Abstract
Glasses were prepared from the system xLa2O3·(1-x)P2O5, where 0.00≤x≤0.30 (mole fraction), and densities, refractive indices and glass transition temperatures were determined. Inflections in the property/composition trends were observed at x approximately 0.15 La2O3. Raman spectra indicate that the phosphate network evolves from a cross-linked ultraphosphate to chain-like metaphosphate with increasing x. The property and spectral trends are interpreted with respect to the La-coordination environment, which appears to change from isolated La-polyhedra to a La-O-La subnetwork when x≥0.15.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 88-94 |
| Number of pages | 7 |
| Journal | Proceedings of SPIE - The International Society for Optical Engineering |
| Volume | 4102 |
| DOIs | |
| State | Published - Jan 1 2000 |
All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics
- Computer Science Applications
- Applied Mathematics
- Electrical and Electronic Engineering
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Brow, R., Metwalli, E., & Sidebottom, D. (2000). Properties and structure of lanthanum phosphate glasses. Proceedings of SPIE - The International Society for Optical Engineering, 4102, 88-94. https://doi.org/10.1117/12.405272