Figure 6From: Ammonium fluoride-activated synthesis of cubic δ-TaN nanoparticles at low temperaturesXRD patterns of water-purified powders synthesized from K 2 TaF 7 + (5 + k )NaN 3 + k NH 4 F mixture. (a) k = 0, (b) k = 2.0, and (c) k = 4.0.Back to article page