Retraction Note to: Journal of Materials Science: Materials in Electronics (2020) 31:16769–16779 https://doi.org/10.1007/s10854-020-04232-7

The Editor-in-Chief has retracted this article because of significant concerns regarding the XRD and IR data which put into question the chemical composition and crystal structure of the sample studied. Post publication peer review has found issues which affect the title, abstract and interpretation of the data. The authors have been offered the opportunity to resubmit a revised article for peer review. The authors have not responded to any correspondence from the editor or publisher about this retraction.