Figure 1 | Scientific Reports

Figure 1

From: Magnetic nanoparticles in square-wave fields for breakthrough performance in hyperthermia and magnetic particle imaging

Figure 1

(a) Non-conventional magnetic field waveforms characterized by different values of the inversion time \(t_{inv}\) with respect to the field’s period T; (b) minor hysteresis loops corresponding to the four waveforms shown in (a) at \(f=100\) kHz for 12-nm magnetite nanoparticles whose easy axis makes an angle \(\phi =\pi /3\) with the field.

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