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\bibitem{Ceyhan_etal2021} {\textquotedblleft}\textit{Electronic and magnetic properties of single-layer FeCl$_{2}$ with defects}{\textquotedblright}. Ceyhan E, Yagmurcukardes M, Peeters FM, Sahin H, Physical Review B \textbf{103}, 014106 (2021).   http://doi.org/10.1103/PHYSREVB.103.014106

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