Process for producing a particularly strong scintillation material, a crystal obtained by said process and uses thereof
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United States of America Patent
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Issued Date -
Apr 14, 2011
app pub date -
Oct 7, 2010
filing date -
Oct 9, 2009
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Abandoned
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Abstract
A large-volume scintillation crystal affording a high scintillation yield and having high mechanical strength is obtained by growing a crystal from a melt containing strontium iodide, barium iodide or a mixture thereof and by doping with an activator. To this end, the melt is enclosed in a closed volume. Before and/or during the growing, the melt is in diffusion-permitting connection, via the enclosed volume, with an oxygen getter which sets a constant oxygen potential in the closed volume and the melt. Such a scintillation crystal is suitable for detecting UV-, gamma-, beta-, alpha- and/or positron radiation.
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