Studies on the synthesis and characterization of cesium-containing iron phosphate glasses

Spectroscopic evidence of irreversible changes in cesium loaded iron phosphate glasses under pressure

“…No signature of devitrification has been observed even for IPGC35. This is in agreement with earlier studies on cesium doped IPG [22]. Raman spectra under ambient conditions were measured using a high throughput micro-Raman spectrometer (Renishaw -model inVia) in the backscattering geometry using 25 mW power of the 514 nm line of an Ar ion laser.…”

“…Table 1 gives the sample identification code, the nominal composition of each of the constituents in the glass sample in mol% along with the respective pouring temperatures. Estimated error on nominal composition values reported in Table 1 is~3% [22].…”

Thermal properties of 60P2O5–20Fe2O3–20Al2O3 glass for salt waste immobilization

“…On the other hand, during studies on immobilization of caesium, there were obtained glasses with almost only ferric iron but with some Cs 2 O content. The structure of these glasses does not change with Cs 2 O content up to about 22 mol%, but above this threshold some structural changes are observed [14,15]. Analogously, investigations on immobilization of Na 2 SO 4 in similar glasses showed an increase in stability of the glass structure up to about 30 mol% and rebuilding it for higher contents of Na 2 O [16].…”

Materials science research for sodium cooled fast reactors

“…IPG was also found to be an excellent host for Cs. Up to 36 mol% Cs (inactive) could be easily loaded by melting at 1123 K (pouring temperature, 1263 K) with negligible weight loss (Joseph et al 2009). Radioactive Cs-loaded IPG pencils can be developed for clinical applications.…”