Elucidation of coordination structure around Ce{sup 3+} in doped SiO{sub 2} glasses using pulsed electron paramagnetic resonance: Effect of phosphorus, boron, and phosphorus-boron codoping
Journal Article
·
· Physical Review. B, Condensed Matter and Materials Physics
- Frontier Collaborative Research Center, Tokyo Institute of Technology, Nagatsuta, Midori-ku, Yokohama 226-8503 (Japan)
- Showa Electric Wire and Cable, Minami-Hashimoto, Sagamihara 299-1133 (Japan)
- ERATO-SORST, Japan Science and Technology Agency, Frontier Collaborative Research Center, Tokyo Institute of Technology, Nagatsuta, Midori-ku, Yokohama 226-8503 (Japan)
Effects of codoping of phosphorus and/or boron on the coordination sphere of a Ce{sup 3+} in SiO{sub 2} glasses were examined by applying pulsed electron paramagnetic resonance (EPR) electron spin echo envelope modulation (ESEEM) spectroscopy. Simulation of the observed ESEEM pattern revealed a striking difference in the solvation shell structure between the P-doped and the P-free glasses, i.e., the P doping is very effective for the formation of the solvation shell, while no such an effect was observed for the B doping. When P and B are simultaneously doped, the solvation shell structure is close to that in the P-doped samples. Photoluminescence properties of Ce{sup 3+} in these samples were found to be classified into two categories corresponding to the solvation shell structures.
- OSTI ID:
- 20787734
- Journal Information:
- Physical Review. B, Condensed Matter and Materials Physics, Journal Name: Physical Review. B, Condensed Matter and Materials Physics Journal Issue: 21 Vol. 72; ISSN 1098-0121
- Country of Publication:
- United States
- Language:
- English
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