Composition dependence of local piezoelectric nonlinearity in (0.3)Pb(Ni0.33Nb0.67)O3-(0.7)Pb(ZrxTi1−x)O3 films
Composition dependence of local piezoelectric nonlinearity in (0.3)Pb(Ni0.33Nb0.67)O3-(0.7)Pb(ZrxTi1−x)O3 films
复制标题
(0.3)Pb(Ni0.33Nb0.67)O3-(0.7)Pb(ZrxTi1−x)O3 薄膜中局部压电非线性的成分依赖性
DOI：
10.1063/1.3622312
复制
发表时间：
2011
影响因子：
3.2
通讯作者：
S. Trolier
中科院分区：
文献类型：
--
作者：
F. Griggio;S. Jesse;W. Qu;Amit Kumar;O. Ovchinnikov;D. S. Tinberg;Sergei V. Kalinin;S. Trolier
介电和压电非线性的成分依赖性通过沉积在 SrTiO3 上的外延生长 (0.3)Pb(Ni0.33Nb0.67)O3-(0.7)Pb(ZrxTi1−x)O3 薄膜来表征。通过改变 Zr/Ti 比例制备了四方、同形相界 (MPB) 和菱面体薄膜。相对介电常数 ɛr 和逆压电系数 d33,f 被发现遵循瑞利定律。局部压电非线性图显示 MPB 和菱面体组合物形成了具有较高非线性活性的微米级簇。与四方晶系成分相比，菱形和 MPB 成分的不可逆瑞利常数与可逆瑞利常数 αɛ/ɛinit 的比率以及空间平均 αd/d33,init 比率更大。菱面体样品观察到的较大介电和压电非线性可以解释为由于较小的铁电畸变和优异的晶体质量而具有较高的畴壁迁移率。
The composition dependence of dielectric and piezoelectric nonlinearities were characterized in epitaxially grown (0.3)Pb(Ni0.33Nb0.67)O3-(0.7)Pb(ZrxTi1−x)O3 thin films deposited on SrTiO3. Tetragonal, morphotropic phase boundary (MPB) and rhombohedral films were prepared by changing the Zr/Ti ratio. The relative dielectric permittivity ɛr and the converse piezoelectric coefficient d33,f were found to follow the Rayleigh law. The local piezoelectric nonlinearity map showed the formation of micron-sized clusters of higher nonlinear activity for the MPB and rhombohedral compositions. The ratios of the irreversible to the reversible Rayleigh constants αɛ/ɛinit and the spatially averaged αd/d33,init ratio were larger for the rhombohedral and MPB compositions compared to the tetragonal composition. The larger dielectric and piezoelectric nonlinearities observed for the rhombohedral sample are interpreted in terms of a higher domain wall mobility due to a smaller ferroelectric distortion and superior crystal qu...
影响因子：
4.2
作者：
Jiang, WH;Zhang, R;Cao, WW
通讯作者：
Cao, WW
影响因子：
3.7
作者：
Schoenau, Kristin A.;Schmitt, Ljubomira A.;Hoffmann, Michael J.
通讯作者：
Hoffmann, Michael J.