M. Aidaraliev et al., Radiative recombination via direct optical transitions in In1-xGaxAs (0 <=x <= 0.16) solid solutions, SEMICONDUCT, 35(12), 2001, pp. 1369-1371
Photoluminescence from In1 - xGaxAs (0 less than or equal to x less than or
equal to 0.16) solid solution epilayers LPE-grown on (111)InAs substrates
and electroluminescence from p-n junctions on their bases have been studied
in the temperature range 77-450 K. Despite the negative lattice mismatch b
etween epilayer and substrate, radiative recombination in epilayers occurs
via direct optical transitions ensuring a high internal quantum efficiency
of luminescence (6% at 295 K). (C) 2001 MAIK "Nauka/Interperiodica".