The Study of Electron Beam Irradiation on Eu2O3 Doped Pbf2 - Teo2 - B2O3 Glasses

International Journal of Research in Science(ISSN Online: 2412-4389)

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Title The Study of Electron Beam Irradiation on Eu2O3 Doped Pbf2 - Teo2 - B2O3 Glasses
Creator Kamath, Sudha D.
Wagh, Akshatha
Y., Raviprakash
Description We report here the combined structural, optical andthermal studies carried out for the prepared Eu2O3 doped PbF2-TeO2-B2O3 glass [built using melting molding technique] samplesbefore and after being subjected to electron beam of energy 7.5MeV [Dose: 150 kGy], containing 0-2.5 mol% of Eu2O3. Theincrease in densities of the samples both before and afterirradiation has been understood, mainly due to the UV-VIS-NIRdata, energy band gap (Eg) values and the characteristictemperatures obtained from Differential Scanning Calorimetry(DSC) study. The decrement in the values of energy band gapand the shifting of the absorption cut-off wavelength of UV-VISNIRspectra towards red edge, proved the formation of colorcenters in the glass network after irradiation. The changes in thephysical appearance of the glasses from light yellow to deepyellowish color after irradiation were studied through colormeasurement. The change in Hunter L values after irradiation,through color measurement was a proof for the color centers orabsorption centers created in the glass sites. Glass transformationtemperatures [glass transition (Tg), onset of crystallization (Tx),crystallization (Tc) and melting temperature (Tm)] throughDifferential Scanning Calorimetry (DSC), were analyzed to studythe thermal effects on amorphized borate glasses and check itsreaction on stability and vitreous network of the glass samplesboth before and after electron beam irradiation.
Publisher Research Plus Journals
Date 2016-06-15
Type info:eu-repo/semantics/article
Peer-reviewed Article
Format application/pdf
Source International Journal of Research in Science; Vol 2 No 2 (2016): International Journal of Research in Science; 26-28
Language eng

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