Raman study of Kr ion irradiated sodium aluminoborosilicate glass

Chen, L.; Wang, T.S.; Yang, Kunjie; Peng, Haibo; Zhang, G.F.; Zhang, L.M.; Jiang, Haiyan; Wang, Q.

doi:10.1016/j.nimb.2013.01.089

Cited by 19 publications

(14 citation statements)

References 21 publications

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“…The average Si‐O‐Si angle of pristine glass was around 144° as shown in Figure B, which was consistent with experimental values 144°‐147° . The results of decreased Si‐O‐Si average angles were agreed with results in which the glasses were irradiated by heavy ions and electron . The peaks located around 90° appeared in glasses of S3, S4, and S5, which indicated that small size rings (especially rings with 4 atoms such as two silicon and two oxygen atoms) were formed and increased with decrease in oxygen atoms.…”

Section: Resultssupporting

confidence: 87%

“…For glasses from S3 to S5, the conversion of [BO 4 ] to [BO 3 ] units reached saturation, while [SiO 4 ] units began to decrease and [SiO 3 ] units increased as well as [SiO 5 ] units increased in sample S5. These results indicated that [SiO 4 ] units could be the source of O 2 as pointed out in our previous heavy ions studies …”

Section: Resultssupporting

confidence: 83%

“…Decrease in average of Si‐O‐Si were often confirmed by the Raman spectrum . In this work, the angular distribution of Si‐O‐Si is shown in Figure .…”

Section: Resultssupporting

confidence: 68%

“…In electrons irradiation experiments, Ollier et al suggested that the decrease in average Si‐O‐Si angle implied the increase in small rings. And Chen et al found the similar results in borosilicate glasses after irradiation with Kr 17+ ions. Both of the decrease in average Si‐O‐Si angle and increase in small size rings were directly computed in this study and showed a good agreement with experiments.…”

Section: Resultsmentioning

confidence: 99%

“…As a kind of candidate of High Level nuclear Waste forms (HLW), the glass suffers irradiations of alpha, beta, and gamma rays during the geological disposal . In order to understand the mechanism of those irradiation effects, the borosilicate glass was extensively irradiated by heavy ions, electrons, and gamma rays . Variations of properties such as volume, hardness, microstructure, induced defects, and the formation of bubbles were characterized by nanoindentation, Raman spectroscopy, infrared spectroscopy (IR), Scanning Electron Microscope (SEM), Transmission Electron Microscope (TEM) and so on.…”

Section: Introductionmentioning

confidence: 99%

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Origin of molecular oxygen formation in irradiated borosilicate glasses studied by molecular dynamics simulation

Wang

Peng

et al. 2018

Int J of Appl Glass Sci

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Formation of molecular oxygen was observed in borosilicate glasses irradiated with energetic ions and electrons, which has significant effects on mechanical properties of glasses and evaluation of High Level nuclear Waste (HLW) immobilization. Though O2 was considered from the broken of X‐O‐Na (X is Si or B) in borosilicate glass, what was X species remained unclear. To find out the original source of molecular oxygen O2 in irradiated borosilicate glasses, several oxygen atoms were artificial randomly removed from the pristine glasses by molecular dynamics simulation (MD). The simulation results suggested that the formation of O2 firstly came from [BO4] units by the conversion of [BO4] to [BO3] units. When the conversion reached saturation, the [SiO4] units acted as the secondary source. Sodium phase separation was also derived after oxygen atoms reduced, which was well‐agreed with electron irradiated glasses. After the oxygen was removed, average Si‐O‐Si angle decreased and the small size rings increased. These simulation results were in good agreement with experiments.

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Section: Resultssupporting

confidence: 87%

Section: Resultssupporting

confidence: 83%

“…Decrease in average of Si‐O‐Si were often confirmed by the Raman spectrum . In this work, the angular distribution of Si‐O‐Si is shown in Figure .…”

Section: Resultssupporting

confidence: 68%

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Origin of molecular oxygen formation in irradiated borosilicate glasses studied by molecular dynamics simulation

Wang

Peng

et al. 2018

Int J of Appl Glass Sci

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Evolutions of molecular oxygen formation and sodium migration in Xe ion irradiated borosilicate glasses

Chen

Zhang

et al. 2016

Journal of Non-Crystalline Solids

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The modifications of a commercial borosilicate glass induced by Xe ion irradiation have been studied by Raman spectroscopy and ToF-SIMS depth profiling. A decrease in the average Si-O-Si angle, an increase in the population of three-membered rings and an increase of the glass polymerization are evidenced. The molecular oxygen appears in the irradiated glasses after the irradiation fluence reaches approximately 10 15 ions/cm 2. The O 2 concentration decreases with the depth of irradiated glass at the ion fluence of 2×10 16 ions/cm 2. A sodium depleted layer at the surface and a depleted zone at around the penetration depth of 5 MeV Xe ions are observed. The thickness of the sodium depleted layer increases with the irradiation fluence. Moreover, comparing with previous results after electron and Ar ion irradiation, it can be concluded that the nuclear energy deposition can partially inhibit the formation of molecular oxygen and increase the threshold value of electron energy deposition for the molecular oxygen formation.

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Impacts of substitution of Fe2O3 for SiO2 on structure and properties of borosilicate glasses containing MoO3

Liao

Wang

et al. 2023

Journal of Non-Crystalline Solids

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Raman study of Kr ion irradiated sodium aluminoborosilicate glass

Cited by 19 publications

References 21 publications

Origin of molecular oxygen formation in irradiated borosilicate glasses studied by molecular dynamics simulation

Origin of molecular oxygen formation in irradiated borosilicate glasses studied by molecular dynamics simulation

Evolutions of molecular oxygen formation and sodium migration in Xe ion irradiated borosilicate glasses

Impacts of substitution of Fe2O3 for SiO2 on structure and properties of borosilicate glasses containing MoO3

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