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. 2016 Sep 10;6(9):170. doi: 10.3390/nano6090170

Figure 2.

Figure 2

Frequency dependence of the intrinsic loss power (ILP), estimated from the area of alternating current (AC) hysteresis loops for viscosities of 2.4, 4.7, 12, and 93 mPa·s. The corresponding measured ILP peaks are 4.6, 1.6, 0.6, and 0.084 kHz, respectively. The dotted curves are the fitting curves calculated using Equation (10) and the normalization of the calculated ILPs with respect to the measured ILPs at the relaxation peak frequencies.