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. 2017 Jul 14;10(7):800. doi: 10.3390/ma10070800

Figure 1.

Figure 1

Optical micrographs of the nanobaninitc coatings after different isothermal processing at 200 °C for 4 h (a); 250 °C for 2 h (b); 300 °C for 2 h (c); and 350 °C for 3 h (d).