O437 95063714在LiNbO<sub>3</sub>晶片上制作周期电畴反转结构的研究=Study of fabricated periodically domain invertedstructure on LiNbO<sub>3</sub> plate[会,中]/马振军,曹望和（中科院长春物理所）//...O437 95063714在LiNbO<sub>3</sub>晶片上制作周期电畴反转结构的研究=Study of fabricated periodically domain invertedstructure on LiNbO<sub>3</sub> plate[会,中]/马振军,曹望和（中科院长春物理所）//第六届纤维光学集成光学学术会议.—四川.成都,94.10利用质子交换,然后利用热处理的方法,在LiN-展开更多
PbTiO_(3)-BiScO_(3) ceramics possess high piezoelectricity and high Curie temperature simultaneously,presenting a very promising candidate for high-temperature actuators and transducers.Figuring out the underlying pie...PbTiO_(3)-BiScO_(3) ceramics possess high piezoelectricity and high Curie temperature simultaneously,presenting a very promising candidate for high-temperature actuators and transducers.Figuring out the underlying piezoelectric mechanisms is of great importance for its application.Herein,we reveal the quantified intrinsic and extrinsic contributions to the high electrostrain of the morphotropic composition with phase coexistence by employing the advanced in situ electrical biasing high-energy synchrotron X-ray diffraction combined with the STRAP(strain,texture,and Rietveld analysis for piezoceramics from diffraction)methodology.An electric field-induced phase transformation is observed between the coexisting tetragonal and rhombohedral phases.It is found that the tetragonal phase contributes most of the domain switching strain,while the predominant lattice strain is from the rhombohedral phase.With phase fraction changes,the quantitative results demonstrate that the fieldinduced electrostrain is mainly contributed by the intrinsic lattice strain.In contrast,the high irreversible domain switching strain dominates the large remanent strain.It implies that transforming the large remanent strain into reversible strain would be a strategic direction to improve the piezoelectric response.The present results provide a further understanding of the high piezoelectricity and could help to advance the application of PbTiO_(3)-BiScO_(3).展开更多
文摘O437 95063714在LiNbO<sub>3</sub>晶片上制作周期电畴反转结构的研究=Study of fabricated periodically domain invertedstructure on LiNbO<sub>3</sub> plate[会,中]/马振军,曹望和（中科院长春物理所）//第六届纤维光学集成光学学术会议.—四川.成都,94.10利用质子交换,然后利用热处理的方法,在LiN-
基金supported by the National Natural Science Foundation of China(21825102,22075014 and 12004032)the Fundamental Research Funds for the Central Universities,China(06500162)+2 种基金the National Postdoctoral Program for Innovative Talents(BX20200044)German Research Society(DFG)(HI 1867/1-2)supported by the U.S.Department of Energy,Office of Science,Office of Basic Energy Sciences,under Contract No.DE-AC02-06CH11357.
文摘PbTiO_(3)-BiScO_(3) ceramics possess high piezoelectricity and high Curie temperature simultaneously,presenting a very promising candidate for high-temperature actuators and transducers.Figuring out the underlying piezoelectric mechanisms is of great importance for its application.Herein,we reveal the quantified intrinsic and extrinsic contributions to the high electrostrain of the morphotropic composition with phase coexistence by employing the advanced in situ electrical biasing high-energy synchrotron X-ray diffraction combined with the STRAP(strain,texture,and Rietveld analysis for piezoceramics from diffraction)methodology.An electric field-induced phase transformation is observed between the coexisting tetragonal and rhombohedral phases.It is found that the tetragonal phase contributes most of the domain switching strain,while the predominant lattice strain is from the rhombohedral phase.With phase fraction changes,the quantitative results demonstrate that the fieldinduced electrostrain is mainly contributed by the intrinsic lattice strain.In contrast,the high irreversible domain switching strain dominates the large remanent strain.It implies that transforming the large remanent strain into reversible strain would be a strategic direction to improve the piezoelectric response.The present results provide a further understanding of the high piezoelectricity and could help to advance the application of PbTiO_(3)-BiScO_(3).
