On the Electron Photoionization Cross-Section of EL2 in GaAs

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Abstract
From an analysis of literature data as well as our own measurements it is shown that the recently published electron photoionization cross-section σ n 0(λ, T) of the EL2-as determined by photocapacitance techniques-includes major contributions of the intracentre transition cross-section σ n *(λ, T). So the σ n 0(λ, T) as determined by photocapacitance measurements is essentially identical to the σ n (λ, T) observed in optical absorption experiments and can be used in the analysis of the latter.

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