7 June 2000 Synthesis of piezoelectric thin films by molecular self-assembly
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Peizoelectric ultrathin composite film comprised of PSS and PDDA was synthesized using the electrostatic self-assembly (ESA) process. The ESA processed PSS/PDDA film is a layer- by-layer laminated structure, which exhibits piezoelectric response directly, with a piezoelectric coefficient d33 = 6.0 pC/N and without poling treatment. It is assumed that the self-assembly process may play a role in molecular alignment resulting in net polarization in the layer-by- layer structured ultrathin film, a process quite different form that used for form conventional piezoelectric films.
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Tingying Zeng, Tingying Zeng, Richard O. Claus, Richard O. Claus, Yanjing Liu, Yanjing Liu, Fajian Zhang, Fajian Zhang, W. Wei, W. Wei, Kristi L. Cooper, Kristi L. Cooper, } "Synthesis of piezoelectric thin films by molecular self-assembly", Proc. SPIE 3987, Smart Structures and Materials 2000: Electroactive Polymer Actuators and Devices (EAPAD), (7 June 2000); doi: 10.1117/12.387775; https://doi.org/10.1117/12.387775

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