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. 2021 Apr 28;11(5):1154. doi: 10.3390/nano11051154

Figure 9.

Figure 9

(a) Dependencies of the ME voltage coefficient (αME) on DC bias magnetic field composites at AC field frequency of 10 kHz for PVDF-TrFE -based samples with ZCFO, BTO5/CFO and BTO10/CFO fillers (PVDF-TrFE/CFO is shown again for comparison); (b) piezoresponse force microscopy (PFM) images and remnant local piezoelectric hysteresis loops at applied and switched off the magnetic field (Bext. = 1.4 kOe) for PVDF-TrFE/BTO5/CFO sample; (c) M-H loops at 300 K for PVDF-TrFE/ZCFO, PVDF-TrFE/BTO5/CFO and PVDF-TrFE/BTO10/CFO NCs.