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p-Type Electrical Conduction in ZnO Thin Films by Ga and N Codoping

Japanese Journal of Applied Physics · 1999 · Vol. 38(11A) · pp. L1205–L1205

Mathew Joseph✉(Osaka Research Institute of Industrial Science and Technology)Hitoshi Tabata(Osaka Research Institute of Industrial Science and Technology)Tomoji Kawai(Osaka Research Institute of Industrial Science and Technology)

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Abstract

We report the realization of p-type behavior in ZnO thin films, which are prepared by codoping method using Ga (donor) and N (acceptor) as the dopants. Especially, using active N formed by passing N 2 O gas through an electron cyclotron resonance (ECR) plasma source is quite effective for the acceptor doping. We have observed a room temperature resistivity of 2 Ω·cm and a hole concentration of 4×10 19 cm -3 . These values are enough high for practical applications in various oxide electronic devices.

ZnO doping and properties Copper-based nanomaterials and applications Gas Sensing Nanomaterials and SensorsDopantAcceptorDopingElectron cyclotron resonanceMaterials scienceElectrical resistivity and conductivityThin filmOptoelectronicsPlasmaOxide

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