In-situ neutron diffraction study of Pb(In1/2Nb1/2)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3 single crystals under uniaxial mechanical stress

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dc.contributor.authorLi, Qen_AU
dc.contributor.authorLiu, Yen_AU
dc.contributor.authorLuzin, Ven_AU
dc.contributor.authorStuder, AJen_AU
dc.contributor.authorWan, YHen_AU
dc.contributor.authorLi, ZRen_AU
dc.contributor.authorNorén, Len_AU
dc.contributor.authorWithers, RLen_AU
dc.contributor.authorXu, Zen_AU
dc.date.accessioned2012-06-19T06:27:47Zen_AU
dc.date.available2012-06-19T06:27:47Zen_AU
dc.date.issued2012-04-26en_AU
dc.date.statistics2012-06-18en_AU
dc.description.abstractIn this paper, we report the phase transition behavior of ternary relaxor ferroelectric single crystals of 0.25Pb(In1/2Nb1/2)O-3-0.44Pb(Mg1/3Nb2/3)O-3-0.31PbTiO(3) subject to a uniaxial mechanical stress up to 400 MPa. The resultant in situ neutron diffraction data are interpreted in terms of the polarization rotation theory and provide direct structural evidence for the stress-induced polarization rotation pathway deduced from studies of macroscopic physical properties under stress. It is suggested that an intermediate, metastable orthorhombic phase is induced above a critical pressure of similar to 75 MPa. This critical stress level appears to be unaffected by sample poling although the ground states (at zero stress) for the poled and unpoled crystals are different. The critical stress level, however, does decrease with increasing temperature. The elastic behavior of the intermediate phases is also studied based on a calculation of the associated lattice strains. (C) 2012 American Institute of Physics.en_AU
dc.identifier.articlenumber084110en_AU
dc.identifier.citationLi, Q., Liu, Y., Luzin, V., Studer, A. J., Wan, Y. H., Li, Z. R., Norén, L., Withers, R. L., Xu. Z. (2012). In-situ neutron diffraction study of Pb(In1/2Nb1/2)O-3-Pb(Mg1/3Nb2/3)O-3-PbTiO3 single crystals under uniaxial mechanical stress. Journal of Applied Physics, 111(8), 084110. doi:10.1063/1.4706563en_AU
dc.identifier.govdoc4393en_AU
dc.identifier.issn0021-8979en_AU
dc.identifier.issue8en_AU
dc.identifier.journaltitleJournal of Applied Physicsen_AU
dc.identifier.urihttp://dx.doi.org/10.1063/1.4706563en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/4341en_AU
dc.identifier.volume111en_AU
dc.language.isoenen_AU
dc.publisherAmerican Institute of Physicsen_AU
dc.subjectNeutron diffractionen_AU
dc.subjectPolarizationen_AU
dc.subjectRelaxationen_AU
dc.subjectFerroelectric materialsen_AU
dc.subjectCrystal latticesen_AU
dc.subjectElasticityen_AU
dc.titleIn-situ neutron diffraction study of Pb(In1/2Nb1/2)O3-Pb(Mg1/3Nb2/3)O3-PbTiO3 single crystals under uniaxial mechanical stressen_AU
dc.typeJournal Articleen_AU
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