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<p>In this study, thin films of (CuO:Zn)<sub>1−</sub><sub><i>x</i></sub>Fe<sub><i>x</i></sub> are prepared using a&#xa0;pulsed laser deposition (PLD) technique. The Nd:YAG pulsed laser operated at a&#xa0;fundamental wavelength of 1064 nm and a&#xa0;frequency of 6 Hz is used. The effect of adding iron at different ratios from 0.1&#xa0;to 0.5 on the structural and optical properties of the prepared films is studied. The results of X‑ray diffraction (XRD) show that the crystal structure remains stable despite the addition of iron. However, there are the crystal angle shifts and lattice distortions, indicating that the addition of iron has affected the lattice and changed the crystal dimensions. On the other hand, the optical properties of the prepared films show a&#xa0;significant improvement upon the addition of iron, as a&#xa0;gradual decrease in the energy gap from 2.8&#xa0;to 2.4 eV is observed, in addition to a&#xa0;significant increase in the absorption and extinction coefficients, refractive index, and real and imaginary electrical permittivity. These results indicate a&#xa0;potential use of the doped films in many optical applications, such as solar cells and optical filters and sensors.</p>

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Structural and optical properties of CuO:Zn:Fe films prepared by pulsed laser deposition

  • 期刊论文

  • 发表日期：

    2025年10月1日

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  • Rusul R. Alrubaye,
  • Ghuson H. Mohammed

摘要

In this study, thin films of (CuO:Zn)1−xFex are prepared using a pulsed laser deposition (PLD) technique. The Nd:YAG pulsed laser operated at a fundamental wavelength of 1064 nm and a frequency of 6 Hz is used. The effect of adding iron at different ratios from 0.1 to 0.5 on the structural and optical properties of the prepared films is studied. The results of X‑ray diffraction (XRD) show that the crystal structure remains stable despite the addition of iron. However, there are the crystal angle shifts and lattice distortions, indicating that the addition of iron has affected the lattice and changed the crystal dimensions. On the other hand, the optical properties of the prepared films show a significant improvement upon the addition of iron, as a gradual decrease in the energy gap from 2.8 to 2.4 eV is observed, in addition to a significant increase in the absorption and extinction coefficients, refractive index, and real and imaginary electrical permittivity. These results indicate a potential use of the doped films in many optical applications, such as solar cells and optical filters and sensors.