In Figure 1A and 1B of this article, the authors claim the size for the BITT and TB are about 130.0±1.7 nm and 199.3±4.1 nm, respectively. However, these are inconsistent to the bars shown in the figure, and the standard deviations seem to be too small.
A current investigation reveals that two Taylor & Francis journals, namely "Frroelectrics" and "Integrated Ferroelectrics", published massive articles which fall outside their scope.
Concerns are raised regarding the ethical approval in an article published on "Materials", a MDPI title.
Backtracing is observed on several spectra in Figure 2 and Figure 9 of this article.
Backtracing is observed on several spectra in Figure 4 of this article.
