Giant piezoelectricity of Sm-doped Pb(Mg 1/3 Nb 2/3 )O 3 -PbTiO 3 single crystals

American Association for the Advancement of Science (AAAS) - Tập 364 Số 6437 - Trang 264-268 - 2019
Fei Li1,2, Matthew J. Cabral3, Bin Xu4,5, Zhenxiang Cheng6, Elizabeth C. Dickey3, James M. LeBeau3, Jianli Wang6, Jun Luo7, Samuel Taylor7, Wesley S. Hackenberger7, L. Bellaïche4, Zhuo Xu1, Long‐Qing Chen2, Thomas R. Shrout2, Shujun Zhang6,2
1Electronic Materials Research Lab, Key Lab of Education Ministry/International Center for Dielectric Research, School of Electronic and Information Engineering, State Key Laboratory for Mechanical Behavior of Materials, Xi'an Jiaotong University, Xi'an 710049, China.
2Materials Research Institute, Department of Materials Science and Engineering, Pennsylvania State University, University Park, PA 16802, USA
3Department of Materials Science and Engineering, North Carolina State University, Raleigh, NC 27695 USA
4Institute for Nanoscience and Engineering and Department of Physics, University of Arkansas, Fayetteville, AR 72701, USA.
5School of Physical Science and Technology, Soochow University, Suzhou, 215006, China
6ISEM, Australian Institute for Innovative Materials, University of Wollongong, Wollongong, NSW 2500, Australia.
7TRS Technologies Inc., 2820 East College Avenue, State College, PA 16801, USA

Tóm tắt

Samarium supersensors Piezoelectric materials produce electric charge in response to changes in stress and are thus good sensor materials. One challenge has been growing single-crystal piezoelectrics with uniform properties. As of now, much of the crystal is discarded because of compositional variations. Li et al. synthesized single crystals of samarium-doped Pb(Mg 1/3 Nb 2/3 )O 3 -PbTiO 3 that have uniform and extremely high piezoelectric properties (see the Perspective by Hlinka). These crystals are ideal for a variety of sensing applications and could reduce cost by eliminating waste. Science , this issue p. 264 ; see also p. 228

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American Association for the Advancement of Science (AAAS)

Tập 364 Số 6437

264-268

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