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Proceedings Paper

Fracture and deformation behavior of common and novel scintillating single crystals
Author(s): K. O. Findley; J. Johnson; D. F. Bahr; F. P. Doty; J. Frey
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Paper Abstract

The ability to manufacture large scale scintillating crystals is directly linked to the mechanical properties of the crystal. In this paper, estimated mechanical properties, including hardness, modulus, and fracture toughness of novel and established scintillating single crystals including CsI(Tl), CdWO4, NaI(Tl), and LaBr3(Ce). Lanthanum and cerium halide crystals have shown particular promise as scintillating materials because of their high luminosity and proportional response. However, the ability to manufacture large crystals of these materials is limited by their low fracture toughness. The mechanical properties of all the crystals are discussed in terms of the materials' deformation and fracture mechanisms and resulting manufacturability.

Paper Details

Date Published: 18 October 2007
PDF: 12 pages
Proc. SPIE 6707, Penetrating Radiation Systems and Applications VIII, 670706 (18 October 2007); doi: 10.1117/12.740822
Show Author Affiliations
K. O. Findley, Washington State Univ. (United States)
J. Johnson, Washington State Univ. (United States)
D. F. Bahr, Washington State Univ. (United States)
F. P. Doty, Sandia National Labs. (United States)
J. Frey, Washington State Univ. (United States)

Published in SPIE Proceedings Vol. 6707:
Penetrating Radiation Systems and Applications VIII
F. Patrick Doty; H. Bradford Barber; Hans Roehrig, Editor(s)

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