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International Scholarly Research Notices
Table of Contents
International Scholarly Research Notices
/
2012
/
Article
/
Tab 1
/
Research Article
Effect of Stepwise Replacement of Non-Oxide to Oxide Group on Structural Properties of
·LiF·
Glasses
Table 1
FTIR absorption assignments of the samples with
x =
0, 5, 10, 15, and 20 in the compositions
.
Wavenumber
(cm
−1
)
Assignment
685
Bending of B–O–B linkage in borate network
779
B–F bonds
901
Bi–O and Bi–O–Bi bands in BiO
6
octahedra
910
B–O bond stretching in BO
4
units
1100
Pentaborate and diborate species
1210, 1220
Stretching vibrations of B–O bonds in BO
3
units from meta and orthoborate groups
1295
BO
2
F units and Bi–O–Bi vibrations of BiO
6
octahedral units
1365
B–O asymmetric stretching vibrations in BO
3
and
units
1370
BiO units
1440, 1530
B-O
−
stretching vibrations of BO
3
units from varied types of borate groups