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Magnetic curves of the PowderMEMS micromagnets, fabricated using NdFeB powder of particle sizes d50 = 5 µm (NdFeB5) and d50 = 25 µm (NdFeB25). Hysteresis loops of the micromagnets measured in direction of (a) x-axis and (b) z-axis at room temperature. (c) Cross-sectional schematic of the measured micromagnet structure.
