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Growth and optical properties of (Na0.5Bi0.5)(Mo1−xWx)O4 (x = 0.25) single crystal: a potential candidate for optoelectronic devices
Date
2024-01-01
Author
Guler, I.
Isik, M.
Hasanlı, Nızamı
Metadata
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Double tungstates (DT) and double molybdates (DM) have significant importance because of their optoelectronic applications. Regarding the importance of DT and DM, we investigated experimentally structural and optical properties of (Na0.5Bi0.5)(Mo1−xWx)O4 (x = 0.25) crystal that belongs to the NaBi-DT and DM crystals group. Czochralski method was used to grow the single crystals. The structure of the crystal was identified using X-ray diffraction (XRD) measurements. Two sharp peaks associated with tetragonal crystal structure appeared in the pattern. Vibrational modes of the studied crystal were obtained from the Raman experiments. By the help of the Fourier transform infrared spectrophotometer (FTIR) measurements, infrared transmittance spectrum of the studied compound was recorded. Band gap energy wase found around 3.04 eV using two methods, Tauc and derivative analysis, based on transmission spectrum. Based on the analysis of absorption coefficient, Urbach energy was obtained as 0.22 eV. The revealed structural and optical properties of the crystal indicated that the material may be a candidate for optoelectronic devices in which NaBi(MoO4)2 and NaBi(WO4)2 materials are utilized.
Subject Keywords
Double molybdates
,
Double tungstates
,
Optical properties
,
XRD
URI
https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85177650359&origin=inward
https://hdl.handle.net/11511/106534
Journal
Optical and Quantum Electronics
DOI
https://doi.org/10.1007/s11082-023-05549-3
Collections
Department of Physics, Article
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BibTeX
I. Guler, M. Isik, and N. Hasanlı, “Growth and optical properties of (Na0.5Bi0.5)(Mo1−xWx)O4 (x = 0.25) single crystal: a potential candidate for optoelectronic devices,”
Optical and Quantum Electronics
, vol. 56, no. 1, pp. 0–0, 2024, Accessed: 00, 2023. [Online]. Available: https://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=85177650359&origin=inward.