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Table 1 Comparison of effective permittivity of the CFO/polymer films at 100 kHz from experimental and modified Kerner model

From: Magnetoelectricity in CoFe2O4 nanocrystal-P(VDF-HFP) thin films

Sample ϵeff(measured) ϵeff(calculated from Kerner equation) Δϵeff
P(VDF-HFP) films    
 10 wt.% CFO 9.1 7.3 +1.8
 20 wt.% CFO 19.08 13.44 +5.64
 30 wt.% CFO 28.56 19.71 +8.85
PVP films    
 10 wt.% CFO 9.17 8.82 +0.35
 20 wt.% CFO 14.59 13.62 +0.97
 30 wt.% CFO 18.05 19.90 −1.85