Table 1 Optical properties of ultraviolet emitters in hBN

From: Exceptionally strong coupling of defect emission in hexagonal boron nitride to stacking sequences

Defect

ZPL

HR factor

TDM

Lifetime

AA\({}^{{\prime} }\)-2C

4.09

1.94

3.62

2.59

AB1-2C

4.24

1.80

4.03

1.88

AB2-2C

4.21

2.02

3.71

2.28

AB\({}^{{\prime} }\)-2C

4.00

1.68

3.32

3.32

AA\({}^{{\prime} }\)-4C

4.32

1.47

3.07

3.07

AB1-4C

4.56

1.20

3.80

1.47

AB2-4C

4.45

1.58

3.14

2.39

AB\({}^{{\prime} }\)-4C

4.28

1.10

3.35

2.66

AA\({}^{{\prime} }\)-6C

4.17

2.09

3.16

3.22

AB1-6C

4.49

1.74

3.81

1.85

AB2-6C

4.31

1.96

3.31

2.67

AB\({}^{{\prime} }\)-6C

4.22

1.56

3.52

2.34

AA\({}^{{\prime} }\)-SW

3.99

3.12

1.59

14.44

AB1-SW

4.01

3.21

1.56

14.93

AB2-SW

3.97

3.62

1.66

13.29

AB\({}^{{\prime} }\)-SW

3.97

2.94

1.85

10.92

  1. Calculated ZPL energies after including the correction term (eV), HR factors, transition dipole moments (Debye) and radiative lifetimes (ns) for the carbon impurities and SW defect in the different stackings of hBN.