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Scintillation properties of LuI3:Ce

✍ Scribed by J. Glodo; K.S. Shah; M. Klugerman; P. Wong; B. Higgins; P. Dorenbos

Publisher
Elsevier Science
Year
2005
Tongue
English
Weight
214 KB
Volume
537
Category
Article
ISSN
0168-9002

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✦ Synopsis

Lutetium iodide (LuI 3 ) is a new addition to the family of Ce-doped lanthanide trihalide scintillating materials. Crystals of this material show hexagonal structure with density of 5.6 g/cm 3 and have been grown by the Bridgman method. Under X-ray excitation this material exhibits broad, cerium based emission that peaks at 475 and 520 nm. The fastest and major component of scintillation time profile of LuI 3 :Ce emission decays with a 31 ns time constant. The light yield of LuI 3 :Ce for thin samples ($0.2 mm) was estimated to be $50,000 photons/MeV.

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