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Fig. 2 | Nanoscale Research Letters

Fig. 2

From: Maxwell-Wagner-Sillars Dynamics and Enhanced Radio-Frequency Elastomechanical Susceptibility in PNIPAm Hydrogel-KF-doped Barium Titanate Nanoparticle Composites

Fig. 2

PVA-PNIPAm temperature-dependent spectroscopy. Real and imaginary conductivity (a, top left), dielectric constant (b, bottom left) at 27 °C (black), 33 °C (red), and 37 °C (green) for PVA+ PNIPAm formed using free radical polymerization. c (top right) The temperature (T)–dependent conductivity σ ′ (f, T) is passivated as compared with bulk PNIPAm, but still shows increased MWS with temperature. (d, bottom right) d (log σ ′ )/d log (f) at 27 °C (black), 33 °C (red), and 37 °C (green) showing the extent of MWS polarization in the sample shifted to a higher frequency as compared with bulk PNIPAm due to decreased particle spacing.

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