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Time-resolved Photoconductivity as a Probe of Carrier Transport in Microcrystalline Silicon
Published online by Cambridge University Press: 01 February 2011
Abstract
The use of transient photoconductivity techniques in the investigation of carrier transport in microcrystalline silicon is described. Results are presented which highlight variations in transport parameters such as carrier mobility and density of states with structure composition. Hole mobility is significantly enhanced by crystalline content in the film of 10% or less. The density of states inferred from transport measurements parallel to and at right angles to the direction of film growth differ somewhat, suggesting that transport may be anisotropic.
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- Copyright © Materials Research Society 2006