Unveiling the application potential of PbMo0.75W0.25O4 crystal: Linear and nonlinear optical properties through ellipsometry

Date

2024-12-01

Author

Isik, M.
Hasanlı, Nızamı

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PbMo0.75W0.25O4 compound is formed by replacing one quarter of the Mo atoms in the PbMoO4 with W atoms and has significant potential for optoelectronic applications. Optical properties of PbMo0.75W0.25O4 single crystal have been systematically investigated using ellipsometry measurements in the spectral range of 2.4–5.4 eV. The linear optical parameters, including refractive index, extinction coefficient, and absorption coefficient, were extracted from the obtained ellipsometry data. By analyzing spectral dependence of these parameters, band gap energy, critical point energy, and single effective oscillator parameters were determined. The refractive index spectrum was analyzed in the below band gap energy region by considering Cauchy and Sellmeier models. Additionally, nonlinear optical values were calculated, providing a comprehensive understanding of the optical properties of the PbMo0.75W0.25O4 single crystal. This study not only contributes to the fundamental understanding of the crystal's optical properties but also has potential implications for applications in optoelectronic devices and photovoltaics.

Subject Keywords

Ellipsometry, Optical properties, PbMoO4, PbWO4

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https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85202214445&origin=inward
https://hdl.handle.net/11511/111229

Collections

Department of Physics, Article