EPR and FT-IR spectroscopic studies of Bi2O3–B2O3–CuO glasses

Ardelean, I.; Cora, Simona; Rusu, D.

doi:10.1016/j.physb.2008.06.016

Cited by 168 publications

(56 citation statements)

References 13 publications

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“…Assignment has been suggested for 1274cm -1 band in the Raman spectra of pyroborate groups, involving primarily the stretching of the terminal B-O -bonds [11,12]. This is confirmed from the fact that in the present glasses, the band observed at 700-712cm -1 in infrared spectra is assigned to B-O-B bending vibrations in [BO 3 ] triangles while the strong bands in the range 1195cm -1 is assigned for stretching vibrations of B-O bonds in BO 3 units from meta and ortho-borate groups [8 ] and 1365cm -1 arises from B-O -bonds stretching in BO 3 units from varied types of borate groups respectively [9,13,14].…”

Section: Resultssupporting

confidence: 73%

“…The probable error in (ΔΕ) is found to be ±0.001 eV. It is found that Urbach energy decreases with increase in the Li 2 O content in the present glass system shown in table 1. is attributed to the vibrations of chain type metaborate groups [8]. In Raman spectra the strong band observed around 929cm -1 can be assigned to vibrations of orthoborate groups [1,10].…”

Section: Resultsmentioning

confidence: 96%

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Spectroscopic studies of xLi₂O-(40-x)Bi₂O₃-20CdO-40B₂O₃ Glasses

Kumar

Edukondalu

Muralimohan

et al. 2015

IOP Conf. Ser.: Mater. Sci. Eng.

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IntroductionThe interest in heavy metal oxide glasses is due to their long infrared cut-off and optical non-linearity [1]. Bismuth based oxide glasses have attracted the attention of scientific community, due to their important applications in the field of glass ceramics, thermal and mechanical sensors etc. a survey of literature shows that there are many reports available on quaternary bismuth borate glasses [2,3]. The present work is focused on studying the effect of Bi 2 O 3 and Li 2 O on cadmium borate quaternary glass system. The presence of the two glass formers Bi 2 O 3 and B 2 O 3 increases the interest in present study.

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Section: Resultssupporting

confidence: 73%

Section: Resultsmentioning

confidence: 96%

Spectroscopic studies of xLi₂O-(40-x)Bi₂O₃-20CdO-40B₂O₃ Glasses

Kumar

Edukondalu

Muralimohan

et al. 2015

IOP Conf. Ser.: Mater. Sci. Eng.

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“…In FTIR the bands between 425 to 550 cm −1 and 800 to 1200 cm −1 are attributed to Bi-O-Bi and Bi-O Vibrations of BiO 6 octahedra [17,20,23]. Ardelean et al [24] has reported a band at 715 cm −1 due to symmetric stretching vibrations of Bi-O bond in BiO 3 pyramidal units. So, the small kink observed at 720 cm −1 in all the glass compositions may be attributed to symmetric stretching vibrations of Bi-O bond in BiO 3 pyramidal units.…”

Section: Resultsmentioning

confidence: 99%

Structural and Physical Properties of ZnO Modified Bismuth Silicate Glasses

et al. 2012

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Zinc bismuth silicate glasses with compositions 40SiO 2 · xZnO · (60 − x)Bi 2 O 3 (x = 0, 5, 10, 15, 20, 25, 30, 35, and 40) have been prepared by conventional melt-quench technique and the solubility limit of zinc in bismuth silicate glass system has been estimated using X-ray diffraction technique. Density has been measured using Archimedes' principle; with increase in ZnO in the samples, the molar volume and density are found to decrease. The glass transition temperature (T g ) has been determined by using differential scanning calorimetry (DSC) and is observed to increase with increase in ZnO content. Raman and FTIR spectra have been recorded at room temperature and the analysis of Raman and FTIR shows that in all the glass compositions, asymmetric and symmetric stretched vibrations of Si-O bonds in SiO 4 tetrahedral units exist and with decrease in Bi 2 O 3 , the contribution of symmetric vibrations begins to dominate which results in increased compactness of the glass structure.

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“…In the glass system x Li 2 O · x Na 2 O · x K 2 O · (50−3x) PbO · 50 B 2 O 3 the infrared transmission bands are centred at 470, 700, 100, 1200, 1510, and 1684 cm −1 . The band at 470 cm −1 corresponds to www.scienceasia.org 16,17 . The broadening of peaks between 600 and 1000 cm −1 in low lead content LP glass series, i.e., x Li 2 O · x Na 2 O · x K 2 O · (50−3x) PbO · 50 B 2 O 3 (x = 8, 10, 12, 14, and 16 mol%) with increase in alkali oxide content could be assigned to the modifier action and formation of non-bridging oxygen atoms (NBOs).…”

Section: Resultsmentioning

confidence: 99%

IR analysis of borate glasses containing three alkali oxides

Balachander¹,

Ramadevudu²,

Shareefuddin³

et al. 2013

ScienceAsia

154

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FTIR investigations on borate glasses containing three alkali oxides, , 10, 12, 14, and 16 mol%) are reported. The present glasses contain mainly BO 3 and BO 4 structural units. The presence of fingerprints of both BiO 3 and BiO 6 structural units in bismuth alkali borate glasses was confirmed. The presence of varied types like di, tetra, penta, and ortho borate groups are confirmed in the glass matrix. Glasses with low PbO content contained more BO 3 units than BO 4 units.

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EPR and FT-IR spectroscopic studies of Bi2O3–B2O3–CuO glasses

Cited by 168 publications

References 13 publications

Spectroscopic studies of xLi₂O-(40-x)Bi₂O₃-20CdO-40B₂O₃ Glasses

Spectroscopic studies of xLi₂O-(40-x)Bi₂O₃-20CdO-40B₂O₃ Glasses

Structural and Physical Properties of ZnO Modified Bismuth Silicate Glasses

IR analysis of borate glasses containing three alkali oxides

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EPR and FT-IR spectroscopic studies of Bi2O3–B2O3–CuO glasses

Cited by 168 publications

References 13 publications

Spectroscopic studies of xLi2O-(40-x)Bi2O3-20CdO-40B2O3 Glasses

Spectroscopic studies of xLi2O-(40-x)Bi2O3-20CdO-40B2O3 Glasses

Structural and Physical Properties of ZnO Modified Bismuth Silicate Glasses

IR analysis of borate glasses containing three alkali oxides

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Resources

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Spectroscopic studies of xLi₂O-(40-x)Bi₂O₃-20CdO-40B₂O₃ Glasses

Spectroscopic studies of xLi₂O-(40-x)Bi₂O₃-20CdO-40B₂O₃ Glasses