Research ArticleAPPLIED PHYSICS

Origin of giant negative piezoelectricity in a layered van der Waals ferroelectric

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Science Advances  19 Apr 2019:
Vol. 5, no. 4, eaav3780
DOI: 10.1126/sciadv.aav3780

Article Information

vol. 5 no. 4

Online ISSN: 
History: 
  • Received for publication September 11, 2018
  • Accepted for publication February 27, 2019
  • .

Author Information

  1. Lu You1,2,
  2. Yang Zhang3,
  3. Shuang Zhou1,4,
  4. Apoorva Chaturvedi1,
  5. Samuel A. Morris1,
  6. Fucai Liu1,5,
  7. Lei Chang1,
  8. Daichi Ichinose6,
  9. Hiroshi Funakubo6,
  10. Weijin Hu7,
  11. Tom Wu8,
  12. Zheng Liu1,
  13. Shuai Dong3,* and
  14. Junling Wang1,*
  1. 1School of Materials Science and Engineering, Nanyang Technological University, Singapore 639798, Singapore.
  2. 2School of Physical Science and Technology, Soochow University, 1 Shizi Street, Suzhou 215006, China.
  3. 3School of Physics, Southeast University, Nanjing 211189, China.
  4. 4School of Science, Nanjing University of Posts and Telecommunications, Nanjing 210023, China.
  5. 5School of Optoelectronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu, China.
  6. 6School of Materials and Chemical Technology, Department of Material Science and Engineering, Tokyo Institute of Technology, Yokohama 226-8502, Japan.
  7. 7Shenyang National Laboratory for Materials Science, Institute of Metal Research (IMR), Chinese Academy of Sciences (CAS), Shenyang 110016, China.
  8. 8School of Materials Science and Engineering, University of New South Wales, Sydney, NSW 2052, Australia.
  1. *Corresponding author. Email: jlwang{at}ntu.edu.sg (J.W.); sdong{at}seu.edu.cn (S.D.)

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