Synthesis and optical properties of borate glass co-doped erbium/vanadium

The Borate glass with composition 57.5B2O3 - 20Na2O - 20CaO – 1.5V2O5 – 1Er2O3 was prepared by conventional melt quenching method. The amorphous nature of the glass was confirmed by the XRD method. UV-Vis absorption spectroscopy in the wavelength range 400 – 1600 nm was carried out. The UV – VIS – N...

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Bibliographic Details
Main Authors: Zaini, Nur Adyani, Mohamed, Syafawati Nadiah, Mohamed, Zakiah
Format: Conference Proceeding
Language:English
Subjects:
Absorption spectra
Erbium
Optical properties
Refractivity
Spectrum analysis
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Summary:The Borate glass with composition 57.5B2O3 - 20Na2O - 20CaO – 1.5V2O5 – 1Er2O3 was prepared by conventional melt quenching method. The amorphous nature of the glass was confirmed by the XRD method. UV-Vis absorption spectroscopy in the wavelength range 400 – 1600 nm was carried out. The UV – VIS – NIR absorption spectra reveal 8 bands which were located at 450, 490, 519, 540, 660, 780, 980, and 1550 nm. and corresponding to 4F5/2, 4F7/2, 2H11/2, 4S3/2, 4F9/2, 4I9/2, 4I11/2, and 4I13/2, respectively. In addition, from the UV-VIS-NIR absorption spectra it was revealed the values optical band gap, refractive index and Urbach energy are 2.66 eV, 0.26 eV, and 2.4952, respectively.
ISSN:0094-243X
1551-7616
DOI:10.1063/5.0057938