Electric Field Effects on Diffuse Scattering from PMN-30PT

ORAL

Abstract

Solid solutions of the relaxor PbMg1/3Nb2/3O3 and the ferroelectric PbTiO3 produce a system with a morphotropic phase boundary near the concentration of 30% PbTiO3. At this phase boundary, the piezoelectric coefficient of the material is greatly enhanced, a useful bulk property likely arising from short-range correlations within the material. To investigate the connection between local correlations and electric fields, diffuse scattering experiments were performed on single crystals of PMN-30PT under a range of applied potentials and field directions. Different components of diffuse scattering were shown to behave differently under applied fields, providing insight into how the macroscopic piezoelectric behavior is determined by local structural correlations.

*Work at ANL supported by U.S. DOE, BES, DMSE.

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Presenters

  • Matthew Krogstad

    • Physics, Northern Illinois Univ
    • Northern Illinois Univ
    • Materials Science Division, Argonne National Laboratory

Authors

  • Matthew Krogstad

    • Physics, Northern Illinois Univ
    • Northern Illinois Univ
    • Materials Science Division, Argonne National Laboratory

  • Stephan Rosenkranz

    • Argonne Natl Lab
    • Materials Science Division, Argonne National Laboratory
    • MSD, Argonne National Laboratory
    • Argonne Nat'l Lab

  • Raymond Osborn

    • Materials Science Division, Argonne National Laboratory
    • MSD, Argonne National Laboratory
    • Argonne Nat'l Lab

  • Omar Chmaissem

    • Physics, Northern Illinois Univ
    • Northern Illinois Univ
    • Physics, Northern Illinois University

  • Feng Ye

    • Neutron Scattering Division, Oak Ridge National Lab
    • Oak Ridge National Lab
    • Oak Ridge Nat'l Lab
    • Oak Ridge National Laboratory

  • Jacob Ruff

    • CHESS
    • NIST Center for Neutron Research, National Institute of Standards and Technology
    • Cornell High Energy Synchrotron Source
    • Cornell University

  • Zhijun Xu

    • NIST Center for Neutron Research, National Institute of Standards and Technology
    • NIST -Natl Inst of Stds & Tech
    • NIST Center for Neutron Research
    • National Institute of Standards and Technology

  • Peter Gehring

    • National Center for Neutron Research, NIST
    • NIST -Natl Inst of Stds & Tech
    • NIST Center for Neutron Research

  • Daniel Phelan

    • Materials Science Division, Argonne National Laboratory
    • Material Science, Argonne National Lab
    • Argonne Nat'l Lab