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Comments on structural and electrical analysis of polycrystalline ceramic PbCaBiNbO6 by A.K. Panda et al. [J. Mater. Sci.: Mater. Elektron. 34, 1640 (2023)]

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The Original Article was published on 09 August 2023

Abstract

My comments concern the errors in the crystallographic part of a recent paper published in this journal entitled “Structural and electrical analysis of polycrystalline ceramic PbCaBiNbO6” by A.K. Panda et al., J. Mater. Sci.: Mater. Elektron. 34, 1640 (2023). The true chemical composition of the studied sample is very different from PbCaBiNbO6 as proposed by authors in their paper. A comparison with three similar compounds was presented indicating that the samples are mixtures of (at least) two crystals Therefore, the subsequent data on other measurements are not on the sample composition the authors have identified and have limited value.

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  1. Institute of Low Temperature and Structure Research, Polish Academy of Science, ul. Okólna 2, 50-422, Wrocław, Poland

    Paweł E. Tomaszewski

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Tomaszewski, P. Comments on structural and electrical analysis of polycrystalline ceramic PbCaBiNbO6 by A.K. Panda et al. [J. Mater. Sci.: Mater. Elektron. 34, 1640 (2023)]. J Mater Sci: Mater Electron 35, 47 (2024). https://doi.org/10.1007/s10854-023-11879-5

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