A. Gangulee, F.M. D'Heurle
Thin Solid Films
We have investigated the carrier spin segregation process in a ZnSe/Zn0.96Fe0.04Se quantum-well structure by studying the energy and relative intensity of the ground-state exciton components as a function of applied magnetic field. The e1h1 heavy-hole exciton initially tends towards type-II behavior as the field is applied but the trend reverses itself at higher fields as the conduction-band splitting of the magnetic barriers becomes significant. The interplay between the electron-hole Coulomb attraction and the tunable type-II confining potentials is described in the context of a variational model. © 1995 The American Physical Society.
A. Gangulee, F.M. D'Heurle
Thin Solid Films
K.A. Chao
Physical Review B
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