Abstract

Interface states in ZnO varistors were studied using spectral analysis of deep level transient spectroscopy (SADLTS) to obtain the emission rate spectrum. We found one interface state in ZnO with the activation energy and the capture cross section distributed around their central values, E0=0.98 eV and σ0=1.8×10-16 cm2, over widths ΔE=0.19 eV and Δσ=2.9×10-17 cm2, respectively.

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