October 2011

Journal

Performance of Europium-Doped Strontium Iodide, Transparent Ceramics and Bismuth-loaded Polymer Scintillators

By:
Cherepy, Nerine; Payne, Stephen; Sturm, Benjamin; O’Neal, S; Seeley, Zachary; Drury, Owen; Haselhorst, L; Rupert, B.; Sanner, Robert; Thelin, P; Fisher, S; Hawrami, Rastgo; Shah, Kanai; Burger, Arnold; Ramey, Joanne O; Boatner, Lynn A
Journal Name:
Proceedings of SPIE
Page Number:
1-8
Volume:
8142
Issue Number:
N/A
Publication Date:
October 5, 2011

Abstract

Recently discovered scintillators for gamma ray spectroscopy, single crystal SrI2(Eu), GYGAG(Ce) transparent ceramic and Bismuth-loaded plastics offer resolution and fabrication advantages compared to commercial scintillators, such as NaI(Tl) and standard PVT plastic. Energy resolution at 662 keV of 2.7% is obtained with SrI2(Eu), while 4.5% is obtained with GYGAG(Ce). A new transparent ceramic scintillator for radiographic imaging systems, GLO(Eu) offers high light yield of ~75,000 Ph/MeV, high stopping, and low radiation damage. Implementation of single crystal SrI2(Eu), Gd-based transparent ceramics, and Bi-loaded plastic scintillators can advance the state-of-the art in ionizing radiation detection systems.