However, the ε " pattern for the nanofiller demonstrated in Figure 7 describes an increasing trend with frequency, which conforms to the open ended coaxial probe's calibration profile for water in the 1–4 GHz range.
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Complex permittivity and power loss characteristics of α-Fe<sub>2</sub>O<sub>3</sub>/polycaprolactone (PCL) nanocomposites: effect of recycled α-Fe<sub>2</sub>O<sub>3</sub> nanofiller.
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The sentences
The ε ′ values for the recycled α-Fe 2 O 3 nanofiller shown in Figure 6 depict a decreasing trend with frequency, a behavior consistent with ferrites and supported by the Maxwell-Wenger polarization configuration [ 15 ].