Microstructural Study of Neodmium Nickelate Doped with Strontium Synthesized by Gelatin Method

Figure 3

(a) SEM image of system Nd_2-xSr_xNiO₄ to 𝑥=0 calcined at 700°C; (b) Nd_1,6Sr_0,4NiO₄ calcined at 700°C; (c) Nd_2-xSr_xNiO₄ to 𝑥=0 calcined at 900°C; (d) Nd_1,6Sr_0,4NiO₄ calcined at 900°C.

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(b)

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