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您的检索式：作者名="Ruohao Mao"
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| 1 | Unconventional piezoelectric coefficients in perovskite piezoelectric ceramics显示文摘Piezoelectric ceramics exhibit three conventional piezoelectric coefficients,i.e.,d33,d31,d15,due to their∞mm crystal symmetry.Unconventional piezoelectric coefficients,such as d11,d12,d13,d14,d16,etc.,can only be extracted from piezoelectric single crystals of special symmetry with specific cut direction.Here we demonstrate a rotated poling method to realize unconventional piezoelectric coefficients in perovskite piezoelectric ceramics.This method is elaborated in theory and experimentally proven to be effective.Full nonzero piezoelectric coefficients in the 36 piezoelectric coefficients matrix can be obtained by combining these“quasi(effective)piezoelectric coefficients”with the conventional piezoelectric coefficients,which would expand applications in a wide variety of piezoelectric devices. | Jingen Wu Zhongqiang Hu Xiangyu Gao Miaomiao Cheng Xinger Zhao Wei Su Liqian Wang Mengmeng Guan Yongjun Du Ruohao Mao Zhiguang Wang Ziyao Zhou Shuxiang Dong Ming Liu | 2021 | Journal of Materiomics2021，7，2： | 0 |
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