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AZO was sputter deposited using both RF and DC power supplies from a pre-formed ceramic AZO target with a 2 wt % aluminium oxide dopant concentration. The target was formed by hot pressing pre-doped nanoparticles produced using an emulsion detonation synthesis technique. AZO films were found to display good optical and electrical properties regardless of deposition technique. Increased temperatures...
Aluminum (Al) doped zinc oxide (ZnO) thin films with doping concentration of 1 at.% have been prepared using sol-gel spin-coating method. Annealing process has been applied on the prepared thin films at temperatures between 350 and 500 °C. The thin films were characterized using X-ray diffractometer (XRD), UV-Vis-NIR spectrophotometer and current voltage (I-V) measurement system for structural, optical...
In-plane directional electric property measurement in the semiconductors via electromechanical coupling is proposed. To estimate the properties in the crystal with less than 1 ????m (which is general value in intrinsic wide band-gap semiconductors), in-plane directional GHz bulk acoustic wave velocities and attenuations in a ZnO crystal have been theoretically and experimentally investigated, using...
It was found that the dependence of the breakdown field E1mA and the activation energy, on Ag content are similar to that of the exponent of alphalf in low frequency region and alphahf in high frequency region on Ag content, which is a novel result in the research of varistor materials. By means of normalization of conductivity, it was found that samples with different Ag contents show similar mechanism...
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