Crystallographic Changes In Lead Zirconate Titanate Due To Neutron Irradiation




Henriques, A.
Graham, J. T.
Landsberger, S.
Ihlefeld, J. F.
Brennecka, G. L.
Brown, D. W.
Forrester, J. S.
Jones, J. L.

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Piezoelectric and ferroelectric materials are useful as the active element in non-destructive monitoring devices for high-radiation areas. Here, crystallographic structural refinement (i. e., the Rietveld method) is used to quantify the type and extent of structural changes in PbZr0.5Ti0.5O3 after exposure to a 1 MeV equivalent neutron fluence of 1.7x10(15) neutrons/cm(2). The results showa measurable decrease in the occupancy of Pb and O due to irradiation, with O vacancies in the tetragonal phase being created preferentially on one of the two O sites. The results demonstrate a method by which the effects of radiation on crystallographic structure may be investigated. (C) 2014 Author(s).


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Alexandra Henriques, Joseph T. Graham, Sheldon Landsberger, Jon F. Ihlefeld, Geoff L. Brennecka, Donald W. Brown, Jennifer S. Forrester, and Jacob L. Jones. AIP Advances, Vol. 4, No. 11, (Nov., 2011). DOI: 10.1063/1.4902179