Figure 2

FE-SEM micrographs of the as-reduced Sm₂Co₁₇ nanofibres obtained prior to and after washing with various solutions: (a) pure distilled water, (b) 0.1 M dilute acetic acid in water, (c) 85 w/v% of sucrose in water, and (d) 0.1 M NH₄Cl in methanol.