Super-elastic ferroelectric single-crystal membrane with continuous electric dipole rotation
2019; American Association for the Advancement of Science; Volume: 366; Issue: 6464 Linguagem: Inglês
10.1126/science.aay7221
ISSN1095-9203
AutoresGuohua Dong, Suzhi Li, Mouteng Yao, Ziyao Zhou, Yongqiang Zhang, Han Xu, Zhenlin Luo, Junxiang Yao, Bin Peng, Zhongqiang Hu, Houbing Huang, Tingting Jia, Jiangyu Li, Wei Ren, Zuo‐Guang Ye, Xiangdong Ding, Jun Sun, Ce‐Wen Nan, Long‐Qing Chen, Ju Li, Ming Liu,
Tópico(s)Advanced Sensor and Energy Harvesting Materials
ResumoFlexible ferroelectrics High-quality ferroelectric materials, which polarize in response to an electric field, are usually oxides that crack when bent. Dong et al. found that high-quality membranes of barium titanate are surprisingly flexible and super-elastic. These films accommodate large strains through dynamic evolution of nanodomains during deformation. This discovery is important for developing more robust flexible devices. Science , this issue p. 475
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