Figure 1 | Scientific Reports

Figure 1

From: Positive non-linear capacitance: the origin of the steep subthreshold-slope in ferroelectric FETs

Figure 1

Using the Landau parameters: α = −8.119 × 108 C−2Jm, β = 6.343 × 1010 C−4Jm5, (a) P-E curve (or S-curve) given by equation ‘2’ (solid line) and assumed switching path in the NC model (dotted line) (b) the orientation of electric field and polarization on the four different regimes of the S-curve, (c) the dielectric permittivity of the ferroelectric material calculated from the slope of the P-E curve in the various regimes.

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