journal article·2014-11-01Open access

Crystallographic changes in lead zirconate titanate due to neutron irradiation

Alexandra Henriques, Joseph T. Graham, Sheldon Landsberger, Jon F. Ihlefeld, Geoff L. Brennecka, Donald W. Brown, Jennifer S. Forrester, Jacob L. Jones

AIP Advances· Volume 4· Issue 11

Abstract

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 1.7 × 1015 neutrons/cm2. 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.
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Research context

OpenAlex topics: Ferroelectric and Piezoelectric Materials · Nuclear materials and radiation effects · Solid-state spectroscopy and crystallography

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

University of Florida 1 Department of Materials Science and Engineering, , Gainesville, Florida 32611, USA

University of Tennessee 2 Department of Materials Science and Engineering, , Knoxville, Tennessee 37996, USA

University of Texas 3 Nuclear Engineering Teaching Lab, Department of Mechanical Engineering, , Austin, Texas 78712, USA

Sandia National Laboratories 4 Electronic, Optical, and Nanomaterials Department, , Albuquerque, New Mexico 87185, USA

Los Alamos Neutron Science Center 5 , Los Alamos, New Mexico 87185, USA

North Carolina State University 6 Department of Materials Science and Engineering, , Raleigh, North Carolina 27695, USA

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