Comments on the paper “Fabrication and physical characteristics of K/W double doped BiFeO3 complex electro-ceramic; (Bi1/2K1/2)(Fe1/2W1/2)O3”

Alexei A. Belik

doi:10.1016/j.jallcom.2024.173434

論文 Comments on the paper “Fabrication and physical characteristics of K/W double doped BiFeO3 complex electro-ceramic; (Bi1/2K1/2)(Fe1/2W1/2)O3”

Alexei A. Belik (National Institute for Materials Science)

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Alexei A. Belik. Comments on the paper “Fabrication and physical characteristics of K/W double doped BiFeO3 complex electro-ceramic; (Bi1/2K1/2)(Fe1/2W1/2)O3”. Journal of Alloys and Compounds. 2024, 977 (15), 173434. https://doi.org/10.1016/j.jallcom.2024.173434

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(abstract)

By this commentary, we showed that the claimed compound, (Bi1/2K1/2)(Fe1/2W1/2)O3, does not exist. We tried to reproduce the claimed compound through the synthesis in air at 1053 K (similar to the synthesis conditions used in the commented paper), and we obtained a mixture of Bi2WO6, K2WO4, and Fe2O3. The X-ray diffraction pattern of this mixture partly matches with the X-ray diffraction pattern of the claimed compound reported in the commented paper.

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