Mesoscopic conductivity fluctuations in samples with magnetic impurities
Geim A. K. , Dubonos S. V. , Antonova I. Yu.
Submicron-size η + -GaAs conductors with spin scatterers have been studied. The scatterers were implanted in the sample by plasma-chemical etching. The relaxation of the spins and the spin scattering are shown to suppress mesoscopic oscillations of the resistance. These oscillations are restored in a magnetic field as a result of Zeeman splitting.