Table 1 Parameter values found by fitting

From: Optical excitation and external photoluminescence quantum efficiency of Eu3+ in GaN

Parameter

20 K

150 K

290 K

260

245

220

0.891

1.258

1.570

β

0.583

0.530

0.506

1.128

1.292

1

  

8.254

  

1200