Figure 6.

XRD patterns of water-purified powders synthesized from K2TaF7 + (5 + k)NaN3 + kNH4F mixture. (a) k = 0, (b) k = 2.0, and (c) k = 4.0.

Lee et al. Nanoscale Research Letters 2013 8:126   doi:10.1186/1556-276X-8-126
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