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1. Comments on the paper 'Studies of structural, dielectric and electrical characteristic of Bi(Fe0.85Y0.15)O3 ceramics by L. Thansanga et al., and published in 'Phase Transitions' 94, 47 (2021).

Author

Tomaszewski, Paweł E.

Subjects
*PHASE transitions, *UNIT cell, *DIELECTRICS, *CERAMICS, *BISMUTH iron oxide
Abstract

My comments concern the severe errors in the crystallographic part of the commented paper. The correct formula is proposed to be Bi1–xYxFeO3 ('Bi0.85Y0.15FeO3') instead of BiFe0.85Y0.15O3. It is found that the studied sample is bi-phasic with nearly equal amounts of BiFeO3:Y and Bi25FeO39:Y. The actual composition of the studied crystals is not known. Moreover, the type of unit cell is not correct. [ABSTRACT FROM AUTHOR]

Published
2021
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