Comparison of type II superlattice InAs/InAsSb barrier detectors operating in the mid-wave infrared range
Małgorzata Kopytko,
Paweł Madejczyk,
Krzysztof Murawski
et al.
Abstract:Four types of barrier detectors based on a type II InAs/InAsSb superlattice with a wide-gap barrier made of a solid AlInAsSb lattice matched to the GaSb buffer were compared. The tested detectors differed in the type of doping of the active layer and the level and type of doping of the contact layer at the barrier. The epitaxial layers were deposited on GaAs (100) substrates using the molecular beam epitaxy method. The spectral and current–voltage characteristics of the analyzed detectors were compared. The hi… Show more
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