, Volume 36, Issue 8, pp 944-949

Lattice-matched GaInPAsSb/InAs structures for devices of infrared optoelectronics

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It is reported that a Ga0.92In0.08P0.05As0.08Sb0.87 quinary solid solution, which is lattice-matched to InAs, with a band gap of 695 meV (77 K) and 640 meV (300 K) is obtained. It is demonstrated that a heterojunction of type II is realized in the InAs/Ga0.92In0.08P0.05As0.08Sb0.87 structure. The solid solution obtained was used for the development of prototypes of light-emitting diodes and photodiodes with the highest intensity of emission and photosensitivity in the vicinity of 1.9 µm.