Scintillator compositions, related processes, and articles...

Radiant energy – Invisible radiant energy responsive electric signalling – With or including a luminophor

Reexamination Certificate

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Reexamination Certificate

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07141794

ABSTRACT:
A scintillator composition of a halide perovskite material of at least one ABX3type halide perovskite, at least one activator for the matrix material and optionally at least one charge compensator to assist the incorporation of the activator in the perovskite lattice and any reaction products thereof. Radiation detectors that use the scintillators are also described, as are related methods for detecting high-energy radiation and method of producing an activated halide-perovskite based scintillator crystal.

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patent: 6624422 (2003-09-01), Williams et al.
patent: 2001/0053017 (2001-12-01), Oyama
A.V. Gektin, “Scintillators and storage phosphors based on ABX3crystals”, Journal of Luminescence, 87-89, pp. 1283-1285, 2000.
O.T. Antonyak, et al “Study of Features of Excitation of Ce3+Ions in Perovskite Halide Crystals”, Optics and Spectroscopy, vol. 84, No. 6, pp. 861-864, 1998.
A.V. Gektin, et al High temperature thermoluminescence of KMgF3—based crystals, Journal of Luminescence, 72-74 pp. 664-666, 1997.
A.S. Voloshinovskh, et al “Peculiarities of Excitation of Ce-Emission in core region of Chlorine Perovskites”, Radiation Measurements, vol. 29, No. 3-4, pp. 251-255, 1998.
G. Blasse, et al, “Luminescent Materials”, X-Ray Phospors and Scintillators (Counting Techniques), Springer-Verlag, Berlin, Heidelberg, New York, London, Paris, Tokyo, Hong, Kong, Barcelona, Budapest, pp. 178-194, no date.
JC Brice, et al, “Crystal Growth Processes”, Blackie Glasgow and London Halsted Press, a Division of John Wiley and Sons, pp. 104-162, no date.

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