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Tailoring the physical properties of low dimensional MgO nanostructures using vapor transport deposition

Author name : WAEL SAAD MOHAMED AHMED
Publication Date : 2020-05-24
Journal Name : Materials characterization

Abstract

In this study, low-dimensional (LD) MgO nanostructured thin films with three different morphologies, namely, nanowires (NWs), nanotubes (NTs) and nanoparticles (NPs) were fabricated by a vapor transport method on quartz and silicon substrates under optimum growth conditions. It was found that the deposition parameters have great influences on the morphology, optical, photoluminescent, electrical, gas sensing and magnetic behavior of the resulting products. X-ray diffraction analysis illustrated that all three LD MgO nanostructures have five expected Bragg peaks of cubic MgO phase purity with well crystalline nature. The morphology and diameter of LD MgO nanostructures were probed by scanning electron and transmission electron-microscopes. The optical band gap values for LD MgO nanostructure films varies between 3.65 eV and 3.95 eV depending on growth conditions. It was found that all MgO films …

Keywords

MgO nanostructured ; photoluminescen ; electrical ; gas sensing

Publication Link

https://www.sciencedirect.com/science/article/abs/pii/S1044580320311268?via%3Dihub

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