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Issue 27, 2006
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Development and characterization of highly efficient new cerium doped rare earth halide scintillator materials

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Abstract

Inorganic scintillators for γ-ray detection are used in many fields from medical-diagnostic imaging to industrial measuring systems. Accordingly they face various demands with respect to e.g. response time, light yield, and energy resolution. The development of the new family of rare-earth halide scintillators LaCl3 ∶ Ce3+, LaBr3 ∶ Ce3+, and LuI3 ∶ Ce3+ is reviewed and their properties are compared to those of the established materials NaI ∶ Tl+ and Lu2SiO5 ∶ Ce3+. Extraordinary properties such as the short lifetime of 15 ns and the narrow energy resolution of 2.6% in LaBr3 ∶ 5% Ce3+, or the high light yield of 95000 photons per MeV in LuI3 ∶ 5% Ce3+ improve the performance of scintillators in existing applications and open the way to novel ones. The development of these new materials was empowered by the close interdisciplinary collaboration between scientists in the fields of inorganic chemistry, optical spectroscopy, and applied physics.

Graphical abstract: Development and characterization of highly efficient new cerium doped rare earth halide scintillator materials

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Publication details

The article was received on 23 Feb 2006, accepted on 26 Apr 2006 and first published on 18 May 2006


Article type: Application
DOI: 10.1039/B602762H
Citation: J. Mater. Chem., 2006,16, 2773-2780
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    Development and characterization of highly efficient new cerium doped rare earth halide scintillator materials

    K. W. Krämer, P. Dorenbos, H. U. Güdel and C. W. E. van Eijk, J. Mater. Chem., 2006, 16, 2773
    DOI: 10.1039/B602762H

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