Table 1 h-BN: Macroscopic dielectric constant variation with the number of layers

From: Dielectric properties of hexagonal boron nitride and transition metal dichalcogenides: from monolayer to bulk

Number of layers

\(\epsilon _{||,\infty }\)

\(\epsilon _{||,0}\)

\(\epsilon _{ \bot ,\infty }\)

\(\epsilon _{ \bot ,0}\)

1

4.97

6.82

2.89

3.29

2

4.97

6.86

2.91

3.44

3

4.97

6.86

2.96

3.52

4

4.96

6.86

2.97

3.58

5

4.96

6.86

2.98

3.62

Bulk

4.98

6.93

3.03

3.76

  1. h-BN: In-plane and out-of-plane dielectric constant for different number of layers. ϵ|| is the in-plane and ϵ⊥ is the out-of-plane dielectric constant. ϵ0 denotes the static dielectric constant; whereas, ϵ∞ denotes the dielectric constant at optical frequency
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