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Resolution: standard / high Figure 4.
SEM images of Na7(H3O)Nb6O19·14H2O precursor prepared at different NaOH concentrations: a, b 0.5–0.8 M, and c, d 1–1.5
M.
Wu and Xue Nanoscale Res Lett 2011 6:14 doi:10.1007/s11671-010-9757-0 |
