Institute For Synchrotronstrahlung Anka

Karlsruhe, Germany

Institute For Synchrotronstrahlung Anka

Karlsruhe, Germany
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Alaribe L.,FMF Freiburger Materialforschungszentrum | Disch C.,FMF Freiburger Materialforschungszentrum | Fauler A.,FMF Freiburger Materialforschungszentrum | Engels R.,Jülich Research Center | And 4 more authors.
Materials Research Society Symposium Proceedings | Year: 2012

Eu 2+- activated strontium iodide is a promising material for x-ray and gamma ray detector. A lot of difficulties are though encountered growing strontium iodide crystals due to the high oxygen-sensitivity, hygroscopic property and high impurity concentration. Single crystals of Srl 2:Eu were grown from zone refined starting materials in silica ampoules. The crystals showed good optical qualities. The light yield of two samples cut from the same ingot was determined to be 53 000 photons/MeV and 119±22 photons/keV for a 0.4 cm 3 sample and a 360 μm sample respectively, indicating some level of light trapping in the bulk sample. Keywords: scintillator, Bridgman growth method, energy resolution. © 2011 Materials Research Society.

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