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Lead indium niobate-lead magnesium niobate-lead titanate relaxor ferroelectric textured ceramic with high electrical properties and preparation method and application of textured ceramic
The invention discloses a lead indium niobate-lead magnesium niobate-lead titanate relaxor ferroelectric textured ceramic with high electrical properties and a preparation method and application of the textured ceramic and relates to the field of piezoelectric and ferroelectric materials. The invention aims to solve the problem that an existing PIN-PMN-PT single crystal component is segregated, the available size is limited, the mechanical property is poor, and the PIN-PMN-PT ceramic is low in electric property. The chemical formula is xPb(In<1/2>Nb<1/2>)O<3>-(1-x-y)Pb(Mg<1/3>Nb<2/3>)O<3>-yPbTiO<3>-avol.%BaTiO<3>. The method comprises the steps: preparing PIN-PMN-PT fine crystal matrix powder by a two-step synthetic method; preparing a BaTiO<3> sheet micro-crystal template by virtue of a local chemical micro-crystal substitution method; and preparing the PIN-PMN-PT-based ternary relaxor ferroelectric textured ceramic orientated along [001] height by adopting a template grain orientated growth technology. The ceramic is applied to the field of ultrasonic transducers, piezoelectric drivers and piezoelectric sensors.
Lead indium niobate-lead magnesium niobate-lead titanate relaxor ferroelectric textured ceramic with high electrical properties and preparation method and application of textured ceramic
The invention discloses a lead indium niobate-lead magnesium niobate-lead titanate relaxor ferroelectric textured ceramic with high electrical properties and a preparation method and application of the textured ceramic and relates to the field of piezoelectric and ferroelectric materials. The invention aims to solve the problem that an existing PIN-PMN-PT single crystal component is segregated, the available size is limited, the mechanical property is poor, and the PIN-PMN-PT ceramic is low in electric property. The chemical formula is xPb(In<1/2>Nb<1/2>)O<3>-(1-x-y)Pb(Mg<1/3>Nb<2/3>)O<3>-yPbTiO<3>-avol.%BaTiO<3>. The method comprises the steps: preparing PIN-PMN-PT fine crystal matrix powder by a two-step synthetic method; preparing a BaTiO<3> sheet micro-crystal template by virtue of a local chemical micro-crystal substitution method; and preparing the PIN-PMN-PT-based ternary relaxor ferroelectric textured ceramic orientated along [001] height by adopting a template grain orientated growth technology. The ceramic is applied to the field of ultrasonic transducers, piezoelectric drivers and piezoelectric sensors.
Lead indium niobate-lead magnesium niobate-lead titanate relaxor ferroelectric textured ceramic with high electrical properties and preparation method and application of textured ceramic
CHANG YUNFEI (Autor:in) / WU JIE (Autor:in) / SUN YUAN (Autor:in) / YANG BIN (Autor:in) / CAO WENWU (Autor:in)
21.10.2015
Patent
Elektronische Ressource
Englisch
IPC:
C04B
Kalk
,
LIME
| Europäisches Patentamt | 2022
| Europäisches Patentamt | 2023
| Europäisches Patentamt | 2022
| Europäisches Patentamt | 2023