Table 2 Material parameters.

From: Dark trions and biexcitons in WS2 and WSe2 made bright by e-e scattering

 

7

7

7

A7

15

28

29

29

7

[meV]

[Å2]

[nm]

[eV]

[meV]

[meV]

WS2

0.26

−0.35

32

8.65

3.8

2

34

24

1.7 × 10−3

WSe2

0.28

−0.36

37

9.38

4.5

1.7

31

20

1.6 × 10−3

  1. Listed are the effective c- and v-band electron masses mc and mv, c-band spin-orbit splitting ΔSO, unit cell area A, 2D screening length , bright exciton energy , trion binding energy , biexciton binding energy , and the velocity related to the off diagonal momentum matrix element relative to the speed of light v/c.
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