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Figure 6 | BMC Medical Imaging

Figure 6

From: Theory, simulation and experimental results of the acoustic detection of magnetization changes in superparamagnetic iron oxide

Figure 6

Comparison of experimental and simulated data. Using a simulation scheme as in figure 3, a superposition of the response calculated from simulated system functions and the experimental data is plotted for the first three harmonics (this figure: 2nd harmonic) for nano-particles of different sizes. The best fit is observed for particles between 15 and 17 nm. For the fundamental frequency, the 15 nm particles yield optimal signal match, whereas for the third harmonic, the 17 nm particle data is in good agreement with the simulation.

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