Samples Pre-exponential factors A Lifetime, <τ> (ns) Average lifetime, <τ> (ns) ket χ2
A1=15.43 τ1=3.303
Cu-Co-1P-2 A2=4.64 τ2=39.16 0.2014 3.782×109 1.29
A3=79.92 τ3=0.2626
A1=13.62 τ1=4.154
Cu-Co-3P-2 A2=10.48 τ2=107.3 0.2183 5.982×109 1.36
A3=75.90 τ3=0.1669
A1=11.57 τ1=4.267
Cu-Co-4P-2 A2=7.29 τ2=98.07 0.2884 5.872×109 1.26
A3=81.14 τ3=0.1700
A1=13.93 τ1=4.154
Cu-Co-2P-1 A2=10.02 τ2=106.3 0.2111 6.174×109 1.29
Cu-Co-2P-3 Cu-Co-2P-4 A3=76.05 A1=15.29 A2=7.12 A3=77.59 A1=15.63 A2=6.01 A3=78.35 τ3=0.1617 τ1=4.016 τ2=81.56 τ3=0.1791 τ1=2.447 τ2=11.914 τ3=0.1068 0.2287 0.1350 5.571×109 9.279×109 1.30 1.29