Vinylidene fluoride-trifluoroethylene-chlorofluoroethylene terpolymer, P(VDF-TrFE-CFE), with small amount of CFE is utilized for thin-film nonvolatile memory. Polarization switching voltage for a 50 nm-thick film can be as low as 1 V, and is well suited for integrated driving electronics. The writing-erasing procedure is completely reversible. High signal-to-noise and high capability for data storage are observed in this memory system. Polarization state of the terpolymer is rather stable, making it applicable for memory devices. Polarization switching behavior in the terpolymer can be ascribed to reduced polar domain size with respect to the P(VDF-TrFE) copolymer, and energy cost of domain wall motion during electrically polarization switching decreases.
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11 February 2013
Research Article|
February 11 2013
P(VDF-TrFE-CFE) terpolymer thin-film for high performance nonvolatile memory
Xin Chen;
Xin Chen
1
Department of Polymer Science and Engineering and Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering, Nanjing University
, Nanjing 210093, China
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Lu Liu;
Lu Liu
1
Department of Polymer Science and Engineering and Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering, Nanjing University
, Nanjing 210093, China
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Shi-Zheng Liu;
Shi-Zheng Liu
2
Department of Materials Science, Nanjing University
, Nanjing 210093, China
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Yu-Shuang Cui;
Yu-Shuang Cui
2
Department of Materials Science, Nanjing University
, Nanjing 210093, China
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Xiang-Zhong Chen;
Xiang-Zhong Chen
1
Department of Polymer Science and Engineering and Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering, Nanjing University
, Nanjing 210093, China
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Hai-Xiong Ge;
Hai-Xiong Ge
2
Department of Materials Science, Nanjing University
, Nanjing 210093, China
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Qun-Dong Shen
Qun-Dong Shen
a)
1
Department of Polymer Science and Engineering and Key Laboratory of Mesoscopic Chemistry of MOE, School of Chemistry and Chemical Engineering, Nanjing University
, Nanjing 210093, China
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a)
Author to whom correspondence should be addressed. Electronic mail: qdshen@nju.edu.cn.
Appl. Phys. Lett. 102, 063103 (2013)
Article history
Received:
November 01 2012
Accepted:
January 28 2013
Citation
Xin Chen, Lu Liu, Shi-Zheng Liu, Yu-Shuang Cui, Xiang-Zhong Chen, Hai-Xiong Ge, Qun-Dong Shen; P(VDF-TrFE-CFE) terpolymer thin-film for high performance nonvolatile memory. Appl. Phys. Lett. 11 February 2013; 102 (6): 063103. https://doi.org/10.1063/1.4791598
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