Figure 1.

FESEM images of nanoscale KNO3 powders obtained by heat-treating gels. At (a) 600°C, (b) 700°C, and (c) 800°C. (d, e, f) TEM images of a nanocrystallite from (a), (b), and (c), respectively.

Chen et al. Nanoscale Research Letters 2011 6:530   doi:10.1186/1556-276X-6-530
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