期刊
ADVANCED OPTICAL MATERIALS
卷 3, 期 4, 页码 463-481出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adom.201400571
关键词
scintillators; single crystals; radiation; detectors; rare earths
资金
- Czech Science foundation [P204/12/0805]
- MEYS, Kontakt [LH14266]
- JST Program
- Adaptable & Seamless Technology Transfer Program through Target-driven RD (A-STEP)
- Development of Systems and Technology for Advanced Measurement and Analysis
In this review, the major achievements and research and development (R&D) trends from the last decade in the field of single crystal scintillator materials are described. Two material families are included, namely, those of halide and oxide compounds. In most cases, the host crystals are doped with Ce3+, Pr3+ or Eu2+ rare earth ions. Their spin- and parity-allowed 5d-4f transitions enable a rapid scintillation response, on the order of tens to hundreds of nanoseconds. Technological recipes, extended characterization by means of optical and magnetic spectroscopies, and theoretical studies are described. The latter provide further support to experimental results and provide a better understanding of the host electronic band structure, energy levels of specific defects, and the emission centers themselves. Applications in medical imaging and dosimetry, security measures, high-energy physics and the high-tech industry, in which X()-rays or particle beams are used and monitored, are recognized as the main driving factor for R&D activities in this field.
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