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Schematic of the experimental setup used in the experiments showing the FSMA crystal, reset spring, position sensor, electromagnet, and target, as well as the data acquisition and control connections.
Position as a function of magnetic field for the single crystal of NiMnGa used in the experiment. The dashed lines in the plot indicate the two positions chosen for the control experiments.
Position as a function of time; dashed line indicates the programmed position and the solid line indicates the measured position. The inset shows an enlarged section of the same graph.
Position and the magnetic field required to maintain the programmed position for three square position steps. Dashed line indicates the programmed position, the solid line indicates the measured position, and the dotted line indicates the applied magnetic field.
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