Abstract
The low- conductivity of lightly doped, compensated, crystalline -type GaAs epilayers is described by . is found to vary from 0.2 to 0.27, implying that the Coulomb gap in the density of impurity states plays at best a minor role in the hopping conductivity ( K) for and for compensations from 30% to 60%.
- Received 14 September 1984
DOI:https://doi.org/10.1103/PhysRevB.30.7287
©1984 American Physical Society