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Hot electron transport and impact ionization in the narrow energy gap InAs1-xNx alloy.

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<mark>Journal publication date</mark>1/02/2010
<mark>Journal</mark>Applied Physics Letters
Issue number5
Pages (from-to)052115
Publication StatusPublished
<mark>Original language</mark>English


We report an experimental study of hot electron dynamics in the narrow band gap dilute nitride alloy, InAs1-xNx, with x up to 0.6%. The sharp increase in the conductivity of n-type InAs1-xNx at applied electric fields above 1 kV/cm demonstrates that impact ionization dominates the hot electron dynamics. This observation, combined with the reduction in the band gap energy by the N-atoms, suggest prospects for the use of this narrow gap alloy in infrared avalanche photodiodes