Influence of femtosecond pulsed laser irradiation on bismuth germanium oxide single crystal properties

KovaL·eviL·, Aleksander; RistiL·-DjuroviL·, Jasna L.; LekiL·, Marina; HadžiL·, Branka; Abudagel, Giuma Saleh Isa; PetriL·eviL·, Slobodan; MihailoviL·, Pedja; MatoviL·, Branko; DramliL·, Dragan; BrajoviL·, Ljiljana M.; RomL·eviL·, Nebojša

doi:10.1016/j.materresbull.2016.06.023

Cited by 4 publications

(2 citation statements)

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“…As far as we know, [18] preparation technique which was used ensured maximum quality samples in the limits corresponding to the starting components purity. In the case of Bi 12 GeO 20 [27], the positive efect of laser radiation on optical characteristics was registered only in materials obtained from starting materials of lower quality. With quality single crystals, it was not possible to improve the optical parameters in this way.…”

Section: Discussionmentioning

confidence: 99%

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Effect of Laser Heating on Partial Decomposition of Bi12SiO20 (BSO) Single Crystal: Raman Study

Romčević

Hadžić

Đorđević

et al. 2023

Journal of Spectroscopy

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The effect of laser (532 nm line of Verdi G) heating during the Raman measurements, on partial decomposition of Bi12SiO20 single crystal, was addressed in this study. The degree of decomposition directly depends on the power density and duration of the laser treatment, which are registered by the phonon Raman spectra. After laser treatment, AFM measurements register additional small spherical islands on the surface. Analysis performed on irradiated and unirradiated samples showed significant changes in transmission spectra, X-ray diffraction (XRD) pattern, Verdet constant, magneto-optical property, and absorption coefficient. The material obtained after laser irradiation can be described as specific nanocomposite consisting of bismuth oxide and silicon oxide-based nano-objects (dimensions below 15 nm in diameter), which are arranged in a matrix of Bi12SiO20.

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Section: Discussionmentioning

confidence: 99%

“…Tat is true in principle. But this is practically expected, because the starting material, BSO single crystal, was obtained from ultrapure components, which led to the exceptional optical quality of the sample, as it was the case with the Bi 12 GeO 20 crystal [18,27].…”

Section: Discussionmentioning

confidence: 99%