XPS Studies of Fluorine Bonding in Phosphate Glasses
The F 1s spectra from fluorine-containing phosphate glasses provide quantitative information about the nature of fluorine bonding that can be used to test structure-composition models. when fluorine is added to an aluminophosphate base glass, Al-F bonds are initially preferred until all available Al sites are filled, after which additional F replaces P-O-P bonds to form P-F sites. in tin phosphate base glasses, the P-O-P bonds are consumed during the initial stages of fluoridation, followed then by the formation of Sn-F bonds. the structural insight provided by XPS is complementary to that provided by more conventional “bulk” spectroscopic probes.
R. K. Brow and Z. A. Osborne, "XPS Studies of Fluorine Bonding in Phosphate Glasses," Surface and Interface Analysis, Wiley-Blackwell, Jan 1996.
The definitive version is available at http://dx.doi.org/10.1002/(SICI)1096-9918(199602)24:2<91
Materials Science and Engineering
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