Chlorine‐doped ZnO thin films were grown by MOCVD on sapphire and fused silica. Chlorine is incorporated in substitution for oxygen and acts as a donor, leading to an increase of electron concentration. Transport properties were studied for samples with different chlorine content. Hall effect measurements show the increase of electron carrier concentration and decrease of electron mobility on increasing the amount of chlorine incorporated in ZnO. Carrier concentrations as high as 6.5 × 1020 cm–3 has been achieved with a resistivity of ρ = 1.4 × 10–3 Ω cm for layers deposited on sapphire substrate. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
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Chikoidze et al. (2008) studied this question.
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