Abstract
We report a study of the desorption behavior of Ga on the GaN(0001) surface and the growth behavior of GaN during molecular beam epitaxy. A desorption activation energy of 2.2±0.2 eV is measured for Ga adatoms. Porous columnar features in the GaN microstructure are observed that are enhanced by higher growth temperatures and eliminated by growing Mg or Si doped GaN. We propose a model for this observation.
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 9:07 a.m.) |
Deposited | 1 year, 7 months ago (Feb. 3, 2024, 6:44 a.m.) |
Indexed | 1 year, 3 months ago (May 14, 2024, 3:56 p.m.) |
Issued | 28 years, 9 months ago (Nov. 4, 1996) |
Published | 28 years, 9 months ago (Nov. 4, 1996) |
Published Print | 28 years, 9 months ago (Nov. 4, 1996) |
@article{Guha_1996, title={Surface lifetimes of Ga and growth behavior on GaN (0001) surfaces during molecular beam epitaxy}, volume={69}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.117349}, DOI={10.1063/1.117349}, number={19}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Guha, S. and Bojarczuk, N. A. and Kisker, D. W.}, year={1996}, month=nov, pages={2879–2881} }