GaInN quantum wells grown on facets of selectively grown GaN stripes

Neubert, Barbara and Brueckner, P. and Habel, F. and Scholz, F. and Riemann, T. and Christen, J. and Beer, M. and Zweck, Josef (2005) GaInN quantum wells grown on facets of selectively grown GaN stripes. APPLIED PHYSICS LETTERS, 87 (18): 182111. ISSN 0003-6951,

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Abstract

Multiple GaInN quantum wells (QWs) were grown on facets with reduced piezoelectric fields (PFs) of selectively grown GaN stripes oriented along the [1 (1) over bar 00] and [11 (2) over bar0] directions by metalorganic vapor phase epitaxy. We found a higher normalized growth rate for the GaInN QWs on the {1 (1) over bar 01} facets compared to the {11 (2) over bar2} facets and the planar grown reference sample on unstructured template. The different luminescence wavelengths observed for the QWs on these different facets can partly be explained by the reduced PFs, but additionally indicate that the In incorporation efficiency depends on the facet type. On stripes with trapezoidal cross section, we found strong interfacet migration of In and Ga changing the local thickness and composition significantly. (C) 2005 American Institute of Physics.

Item Type: Article
Uncontrolled Keywords: RECOMBINATION; DEPENDENCE; EPITAXY;
Subjects: 500 Science > 530 Physics
Divisions: Physics > Institute of Experimental and Applied Physics > Chair Professor Back > Group Josef Zweck
Depositing User: Dr. Gernot Deinzer
Date Deposited: 26 Apr 2021 05:08
Last Modified: 26 Apr 2021 05:08
URI: https://pred.uni-regensburg.de/id/eprint/35507

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