Procedure to obtain Gd2O2S: Pr for CT with a very short afterglow

The present invention is directed to a Gd2O2S:M fluorescent ceramic material with a very short afterglow, wherein M represents at least one element selected from the group Pr, Th, Yb, Dy, Sm and/or Ho and the Gd2O2S:M fluorescent ceramic material comprises further: europium of 1 wt. ppm based on Gd2...

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Bibliographic Details
Main Authors ZEITLER GUNTER, WIECZOREK HERFRIED, SCHREINEMACHEN HERBERT, RONDA CORNELIS REINDER, WADOW DIETER
Format Patent
LanguageEnglish
Published 15.11.2011
Subjects
ADHESIVES
CHEMISTRY
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM,CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THERARE-EARTH METALS
DYES
INORGANIC CHEMISTRY
MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
NATURAL RESINS
PAINTS
POLISHES
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Summary:The present invention is directed to a Gd2O2S:M fluorescent ceramic material with a very short afterglow, wherein M represents at least one element selected from the group Pr, Th, Yb, Dy, Sm and/or Ho and the Gd2O2S:M fluorescent ceramic material comprises further: europium of 1 wt. ppm based on Gd2O2S, and cerium of 0.1 wt. ppm to 100 wt. ppm based on Gd2O2S, wherein the content of cerium is in excess of the content of europium with a ratio of europium to cerium of 1:10 to 1:150.
Bibliography:Application Number: US20060911724