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ZnO single-crystal hexagonal microtubes were controllably fabricated by hydrothermal process. The ZnO microtubes were characterized by scanning electron microscopy, x-ray diffraction and high-resolution transmission electron microscopy. The results show that the as-prepared ZnO microtubes are hexagonal and single crystal in nature and grow on Si (111) substrates along the [0002] direction. SEM images...
In this paper, ZnO nanorods were synthesized by the hydrothermal process on various substrates such as glass, ITO, p-type porous silicon and n-type porous silicon by dipping in ZnO solution and atomic layer deposition method. The thin films a grown on substrates were washed with deionized water to eliminate residual salts, dried in air, and annealed at 400 degC. Scanning electron microscopy and X-ray...
ZnO-based thin-film transistors (TFT) have been fabricated on p-Si (100) substrates by radio frequency (rf) magnetron sputtering at room temperature with a bottom gate configuration. The XRD and SEM show that ZnO films had high crystalline quality. The ZnO films present an average optical transmission (including the glass substrate) of 80% in the visible part of the spectrum. The electrical properties...
The thermal evaporation deposition technique was used to produce zinc oxide thin film onto p-type silicon substrate at room temperature. The prepared film was post annealed at different temperature from 400 to 800degC in O2 ambient atmosphere for 20 minutes. The effect of post annealing temperature on the structural properties and surface morphological of ZnO thin films have been studied by XRD and...
The optical and electrical characteristics of zinc oxide (ZnO) films grown by molecular-beam epitaxy (MBE) on Si substrates were investigated. ZnO epitaxial layer was successfully grown on nitridated Si(100) substrate initially covered with high-temperature GaN and low-temperature ZnO double buffer layers using MBE. X-ray diffraction and photoluminescence results both indicated that a reasonable quality...
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