摘要
We report investigation of the piezoelectric response on a nanoscale in poled ferroelectric crystals with engineered domain configuration. Piezoresponse force microscopy of the (111) surface of a (111- poled) tetragonal 0.63Pb (Mg1/3 Nb2/3) O3 -0.37 PbTiO3 piezoelectric/ferroelectric crystal revealed that the piezoelectric coefficient d33 is significantly reduced within the distance of ∼ μm from the uncharged engineered domain walls. This finding is essential for understanding the mechanisms of the giant piezoresponse in relaxor-based crystals and for designing high-performance piezoelectric materials.
| 源语言 | 英语 |
|---|---|
| 文章编号 | 024114 |
| 期刊 | Physical Review B - Condensed Matter and Materials Physics |
| 卷 | 81 |
| 期 | 2 |
| DOI | |
| 出版状态 | 已出版 - 28 1月 2010 |
| 已对外发布 | 是 |
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