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The Donor State of Vanadium in Indium Phosphide
Published online by Cambridge University Press: 28 February 2011
Abstract
We have performed studies on Vanadium doped InP, especially p-type InP codoped with Zn and V. Luminescence excitation experiments, DLTS, DLOS and absorption experiments lead to the conclusion that the donor level (V3+/V4+) of Vanadium is at about 0.2 eV above the valence band. Optical cross-sections that are determined by DLOS allow to observe for the first time a resonance in the valence band of a III-V semiconductor that we tentatively interpret as an excited state of V4+.
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