Study of diffuse scattering under hydrostatic pressure in PbMg1/3Nb2/3O3
G -M Rotaru, B Padmanabhan, S N Gvasaliya, B Roessli, Th Strassle, R A, Cowley, S G Lushnikov, S Klotz
TL;DR
This study investigates how hydrostatic pressure affects diffuse scattering in PbMg1/3Nb2/3O3, revealing suppression of diffuse scattering intensity at around 3 GPa and discussing its relation to relaxor properties.
Contribution
It provides new insights into the pressure dependence of diffuse scattering and relaxor behavior in PbMg1/3Nb2/3O3, a lead-based relaxor ferroelectric.
Findings
Diffuse scattering intensity decreases with pressure.
Diffuse scattering is suppressed at about 3 GPa.
No change in line shape of diffuse scattering observed.
Abstract
We report measurements of the evolution of the diffuse scattering in a single crystal PbMg1/3Nb2/3O3 as a function of hydrostatic pressure. Upon applying pressure the diffuse scattering intensity decreases and is suppressed at about 3 GPa, while no change in the line shape is observed. Correlations between Pb displacements, diffuse scattering and relaxor properties are discussed.
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Taxonomy
TopicsFerroelectric and Piezoelectric Materials · Photorefractive and Nonlinear Optics · Acoustic Wave Resonator Technologies