Resolution: standard / high

Figure 1.

a XRD patterns of Na₇(H₃O)Nb₆O₁₉·14H₂O nanobelts. The peak corresponding to remnant Nb is marked. b IR spectrum of Na₇(H₃O)Nb₆O₁₉·14H₂O precursor.

Wu and Xue Nanoscale Res Lett 2011 6:14 doi:10.1007/s11671-010-9757-0