This paper is marked retracted in the scholarly record (OpenAlex). Interpret its findings with caution.
Retraction: Structural, morphological, electrical, and dielectric properties of Na2Cu5(Si2O7)2 for ASSIBs
Mohamed Ben Bechir, Mehdi Akermi
TL;DR
This paper is a retraction of a 2024 study on the properties of a sodium-based compound for use in all-solid-state sodium-ion batteries.
Contribution
The paper does not contribute new findings, as it retracts a previously published study.
Findings
The original study on Na2Cu5(Si2O7)2 for ASSIBs is being retracted.
No new data or conclusions are presented in this retraction notice.
Abstract
Retraction of ‘Structural, morphological, electrical, and dielectric properties of Na2Cu5(Si2O7)2 for ASSIBs’ by Mohamed Ben Bechir et al., RSC Adv., 2024, 14, 9228–9242, https://doi.org/10.1039/D4RA01454E.
Genes, proteins, chemicals, diseases, species, mutations and cell lines named across the full text — each resolved to its canonical identifier and authoritative record.
- —Ministry of Education – Kingdom of Saudi Arabi10.13039/501100011821
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Taxonomy
TopicsDielectric properties of ceramics · Microwave Dielectric Ceramics Synthesis · Advancements in Battery Materials
The Royal Society of Chemistry, with the agreement of the named author, hereby wholly retracts this RSC Advances article due to concerns with the reliability of the data.
There are concerns with the reliability of the application of the bond valence sum (BVS) method in this study. The authors acknowledge that their use of the method was based on crystallographic data obtained from VESTA, based on the published CIF file for Na_2_Cu_5_(Si_2_O_7_)2 using the similar compound ‘Li_2_Cu_5_(Si_2_O_7_)2’ as a reference,^1^ rather than independent experimental measurements, which may have led to inaccuracies in the analysis. The authors admit to a misapplication that stemmed from a misunderstanding of the requirements for precise and independent measurements necessary for BVS analysis and requested a correction.
Concerns have been raised about the reliability of the neutron powder diffraction (NPD) measurements. The authors acknowledge that the NPD measurements were conducted externally, and the facility where the measurements were performed was not explicitly acknowledged in the original article. The authors have not been able to provide the raw data for these measurements, and therefore we are not able to confirm their reliability.
In addition, the authors should have cited the work of Chikara et al., as their research was inspired by previous studies on the similar compound Li_2_Cu_5_(Si_2_O_7_)2.^1^
Given the significance of these concerns, the Editor has lost confidence that the findings presented in this paper are reliable.
This Retraction supersedes the information provided in the Expression of concern related to this article.
The authors were informed about the retraction of the article. Mohamed Ben Bechir has agreed with the decision, the other author has not responded.
Signed: Mohamed Ben Bechir
Date: 6th May 2025
Retraction endorsed by Laura Fisher, Executive Editor, RSC Advances
The reference list from the paper itself. Each links out to its DOI / PubMed record.
- 1Chikara K. S. Bera A. K. Kumar A. Yusuf S. M. ACS Appl. Electron. Mater.20235513710.1021/acsaelm.3c 00868 · doi ↗