Table 1 Comparison of the calculated and experimental optical properties for the defect emission

From: Room-temperature single-photon emission from β-Ga2O3

type

charge

μ

ZPL@HSE (eV)

ELO (meV)

ΔQ (Å amu1/2)

S

DW factor

τr (ns)

VGaI-VOIII

0

1

2.34

25.4

0.353

0.28

0.76

6.42

Exp.

-

-

2.20

27.0

-

0.30

0.77

2.52

  1. These properties include the charge state, magnetic moment (μ), zero-phonon line (ZPL), the LO phonon energy (ELO), the mass-weighted displacement (ΔQ), electron-phonon coupling effects including the Huang-Rhys (S) factor and Debye-Waller (DW) factor, and radiative lifetime \(({\tau }_{r})\).
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