Physical properties of ternary thallium chalcogenes Tl2MQ3 (M = Zr, Hf; Q = S, Se, Te) via ab-initio calculations
Ateser Engin1, †, Okvuran Oguzhan1, Oztekin Ciftci Yasemin2, Ozisik Haci1, Deligoz Engin1
       

The contour plot of charge density for (a) Tl2HfS3, (b) Tl2HfSe3, and (c) Tl2HfTe3.