Table 1 Hydro-thermoelastic model properties for MoSe2

From: Controllable hydro-thermoelastic heat transport in ultrathin semiconductors at room temperature

 

Monolayer

Bilayer

Trilayer

Bulk

Reference

ρ (kg m−3)

6,900

6,900

6,900

6,900

32

α (K−1)

9.3 × 10−5

7.7 × 10−5

6.5 × 10−5

0.7 × 10−5

30

E (GPa)

100

130

135

165

33

ν

0.23

0.23

0.23

0.23

34

Cv (MJ m−3 K−1)

1.75

1.75

1.75

1.87

Ab initio

κ (W m−1 K−1)

39

30

26

27.5

Ab initio

τ (ps)

754

712

282

186

Ab initio

ℓ (nm)

700

700

700

100

Supplementary Note 1

b

0.537

0.487

0.475

0.433

Ab initio

  1. For bilayer and trilayer systems, we use a coefficient of thermal expansion α slightly increased with respect to the literature value. The Young modulus for the monolayer is extrapolated based on the findings in ref. 33.
Back to article page