2021
DOI: 10.1016/j.jnoncrysol.2021.121090
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Comparative shielding behavior of binary PbO-B2O3 and Bi2O3-B2O3 glasses with high heavy metal oxide contents towards gamma irradiation revealed by collective optical, FTIR and ESR measurements

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Cited by 31 publications
(6 citation statements)
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“…The increase in N 4 values appears to be logical due to the effect of yttrium additions on the borate glass matrix; where Y 3+ is recorded to convert the BO 3 to BO 4 groups. [ 11,26,27 ] In contrast, the decrease in N 4 values that was recorded for the 2 and 2.5 mol% samples may be due to the formation of isolated YBO 3 clusters. The presence and increase in the isolated YBO 3 clusters were confirmed by the XRD results to start from the 1.5 mol% Y 2 O 3 sample.…”
Section: Resultsmentioning
confidence: 76%
“…The increase in N 4 values appears to be logical due to the effect of yttrium additions on the borate glass matrix; where Y 3+ is recorded to convert the BO 3 to BO 4 groups. [ 11,26,27 ] In contrast, the decrease in N 4 values that was recorded for the 2 and 2.5 mol% samples may be due to the formation of isolated YBO 3 clusters. The presence and increase in the isolated YBO 3 clusters were confirmed by the XRD results to start from the 1.5 mol% Y 2 O 3 sample.…”
Section: Resultsmentioning
confidence: 76%
“…This shift is attributed to the alterations of local symmetry in octahedron BiO 6 with decreasing Bi 2 O 3 content [20]. Additionally, a prominent and strong band appearing in the range of 611-633 cm −1 arises from the vibration of the Bi-O bond within the BiO 6 units [21,22]. This particular band, which is situated in the range of 611-633 cm −1 , likewise shifts to higher wavenumbers with the introduction of Cr 2 O 3 .…”
Section: Structural and Glassy Featuresmentioning
confidence: 99%
“…Bands 1 and 2 located at 509 and 574 cm −1 are assigned to the bending vibration of the Bi-O bond within the octahedral BiO 6 units [20]. Band 3 observed at 620 cm −1 originates from the vibration of the Bi-O bond in the BiO 6 units [21,22]. Bands 4 and 5 observed at 706 and 755 cm −1 , respectively, are corresponded to the symmetric bending vibration of B-O-B in the BO 3 units [11,23].…”
Section: Structural and Glassy Featuresmentioning
confidence: 99%
“…PbO and TeO 2 have gamma radiation attenuation characteristics that look highly promising because to the large atomic number of Pb and Te and the high quality of their attenuation coefficient. [38][39][40][41] As a result of the growing application of radioactive isotopes in a variety of disciplines, it is important to study the radiation shielding properties of different materials by evaluating different attenuation factors. In this regard, the mass attenuation coefficient (MAC) is one of the basic factors and from this factor we can determine other related factors such as the effective atomic number and transmission factor.…”
mentioning
confidence: 99%