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. 2016 Jun 7;6:27567. doi: 10.1038/srep27567

Figure 4.

Figure 4

Magnetic actuation of a commercial MFM cantilever (MESP, Bruker Probes) in air (a) at 10 Hz (b) at 1 kHz using rectangular voltage drive signals. (c) Force and current response graph with respect to frequency. For (a–c), the actuating electromagnet employed a FeCo core-element.