Luminous material for scintillator comprising single crystal...

Details Luminous material for scintillator comprising single crystal... Luminous material for scintillator comprising single crystal...

2008-03-25

2008-03-25

Koslow, C. Melissa (Department: 1755)

Compositions

Inorganic luminescent compositions

Compositions containing halogen; e.g., halides and oxyhalides

C117S945000, C117S944000

Reexamination Certificate

active

07347956

ABSTRACT:
Disclosed is a luminescent material for scintillators, which comprises a single crystal of an Yb-containing mixed-crystal oxide having a base crystal consisting of a garnet single crystal or a borate single crystal. The oxide single crystal has a composition represented by either one selected from the group consisting of R3Al5O12, R3Ga5O12, Li6R(BO3)3, LaR2Ga3O12and Gd3R2Ga3O12, wherein R is a mixture of Yb and either one of Y, Gd and Lu. The Yb as an element capable of forming an optically active state called CTS together with a neighboring negative ion (oxygen ion).

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Yoshikawa et al “{Y3-xYbx}[Ga]2(Ga)3O12 and {Lu2Yb1}{Al}2(Al)3O12 single crystals for scintillator application grown by the modified micro-pulling-down method”, Nuclear Inst. and methods in Physics Res A, 486, pp. 79-82, Jun. 2002.
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