Physical properties of ternary thallium chalcogenes Tl
2
MQ
3
(
M
= Zr, Hf;
Q
= S, Se, Te) via
ab
-
initio
calculations
Ateser Engin
1, †
, Okvuran Oguzhan
1
, Oztekin Ciftci Yasemin
2
, Ozisik Haci
1
, Deligoz Engin
1
The contour plot of charge density for (a) Tl
2
ZrS
3
, (b) Tl
2
ZrSe
3
, and (c) Tl
2
ZrTe
3
.