Abstract

The title paper (Materials Science & Engineering B 296 (2023) 116616) claimed the preparation and detailed characterization by different methods of a novel triple perovskite compound, Ba3Bi2MoO9. In this comment, it is shown that the phase Ba3Bi2MoO9 does not exist. We show that the absence of the phase analysis resulted in erroneous claims. We demonstrate that the sample in the title paper is mainly a mixture of BaBiO3 and BaMoO4.

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