Interpretation of IR spectra for lithium and sodium borate glasses
Journal Article
·
· Glass Physics and Chemistry
OSTI ID:54514
- Institute of Technology, St. Petersburg (Russian Federation)
In the boron-oxygen groupings of crystalline and vitreous borates, such as triborate, tetraborate, and pentaborate, where B{sup III}-O(B{sup III}) and B{sup III}-O(B{sup IV}) bonds are present at the same time, one may arbitrarily single out groups of atoms with such bonds, similar to pyroborate and chain metaborate groupings in terms of structure and in the predominant localization of vibrations. From an analysis of what is known about the origin of bands in the IR spectra of the glasses investigated over the entire range of their compositions, may attribute the 1150-1300 cm{sup -1} bands mainly to the stretching vibrations of atoms in groups with B{sup III}-O(B{sup III}) bonds and, in glasses low in B{sub 2}O{sub 3}, also in BO{sup 3-}{sub 3} groups; in the 1300-1500 cm{sup -1} range, this holds for groups with B{sup III}-O(B{sup IV}) and/or B{sup III}-O{sup -} bonds.
- OSTI ID:
- 54514
- Journal Information:
- Glass Physics and Chemistry, Journal Name: Glass Physics and Chemistry Journal Issue: 3 Vol. 20; ISSN GPHCEE
- Country of Publication:
- United States
- Language:
- English
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