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 Steady-state and time-resolved luminescence in InGaN layers
Please use this identifier to cite or link to this item http://hdl.handle.net/10773/6311

title: Steady-state and time-resolved luminescence in InGaN layers
authors: Seitz, R.
Gaspar, C.
Correia, M.
Monteiro, T.
Pereira, E.
Heuken, M.
Schoen, O.
keywords: InGaN ternary alloys
Photoluminescence
Time-resolved spectroscopy
issue date: 2000
publisher: Elsevier
abstract: InGaN layers are used as active layers of high brightness in nitride-based LEDs and lasers. Despite the progress in device development many of the fundamental optical properties are not completely understood. InGaN samples with different In content are studied by steady-state and time-resolved photoluminescence. The low-temperature photoluminescence spectra show a near band edge emission that shifts to lower energies with increasing In content, excitation wavelength and delay times. The emission is broader than typical excitonic emission from binary material. Temperature dependent measurements indicate that the near band edge emission is an overlap of various emission bands with different quenching behaviour.
URI: http://hdl.handle.net/10773/6311
ISSN: 0022-2313
publisher version/DOI: dx.doi.org/10.1016/S0022-2313(99)00511-6
source: Journal of Luminescence
appears in collectionsFIS - Artigos

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