Figure 1. SEM images of the micro-fibers under different experimental conditions.
(a) 1 T, 100 mJ and 5 Hz; (b) 5 T, 100 mJ and 5 Hz; (c) 2 Hz, 9 T and 100 mJ; (d) 10 Hz, 9 T and 100 mJ; (e) 50 mJ, 9 T and 5 Hz; (f) 150 mJ, 9 T and 5 Hz.
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