Crystallographic changes in lead zirconate titanate due to neutron irradiation
- Department of Materials Science and Engineering, University of Florida, Gainesville, Florida 32611 (United States)
- Department of Materials Science and Engineering, University of Tennessee, Knoxville, Tennessee 37996 (United States)
- Nuclear Engineering Teaching Lab, Department of Mechanical Engineering, University of Texas, Austin, Texas 78712 (United States)
- Electronic, Optical, and Nanomaterials Department, Sandia National Laboratories, Albuquerque, New Mexico 87185 (United States)
- Los Alamos Neutron Science Center, Los Alamos, New Mexico 87185 (United States)
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 PbZr{sub 0.5}Ti{sub 0.5}O{sub 3} after exposure to a 1 MeV equivalent neutron fluence of 1.7 × 10{sup 15} neutrons/cm{sup 2}. The results show a 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.
- OSTI ID:
- 22420164
- Journal Information:
- AIP Advances, Vol. 4, Issue 11; Other Information: (c) 2014 Author(s); Country of input: International Atomic Energy Agency (IAEA); ISSN 2158-3226
- Country of Publication:
- United States
- Language:
- English
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