Rare earth X-ray scintillator compositions

Details Rare earth X-ray scintillator compositions Rare earth X-ray scintillator compositions

1998-10-28

2000-07-25

Koslow, C. Melissa

Compositions

Inorganic luminescent compositions

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

501152, 372 62, 2504831, 250362, 25037011, 25037012, C09K 1178

Patent

active

06093347&

ABSTRACT:
Decay time in scintillator compositions comprising yttrium or lutetium and gadolinium oxides and europium oxide is decreased by incorporating therein at least one of the oxides of ytterbium, samarium, praseodymium, neodymium, dysprosium, holmium, thulium, cerium and erbium as an acceptor. Other properties including afterglow and radiation damage are maintained at acceptable levels.

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Mildred Ling et al., UV Absorption Coefficients of Y2(1-x-y) GD2xEu2y03 Phosphors, 89 Extended Abstracts 832-33 (1989), no month.

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