Exchange and radiative lifetimes for close Frenkel pairs on the zinc sublattice of ZnSe

Abstract

The radiative lifetimes for the individual close Frenkel pairs on the zinc sublattice of ZnSe described in the preceeding paper are measured using optical detection of magnetic resonance. A simple theory is developed for the exchange and radiative lifetimes for deep-donor to deep-acceptor recombination vs pair separation and compared to the lifetime results obtained here and the values for exchange obtained in the preceding paper for the Frenkel pairs. The good agreement obtained allows tentative assignments of the individual pairs to specific lattice sites. © 1996 The American Physical Society.