Issue 46, 2022
From the journal:

RSC Advances

Comment on “Structural, electrical, and multiferroic characteristics of lead-free multiferroic: Bi(Co0.5Ti0.5)O3–BiFeO3 solid solution” by N. Kumar, A. Shukla, N. Kumar, R. Choudhary and A. Kumar, RSC Adv., 2018, 8, 36939”

Paweł E. Tomaszewski ORCID logo a  

a Institute of Low Temperature and Structure Research, Polish Academy of Science, ul. Okólna 2, 50-422 Wrocław, Poland
E-mail: petomasz1@wp.pl

Abstract

My comments concern the significant errors in the crystallographic part of the commented paper. It was found that the studied crystal is of the sillenite type and the correct formula should be Bi25FeO39 : Co,Ti instead of BiFeO3. Moreover, the type of unit cell is not correct. Due to the double doping the new type of unit cell, previously unknown, was proposed for such crystals. Furthermore, the authors did not find that the studied sample contains two slightly different phases, both of the sillenite type. The actual chemical composition of the studied crystals is not known.

Graphical abstract: Comment on “Structural, electrical, and multiferroic characteristics of lead-free multiferroic: Bi(Co0.5Ti0.5)O3–BiFeO3 solid solution” by N. Kumar, A. Shukla, N. Kumar, R. Choudhary and A. Kumar, RSC Adv., 2018, 8, 36939”

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Article information

DOI
https://doi.org/10.1039/D1RA08415A
Article type
Comment
Submitted
16 Nov 2021
Accepted
07 Oct 2022
First published
20 Oct 2022
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2022,12, 30008-30010

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Comment on “Structural, electrical, and multiferroic characteristics of lead-free multiferroic: Bi(Co0.5Ti0.5)O3–BiFeO3 solid solution” by N. Kumar, A. Shukla, N. Kumar, R. Choudhary and A. Kumar, RSC Adv., 2018, 8, 36939”

P. E. Tomaszewski, RSC Adv., 2022, 12, 30008 DOI: 10.1039/D1RA08415A

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