Fp. Korshunov et al., INVESTIGATION OF CHARGE-CARRIER MOBILITY AT LOW-TEMPERATURES IN NEUTRON TRANSMUTATION DOPED GAAS IRRADIATED WITH ELECTRONS, Doklady Akademii nauk BSSR, 41(6), 1997, pp. 54-58
Nonmonotone decrease in change carrier mobility measured at low temper
ature (T = 77 - 200 K) with dose rise in neutron transmutation doped G
aAs irradiated at T = 300 K with fast electrons (E = 4 MeV) was shown
to be caused by charge state alteration of some dominant defect in cha
nging Fermi level location In the forbidden gap under electron irradia
tion of the crystal. The value of the given defect level made up E-D =
E-C - 0,11 eV.