This article has been retracted: please see Elsevier policy on article withdrawal (https://www.elsevier.com/about/policies-and-standards/article-withdrawal).
This article has been retracted at the request of the Editor.
An investigation conducted on behalf of the journal by Elsevier's Research Integrity & Publishing Ethics team found that 28 citations were added to this paper which are not relevant to the topic of the paper and benefit authors, Hitler Louis , Terkumbur E. Gber and Festus O. Ogungbemiro.
Furthermore, the DOS spectra are missing from supplemental data, contrary to what is stated in section "3.2. Electronic properties".
The authors were not able to provide a satisfactory explanation for above concerns.
The Editor has lost confidence in the findings of the article and has determined that it should be retracted.
The authors have not responded to the retraction notice.