Abstract
This work presents Q-switched grown polycrystalline Nb2O5 thin films for the purpose of investigating the substrate temperature impact on the prepared films by pulsed laser deposition technique without any post-annealing treatment. The chosen range of the substrate temperature was from 250 to 650 °C with an increment scale of 100 °C. The influence of substrate temperature on the deposited films was tested by XRD analyses, photoluminescence analyses, UV–visible spectrophotometer, AFM, FE-SEM, and EDX analyses. These analytical measurements were for the purpose of studying the structural, optical, topographical, and morphological properties of the obtained films. The obtained thin films’ thicknesses were increased with raising the substrate temperature and reported as 78.17, 84.14, 116.1, 128.3, and 172.7 nm, respectively. The XRD profile revealed that orthorhombic (T-Nb2O5) and monoclinic (H-Nb2O5) were formed. The average sizes of particles were 22.48, 46.13, 64.86, 109.1, and 93.76 nm for substrate temperatures of 250, 350, 450, 550 and 650 °C, respectively. The optical band gaps were shifted to lower values. The surface roughness was increased by increasing the substrate temperature. EDX analyses showed the existence of niobium and oxygen elements, and the obtained films were highly pure.
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Acknowledgements
The authors would like to thank the University of Technology-Iraq for the logistic support of this work. The authors would like to thank the Northern Border University, Arar, KSA for the logistic support this work. The authors gratefully thank the Prince Faisal bin Khalid bin Sultan Research Chair in Renewable Energy Studies and Applications (PFCRE) at Northern Border University for their support and assistance. The authors would like to thank Al-Farahidi University, Baghdad, Iraq for the logistic support this work.
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Salim, E.T., Shafeeq, S.R., AbdulRazzaq, M.J. et al. Substrate temperature impact on preparing Nb2O5 Nano-films by IR-Nd: YAG using pulsed laser deposition technique. J Opt (2023). https://doi.org/10.1007/s12596-023-01545-8
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DOI: https://doi.org/10.1007/s12596-023-01545-8