Research Article

Low-Temperature Synthesis of Superconducting Nanocrystalline

Figure 2

SEM images of (a) mixture of commercial MgH2 and LiBH4 powders, (b) mixture of MgH2 and LiBH4 after SPEX mill for 1 h, (c) mixture of MgH2 and LiBH4 after dehydrogenation at 450°C for 12 h, and (d) as-synthesized MgB2 after purification.
191058.fig.002a
(a)
191058.fig.002b
(b)
191058.fig.002c
(c)
191058.fig.002d
(d)