Giant polarization in super-tetragonal thin films through interphase strain
文献类型：期刊论文
| 作者 | Deng, JX; Yu, RB; Scott, JF; Xing, XR; Wang JO(王嘉鸥) ; Wang HH(王焕华); Zhang, LX; Chen, J; Fan, LL; Dieguez, O
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| 刊名 | SCIENCE
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| 出版日期 | 2018 |
| 卷号 | 361期号:6401页码:494-497 |
| ISSN号 | 0036-8075 |
| DOI | 10.1126/science.aan2433 |
| 文献子类 | Article |
| 英文摘要 | Strain engineering has emerged as a powerful tool to enhance the performance of known functional materials. Here we demonstrate a general and practical method to obtain supertetragonality and giant polarization using interphase strain. We use this method to create an out-of-plane-to-in-plane lattice parameter ratio of 1.238 in epitaxial composite thin films of tetragonal lead titanate (PbTiO3), compared to 1.065 in bulk. These thin films with super-tetragonal structure possess a giant remanent polarization, 236.3 microcoulombs per square centimeter, which is almost twice the value of known ferroelectrics. The supertetragonal phase is stable up to 725 degrees C, compared to the bulk transition temperature of 490 degrees C. The interphase-strain approach could enhance the physical properties of other functional materials. |
| 电子版国际标准刊号 | 1095-9203 |
| WOS关键词 | LEAD-ZIRCONATE-TITANATE ; FERROELECTRIC SUPERLATTICES ; NEGATIVE-PRESSURE ; CURIE-TEMPERATURE ; ENHANCEMENT ; PBTIO3 ; BIFEO3 |
| WOS研究方向 | Science & Technology - Other Topics |
| 语种 | 英语 |
| WOS记录号 | WOS:000440627300040 |
| 源URL | [http://ir.ihep.ac.cn/handle/311005/286180]  |
| 专题 | 高能物理研究所_多学科研究中心 |
| 作者单位 | 中国科学院高能物理研究所 |
| 推荐引用方式 GB/T 7714 | Deng, JX,Yu, RB,Scott, JF,et al. Giant polarization in super-tetragonal thin films through interphase strain[J]. SCIENCE,2018,361(6401):494-497. |
| APA | Deng, JX.,Yu, RB.,Scott, JF.,Xing, XR.,王嘉鸥.,...&Wang, HH.(2018).Giant polarization in super-tetragonal thin films through interphase strain.SCIENCE,361(6401),494-497. |
| MLA | Deng, JX,et al."Giant polarization in super-tetragonal thin films through interphase strain".SCIENCE 361.6401(2018):494-497. |
入库方式： OAI收割
来源：高能物理研究所
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