Boron oxyfluoride glasses in the BOF system: new polymeric spaghetti-type glasses

Boussard‐Plédel, Catherine; Fonteneau, Gilles; Lucas, Jacques

doi:10.1016/0022-3093(95)00183-2

Cited by 16 publications

(22 citation statements)

References 4 publications

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“…For x = 0, the sub-bands are centered at 1220 cm −1 and 1365 cm −1 . The former band corresponds to the stretching vibrations of B-O bonds in BO 3 units from meta and ortho-borate groups [21,22,[25][26][27][28] and the later is due to the B-O asymmetric stretching vibrations in BO 3 and BO 3 − units [22,25,26]. For the compositions other than x = 0, these sub-bands appear at 1210 cm −1 and 1370 cm −1 respectively, with an enhanced intensity.…”

Section: Ftir Analysismentioning

confidence: 99%

“…A random arrangement of various atomic and molecular species is easily formed in borate glasses which is the basic requirement for glass formation. A number of modifications in the properties of the borate glasses, with the addition of alkali halides, have been reported so far [3][4][5][6][7][8][9]. The inclusion of LiF in the borate glass network brings out some structural changes [3], which in turn become responsible for the change in various properties.…”

Section: Introductionmentioning

confidence: 99%

“…A number of modifications in the properties of the borate glasses, with the addition of alkali halides, have been reported so far [3][4][5][6][7][8][9]. The inclusion of LiF in the borate glass network brings out some structural changes [3], which in turn become responsible for the change in various properties. Some new units like BO 2 F, BO 2 F 2 , BOF 3 , and BO 3 F are formed by the replacement of few oxygen atoms by fluorine ions [4][5][6].…”

Section: Introductionmentioning

confidence: 99%

“…The inclusion of LiF in the borate glass network brings out some structural changes [3], which in turn become responsible for the change in various properties. Some new units like BO 2 F, BO 2 F 2 , BOF 3 , and BO 3 F are formed by the replacement of few oxygen atoms by fluorine ions [4][5][6]. Also, there may be an increase in the number of polyhedral groups of boron and oxygen, which in turn increases the number of nonbridging oxygen atoms [7][8][9].…”

Section: Introductionmentioning

confidence: 99%

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Effect of Stepwise Replacement of Non-Oxide to Oxide Group on Structural Properties ofBi2O3·LiF·B2<

et al. 2012

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Section: Ftir Analysismentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Effect of Stepwise Replacement of Non-Oxide to Oxide Group on Structural Properties ofBi2O3·LiF·B2<

et al. 2012

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“…The requirement of random arrangement of various atomic and molecular species is easily fulfilled in borate glasses. With the addition of alkali halides in borate glasses there appears modifications in some properties of these glasses due to variations that occurred in their structures [3][4][5][6][7][8][9]. These modifications are reported for the inclusion of LiF in the borate glasses [3].…”

Section: Introductionmentioning

confidence: 99%

Effect of Annealing on Optical Properties of ZnO·LiF·B2O3 Glasses

et al. 2012

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The Melt-quench method is used to synthesize zinc fluoroborate glasses with compositions xZnO 5, 10, 15, and 20). Optical characterization was carried out to examine the variation of optical bandgap energy (E g ) and urbach energy (E U ) with respect to the concentration for the samples annealed at different temperatures (300• C, and 400• C). Annealing shows its effect on the samples with the variations in the values of E g and E U . These variations are explained on the basis of formation of different molecular species like BO 3 − units, boroxol rings, and the change in the number of nonbridging oxygen atoms.

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From Nano‐Object to Nanomaterial

Corriu

Anh

2009

Molecular Chemistry of Sol‐Gel Derived Nanomaterials

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We have presented nano-objects and drawn attention to their importance in the exploration of the nanoworld, which can lead to entirely original physical properties, resulting in a new generation of materials. However exciting, innovative and fruitful this may be, this development is only a part of nanosciences. For chemists, the main objective of nanosciences is the discovery of new preparations of nanomaterials by the bottom-up approach. A nano-object is not a material, only a chemical product with a certain property. Without assemblage and shaping, it remains a laboratory curiosity.The purpose of this chapter is to present some different types of nanomaterials currently available and to describe their likely development in the near future. THE DIFFERENT TYPES OF NANOMATERIALSWhat do we mean by nanomaterials? As with any materials, nanomaterials are stable solids exhibiting usable (physical, chemical, mechanical, even biological) properties. They must be shaped, i.e. they must come as films, matrices or fibers. In other words, they must present specifications well defined for a precise application. However, nanomaterials differ from classical materials on several points. First, molecular (organic, organometallic, coordination, etc.) chemistry is extensively involved. Secondly, Molecular Chemistry of Sol-Gel Derived Nanomaterials Robert Corriu and Nguyên Trong Anh

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Boron oxyfluoride glasses in the BOF system: new polymeric spaghetti-type glasses

Cited by 16 publications

References 4 publications

Effect of Stepwise Replacement of Non-Oxide to Oxide Group on Structural Properties ofBi2O3·LiF·B2<

Effect of Stepwise Replacement of Non-Oxide to Oxide Group on Structural Properties ofBi2O3·LiF·B2<

Effect of Annealing on Optical Properties of ZnO·LiF·B2O3 Glasses

From Nano‐Object to Nanomaterial

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