New donor-related state of nonequilibrium charge carriers in germanium
Kaminskii A. S. , Pokrovskii Ya. E. , Gorbunov M. V.
New luminescence bands, which appear in germanium doped with arsenic and phosphorus, are observed at helium temperatures. The origin of the bands is explained by the radiative decay of complexes containing the ionized donor, two electrons, and two holes.