Research Article

Tracer Diffusion Mechanism in Amorphous Solids

Table 7

The diffusion coefficients in amorphous alloys at 570–640 K obtained by the simulation and experiment; M-Co or Fe and Me-B or P

SystemMDM, m2s−1MeDMe, m2s−1Reference

Model A1Co1.4 × 10−20–1.0 × 10−19B1.8 × 10−19 – 1.2 × 10−18This work
Model A2Co1.4 × 10−21–1.3 × 10−20B1.4 × 10−20 – 1.3 × 10−19This work
Model A3Co2.1 × 10−22–1.9 × 10−21B1.9 × 10−20 – 1.6 × 10−19This work
Model B1Co1.4 × 10−22–1.4 × 10−21B8.5 × 10−21 – 8.1 × 10−20This work
Model B2Co1.9 × 10−22–1.6 × 10−21B1.4 × 10−20 – 1.1 × 10−19This work
Model CCo4.5 × 10−21–3.1 × 10−20B5.7 × 10−20 – 4.0 × 10−19This work
Model DCo6.3 × 10−23–6.9 × 10−22B8.2 × 10−22 – 8.8 × 10−21This work
Model EFe2.6 × 10−22–1.2 × 10−21P2.7 × 10−23– 4.7 × 10−21This work
Gb16Co84Co2.5 × 10−22–3.6 × 10−21[3]
Co79Nb14B7Co1.8 × 10−22–1.1 × 10−20[29]
Co89Zr11Co2.4 × 10−21–7.3 × 10−20[30]
Fe80B20Fe2.2 × 10−23–5.2 × 10−21[2]
Fe40Ni40B20Fe4.7 × 10−23–8.8 × 10−21B1.7 × 10−21 – 1.4 × 10−19[31, 32]
Fe40Ni40B20P1.3 × 10−23 – 8.4 × 10−21[33]
Fe40Ni40P14N6P4.2 × 10−23 – 3.2 × 10−21[34]