Abstract
The structure–morphology relationship of (Co, Al) co-doped ZnO thin films was investigated. This system was chosen because of its potential in several technological applications such as solar cells, transparent electrodes, ultraviolet light-emitting devices, ferromagnetism, and so on. The films were deposited via pulsed laser deposition using aerogel nanopowder targets. The structure and microstructure of the nanopowders were investigated by X-ray diffraction and transmission electron microscopy that revealed nanoparticles with wurtzite-like structure, crystallites ranging from 30.7 to 23.4 nm, and prismatic shape. The fabricated films have a thickness of ~ 300 nm, and there is a preferential orientation in the (002) direction. Atomic force microscopy topographical maps reveal that the film surface grains decrease when the aluminum (Al) content increases, but the roughness does not present a significant variation. The texture isotropy and fractal dimension of the films increase for higher Al contents. The combination of these results reveals that there is a structure–micromorphology dependence promoted by the insertion of Al in the ZnO lattice, which can be useful to find unique manufacture patterns in devices based on this semiconductor film.
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The data that support the findings of this study are available from the corresponding author upon reasonable request.
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This work was funded by the National Plan for Sciences, Technology, and Innovation (MAARIFAH)—King Abdulaziz City for Sciences and Technology—Kingdom of Saudi Arabia, award number: 13-NAN517-08.
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FG contributed to conceptualization, data curation, investigation, methodology, and writing—original draft. NK helped in conceptualization and writing—original draft. SM contributed to formal analysis, resources, and writing—review and editing. IG and ŞŢ contributed to formal analysis, methodology, software, and writing—review and editing. LMEM and RMPBO performed methodology and writing—review and editing. HDFF was involved in investigation, methodology, and writing—original draft. RSM helped in conceptualization, project administration, validation, visualization, conceptualization, and writing—original draft. All authors have read and agreed to the published version of the manuscript.
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Ghribi, F., Khalifi, N., Mrabet, S. et al. Evaluation of the Structure–Micromorphology Relationship of Co10%–Alx Co-doped Zinc Oxide Nanostructured Thin Films Deposited by Pulsed Laser Using XRD and AFM. Arab J Sci Eng 47, 7717–7728 (2022). https://doi.org/10.1007/s13369-022-06568-0
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DOI: https://doi.org/10.1007/s13369-022-06568-0