High Pressure Study of Structural and Electronic Properties of PbSe

Table 3

Band gap of PbSe in B1 phase at different pressures.

Pressure; (GPa)	Present calculation	Other calculations
−4	0.338	—
−2	0.252	—
0	0.185	0.21 [13], 0.15 [12], 0.16 [52]
2	0.118	—
4	0.05	—