Hall-Effect Measurements of n-Type Gallium Phosphide

Abstract
Hall measurements of GaP crystals grown by several different methods and doped with S, Te, Si, and Ge show n‐type behavior with donor concentrations ranging from 1016 to 1019 cm−3. Binding energies for the donor states at concentrations of 1018 cm−3 were estimated at 0.089±0.020 eV for S, 0.076±0.020 eV for Te, and 0.078±0.020 eV for Si. The electron mobility was usually between 60 and 100 cm2/V‐sec at room temperature and varied widely with temperature.

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