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Abstract
This study investigated the optical properties and the interband transition of a ternary [100]-oriented 6PSN-61PMN-33PT relaxor ferroelectric single crystal. Compared with the binary [100]-oriented PMN-32PT crystal, the [100]-oriented 6PSN-61PMN-33PT crystal exhibited excellent optical properties, including high transmittance, low refractive index, weak frequency dispersion, and low reflection and absorption coefficients. All these differences can be attributed to the structural changes of the 6PSN-61PMN-33PT crystal, such as its large lattice size and increased band gap. The crystal’s transmittance was significantly improved after alternating current electric field poling due to the increased domain size and the order domain structure. The largest transmittance for the 6PSN-61PMN-33PT crystal was up to 66%. Our experimental results indicate that the ternary 6PSN-61PMN-33PT ferroelectric single crystal has great application potential in the optical field.
Highlights
Multifunctional materials with acoustic, optical, electrical, and magnetic properties are considered the mainstream of the future development in the materials science field.Ferroelectric crystals integrated with excellent optical and electrical properties have great application prospect in advanced devices such as electro-optic switches, electro-optic modulators, and light valves.PbTiO3 -based relaxor ferroelectric crystals such as (1-x)Pb(Mg1/3 Nb2/3 )O3 –xPbTiO3(PMN–PT) with a composition near the morphotropic phase boundary (MPB) have attracted a great deal of attention due to their remarkable electrical properties (d33 ~ 2500 pC/N, k33 ~ 95%, S ~ 1.7%) [1,2,3,4,5], which can be used in medical ultrasound probes, submarine sonars, military sensors, etc
PbTiO3 -based relaxor ferroelectric crystals such as (1-x)Pb(Mg1/3 Nb2/3 )O3 –xPbTiO3 (PMN–PT) with a composition near the morphotropic phase boundary (MPB) have attracted a great deal of attention due to their remarkable electrical properties (d33 ~ 2500 pC/N, k33 ~ 95%, S ~ 1.7%) [1,2,3,4,5], which can be used in medical ultrasound probes, submarine sonars, military sensors, etc
No study has yet focused on the optical propertiesPSNof the which are detrimental to the design oftooptical devices and thedevices developternarycrystal, Pb(Sc1/2 Nb1/2 )O3 (PSN)-PMN-PT
Summary
Multifunctional materials with acoustic, optical, electrical, and magnetic properties are considered the mainstream of the future development in the materials science field. The introduction of Sc3+ into LiNbO3 ferrotricelectric crystalcrystal has been reported to increase the crystal’s optical damage-resistance properties has been reported to increase the crystal’s optical damage-resistance prop[17]. We speculate thatPSN-PMN-PT ternary PSN-PMN-PT crystal have higher damage-resistance propertiesproperties than PMN-PT indicating its potential optical damage-resistance than crystal, PMN-PT crystal, indicating its application potential approspect in the optical field. No study has yet focused on the optical properties of the ternary electrical properties [11,12,13,14,15,16]. No study has yet focused on the optical propertiesPSNof the which are detrimental to the design oftooptical devices and thedevices developternarycrystal, PSN-PMN-PT crystal, which are detrimental the design of optical and ment multifunctional materials. The effects of the polarization method onon thethe oriented ternary 6PSN-61PMN-33PT crystal.
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