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Ferroelectric poly(vinylidene fluoride) thin films on Si substrate with the phase promoted by hydrated magnesium nitrate
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10.1063/1.2812702
/content/aip/journal/jap/102/10/10.1063/1.2812702
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/10/10.1063/1.2812702
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

The FTIR spectra of the PVDF thin films with various concentrations of : (a) , (b) , (c) , (d) , and (e) . The films were dried at . All the unmarked peaks are common to both the and phases.

Image of FIG. 2.
FIG. 2.

The FTIR spectra of the PVDF films with of dried at , followed by annealing at for different durations. All the unmarked peaks are common to both the and phases.

Image of FIG. 3.
FIG. 3.

The XRD patterns of the PVDF films with of annealed at for different durations.

Image of FIG. 4.
FIG. 4.

The surface morphology of the PVDF films with various concentrations of : (a) , (b) , (c) , (d) , and (e) . All the films were dried at .

Image of FIG. 5.
FIG. 5.

The SEM images of the PVDF films with and annealed for different durations: (a) 0 h, (b) 1 h, (c) 2 h, and (d) 20 h.

Image of FIG. 6.
FIG. 6.

Thermal analysis: (a) Comparison of the PVDF films with (solid line) and without the salt (dashed line). All the films were dried at ; (b) .

Image of FIG. 7.
FIG. 7.

The hysteresis loops for the PVDF films with and annealed for different durations: (a) 0 h and (b) 2 h.

Image of FIG. 8.
FIG. 8.

Remnant polarization and of the PVDF films with and annealed at for different durations.

Image of FIG. 9.
FIG. 9.

The three-dimensional drawing of the instantaneous vibration data when the dilatation of the PVDF film reaches the maximum during the electric sine wave driving. The film is the PVDF with and annealed at for 2 h.

Image of FIG. 10.
FIG. 10.

Schematic illustration of the intermolecular interaction between the hydrated magnesium nitrate and the PVDF system. Additional water molecules around are not shown.

Image of FIG. 11.
FIG. 11.

The FTIR spectra of the PVDF films with different concentrations and dried at .

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/content/aip/journal/jap/102/10/10.1063/1.2812702
2007-11-20
2014-04-25
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Ferroelectric poly(vinylidene fluoride) thin films on Si substrate with the β phase promoted by hydrated magnesium nitrate
http://aip.metastore.ingenta.com/content/aip/journal/jap/102/10/10.1063/1.2812702
10.1063/1.2812702
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