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
Figure of merit
(
ZT
)
el
for Tl
2
HfSe
3
.