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Thin Film Combinatorial Synthesis Of Advanced Scintillation Materials, Jonathan Daniel Peak
Thin Film Combinatorial Synthesis Of Advanced Scintillation Materials, Jonathan Daniel Peak
Doctoral Dissertations
The development and application of a combinatorial sputtering thin film technique to screen potential scintillation material systems was investigated. The technique was first benchmarked by exploring the binary lutetium oxide-silicon oxide material system, which successfully identified the luminescence phases of the system, Lu2SiO5 (LSO) and Lu2Si2O7 (LPS). The second application was to optimize the activator concentration in cerium doped LSO. The successfully optimized cerium concentration in the thin film LSO of 0.34 atomic percent was much greater than the standard cerium concentration in single crystal LSO. This lead to an intensive study based on temperature dependent steady-state and lifetime photoluminescence …