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Title: Divalent-ion-doped single crystal alkali halide scintillators

Patent ·
OSTI ID:1494122
;

A single crystal composition includes an alkali halide crystal doped with a divalent element in the amount of 0.5 to 5 weight percent, the doped crystal having an optical transmission of at least 45% at at least one wavelength. An alkali halide doped with at least one of europium and ytterbium is particularly useful as a scintillator.

Research Organization:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Organization:
USDOE
DOE Contract Number:
AC05-00OR22725
Assignee:
UT-BATTELLE, LLC (Oak Ridge, TN)
Patent Number(s):
10,125,312
Application Number:
15/257,160
OSTI ID:
1494122
Resource Relation:
Patent File Date: 2016 Sep 06
Country of Publication:
United States
Language:
English

References (19)

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Rare-Earth Halide Crystal Scintillator With Polished Sensitive Face patent-application November 2012
Barium Iodide and Strontium Iodide Crystals and Scintillators Implementing the Same patent-application February 2010
Novel Lanthanide Doped Strontium Barium Mixed Halide Scintillators patent-application July 2011
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Growth of doped crystals patent September 1977
Electromagnetic radiation imaging devices and associated methods patent July 2013
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Some lithium iodide phosphors for slow neutron detection journal March 1955
On precipitation of metastable centres in solid solutions NaCl–CaCl2 journal July 1954
Scintillation materials with reduced afterglow and method of preparation patent February 2007
Activation of alkali halides with europium converted to the divalent state by an explosion journal June 1968
Chloride, Bromide and Iodide Scintillators With Europium Doping patent-application November 2012
Optical absorption and luminescence investigations of the precipitated phases of Eu 2 + in NaCl and KCl single crystals journal December 1980
Fluorescent Properties of Alkaline Earth Aluminates of the Type MAl[sub 2]O[sub 4] Activated by Divalent Europium journal January 1968
X-ray Studies on the Structures of Solid Solutions NaCl-CaCl 2 II. Structures of {111} and {310} Plate-Zones journal September 1955
X-ray Studies on Precipitation of Metastable Centers in Mixed Crystals NaCl-CdCl 2 journal January 1961
X-ray Studies on the Structures of Solid Solutions NaCl-CaCl 2 I. Main Results and General Considerations journal September 1954
Ternary metal halide scintillators patent-application June 2016

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