Abstract
The electrostrictive coefficients of prototype cubic phase of PbMg1/3Nb2/3O3 are studied using a high-resolution neutron powder diffraction experiment. The key idea of the approach is to “eliminate” from the material the inhomogeneity related to the presence of the double-phase mixture “polar regions/nonpolar matrix,” and to study two structurally homogeneous states: prototype cubic at temperatures above 600 K and rhombohedral ferroelectric at temperatures below 220 K. The obtained value of volumetric electrostrictive coefficient, Qh=(8.3±1.0)×10−2 ×(m4/C2), is consistent with those of other perovskite ferroelectrics with a prototype cubic phase.
References
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Dates
Type | When |
---|---|
Created | 23 years, 1 month ago (July 26, 2002, 9:43 a.m.) |
Deposited | 1 year, 7 months ago (Feb. 3, 2024, 9:02 a.m.) |
Indexed | 4 weeks, 1 day ago (Aug. 6, 2025, 9:39 a.m.) |
Issued | 27 years, 6 months ago (March 2, 1998) |
Published | 27 years, 6 months ago (March 2, 1998) |
Published Print | 27 years, 6 months ago (March 2, 1998) |
@article{Zhao_1998, title={Neutron diffraction study of electrostrictive coefficients of prototype cubic phase of relaxor ferroelectric PbMg1/3 Nb2/3 O3}, volume={72}, ISSN={1077-3118}, url={http://dx.doi.org/10.1063/1.120960}, DOI={10.1063/1.120960}, number={9}, journal={Applied Physics Letters}, publisher={AIP Publishing}, author={Zhao, J. and Glazounov, A. E. and Zhang, Q. M. and Toby, Brian}, year={1998}, month=mar, pages={1048–1050} }