)
Pages (from-to)935-940
Number of pages6
JournalMaterials Research Society Symposium - Proceedings
StatePublished - Jan 1 1997
EventProceedings of the 1996 MRS Fall Symposium - Boston, MA, USA
Duration: Dec 2 1996Dec 6 1996


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