AbstractThe control of the growth of InGaAs on GaAs(110) vicinal substrates by means of molecular beam epitaxy (MBE) produces self-organized structures. These structures can be used for detection purposes. A superlattice of ten periods of InGaAs was grown over a GaAs substrate at 430°C to form an infrared detector. Atomic force microscopy was used to study the superficial morphology, showing that the samples have high regularity, periodicity and a low number or dislocations. The photo-luminescence spectroscopy at environment temperature illustrates that the effective range of detection starts in 1400nm reaching the maximum in 1600nm, which is an interesting wavelength in stars detection. If the parameters are perfectly controlled enhanced self-patterned structures for infrared detection can be built by MBE on this GaAs facet.
(As,Sb)In/GaInSb quantum well for infrared detection enhancement
Advances in Space Research ; 40 , 5 ; 704-707
2007-06-20
4 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
(As,Sb)In-GaInSb quantum well for infrared detection enhancement
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