Mathematics, Statistics, Computer Science, Physics and Astronomy
Glasses in the system [50Li 2 O-xB 2 O 3 -(50-x)P 2 O 5 ] (10 < x < 27.5), have been prepared by the meltquenching technique. Density, molar volume, hardness and Ft-IR spectroscopy have been employed to study therole of B 2 O 3 on the structure of the glass network. The results of density and hardness showed that bothincreased as P 2 O 5 is replaced by B 2 O 5 [as y was increased from 0.2 up to 0.4 where (y = B 2 O 3 /(B 2 O 3 +P 2 O 5 ))].After Y 0.4 both of them decreased. Infrared spectra reveal that with the replacement P-O-B bonds are presentat very low B 2 O 3 content and their relative amount increased within the whole range of B 2 O 3 . BO 4 tetrahedralgroups are predominant (~ 100%) up to 15 mole% B 2 O 3 . Then, the proportion of BO 3 units starts to appear.
How to Cite This Article
Nassar, A.; Nabhan, E.; and Ramadan, Al-Sh.
"STRUCTURAL STUDY OF SOME LITHIUM BOROPHOSPHATE GLASSES USING DENSITY, HARDNESS AND INFRARED SPECTROSCOPY,"
Al-Azhar Bulletin of Science: Vol. 27:
2, Article 4.