Effects of growth parameters on the structural and optical properties of InP/InGaP quantum structures for 808-nm-wavelength emissions

Title
Effects of growth parameters on the structural and optical properties of InP/InGaP quantum structures for 808-nm-wavelength emissions
Authors
김수연송진동한일기TW KIM
Keywords
InP; Qunatum dots; InP/InGaP Quantum Structure; Quantum Dash; 808-nm; MEE; MBE
Issue Date
2012-07
Publisher
Journal of nanoscience and nanotechnology
Citation
VOL 12, NO 7, 5519-5522
Abstract
InP/InGaP quantum structures with 808-nm-wavelength emissions were grown on semi-insulating GaAs (100) substrates via migration-enhanced molecular beam epitaxy. The effects of the growth conditions on the structural and optical properties of the InP/InGaP quantum structures were investigated. The scanning electron microscopy and atomic force microscopy images showed that the two-dimensional InP/InGaP quantum structures were transited to one-dimensional structures with an increasing repetition cycle. The photoluminescence spectra showed that the optical properties of the InP/InGaP quantum structures were significantly affected by various migration-enhanced epitaxy repetition numbers and growth temperatures. These results can help improve understanding of the effects of growth parameters on the structural and optical properties of InP/InGaP quantum structures for 808-nm-wavelength emissions.
URI
http://pubs.kist.re.kr/handle/201004/43962
ISSN
15334880
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