Fig. 6. (Color online) X-ray diffraction patterns of BiFeO₃ ceramics sintered at 810 °C: (a) before poling, (b) after poling, and (c) the ratio of (111)_R/(111¯)_R according to the cooling condition.

New Phys.: Sae Mulli 2024;74:1231~1238 https://doi.org/10.3938/NPSM.74.1231

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