Luminescence of rare-earth activated Y2SiO5
作者： D. Meiβ , S. Kemmler-Sack
DOI: 10.1016/0254-0584(93)90184-N
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摘要: Abstract Coactivation of Y2SiO5 with the electron trap Eu3+ and hole traps Pr3+, Tb3+ or Dy3+ results in cathodoluminescence for couple Eu 3+ Tb an efficient energy transfer → owing to strong binding potential carriers high hole-capture cross section Tb3+. However, combinations Pr Dy , Pr3+ is reduced. Furthermore, hampered by presence lattice defects. Because differences mechanisms photo- cathodoluminescence, present photoluminescence only concentrations, as a consequence mobility excitation sublattice.
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