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Title: Barium iodide and strontium iodide crystals and scintillators implementing the same

Abstract

In one embodiment, a material comprises a crystal comprising strontium iodide providing at least 50,000 photons per MeV, where the strontium iodide material is characterized by a volume not less than 1 cm.sup.3. In another embodiment, a scintillator optic includes europium-doped strontium iodide providing at least 50,000 photons per MeV, where the europium in the crystal is primarily Eu.sup.2+, and the europium is present in an amount greater than about 1.6%. A scintillator radiation detector in yet another embodiment includes a scintillator optic comprising SrI.sub.2 and BaI.sub.2, where a ratio of SrI.sub.2 to BaI.sub.2 is in a range of between 0:1 and 1.0, the scintillator optic is a crystal that provides at least 50,000 scintillation photons per MeV and energy resolution of less than about 5% at 662 keV, and the crystal has a volume of 1 cm.sup.3 or more; the scintillator optic contains more than about 2% europium.

Inventors:
; ; ; ;
Issue Date:
Research Org.:
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1333729
Patent Number(s):
9,507,032
Application Number:
14/047,893
Assignee:
Lawrence Livermore National Security, LLC (Livermore, CA)
DOE Contract Number:  
AC52-07NA27344
Resource Type:
Patent
Resource Relation:
Patent File Date: 2013 Oct 07
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Payne, Stephen A., Cherepy, Nerine J., Hull, Giulia E., Drobshoff, Alexander D., and Burger, Arnold. Barium iodide and strontium iodide crystals and scintillators implementing the same. United States: N. p., 2016. Web.
Payne, Stephen A., Cherepy, Nerine J., Hull, Giulia E., Drobshoff, Alexander D., & Burger, Arnold. Barium iodide and strontium iodide crystals and scintillators implementing the same. United States.
Payne, Stephen A., Cherepy, Nerine J., Hull, Giulia E., Drobshoff, Alexander D., and Burger, Arnold. Tue . "Barium iodide and strontium iodide crystals and scintillators implementing the same". United States. https://www.osti.gov/servlets/purl/1333729.
@article{osti_1333729,
title = {Barium iodide and strontium iodide crystals and scintillators implementing the same},
author = {Payne, Stephen A. and Cherepy, Nerine J. and Hull, Giulia E. and Drobshoff, Alexander D. and Burger, Arnold},
abstractNote = {In one embodiment, a material comprises a crystal comprising strontium iodide providing at least 50,000 photons per MeV, where the strontium iodide material is characterized by a volume not less than 1 cm.sup.3. In another embodiment, a scintillator optic includes europium-doped strontium iodide providing at least 50,000 photons per MeV, where the europium in the crystal is primarily Eu.sup.2+, and the europium is present in an amount greater than about 1.6%. A scintillator radiation detector in yet another embodiment includes a scintillator optic comprising SrI.sub.2 and BaI.sub.2, where a ratio of SrI.sub.2 to BaI.sub.2 is in a range of between 0:1 and 1.0, the scintillator optic is a crystal that provides at least 50,000 scintillation photons per MeV and energy resolution of less than about 5% at 662 keV, and the crystal has a volume of 1 cm.sup.3 or more; the scintillator optic contains more than about 2% europium.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2016},
month = {11}
}

Patent:

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