Japanese Journal of Applied Physics · 1982 · 24 citations · 10 references
Natural SciencesMaterials SciencePhysicsCondensed Matter PhysicsOptoelectronicsSemiconductor MaterialsAmorphous MaterialsAmorphous SemiconductorsAmorphous SolidsSemiconductor Device MaterialsSemiconductor PhysicsSilicon MaterialsAmorphous SiliconBand GapBand Gap EnergyBand Tail StatesConduction BandHydrogenated Amorphous SiliconLocalized StatesPhase Shift Analysis
In order to determine the energy distribution of localized states in the band gap of undoped hydrogenated amorphous silicon, the previously proposed method, i.e. the phase-shift analysis of the modulated photocurrent, is applied to this material. Obtained is the tail states distribution with a bump structure around 0.62 eV below the mobility edge of the conduction band.
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Evidence for Exponential Band Tails in Amorphous Silicon Hydride
T. Tiedje, J. M. Cebulka, D.L. Morel et al. · Physical Review Letters · 1981 · 522 citations