Abstract
The results of studying the electroluminescent and current-voltage characteristics of the n-InAs/n-InAsSb/p-InAsSbP heterostructure grown by gas-phase epitaxy from organometallic compounds are presented. Intense electroluminescence was detected in the spectral range 0.23–0.29 eV at the temperature T = 77 K. The position of the maximum of the main emission band (h ~ 0.24 eV) showed a noticeable “blue” shift with increasing applied forward bias. Based on the performed studies, it was concluded that there is a staggered type II heterojunction at the InAs0.84Sb0.16/InAs0.32Sb0.28P0.40 heterointerface, which is confirmed by the results of the calculation of the energy band diagram.
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