The impurity diffusion of 59Fe in NiO was measured in air by using the tracer-sectioning technique. The results, at 999 to 1600C, could be described by:

D (cm2/s) = 1.00 x 10-3 exp[-44.64(kcal/mol)]

Cation Impurity Diffusion in CoO and NiO. K.Hoshino, N.L.Peterson: Journal of Physics and Chemistry of Solids, 1984, 45[8-9], 963-72

Table 154

Diffusion of Mg in NiO

 

 

Temperature (C)

PO2 (atm)

D (cm2/s)

1016

0.00003

8.6 x 10-13

1100

0.21

3.8 x 10-12

1103

0.00001

1.35 x 10-12

1165

0.00006

3.05 x 10-12

1200

0.21

1.75 x 10-11

1210

0.00005

5.36 x 10-12

1210

0.011

1.82 x 10-11

1210

0.0025

1.5 x 10-11

1210

0.00058

1.1 x 10-11

1245

0.00018

1.0 x 10-11

1245

0.00005

7.54 x 10-12

1245

0.00003

6.86 x 10-12

1245

0.000002

6.76 x 10-12

1296

0.00007

1.85 x 10-11

1300

0.21

6.1 x 10-11

1305

0.00005

2.07 x 10-11

1400

0.21

1.6 x 10-10

1400

0.00016

5.53 x 10-11

1485

0.00015

1.29 x 10-10

1500

0.21

3.8 x 10-10

1600

0.21

1.1 x 10-9

1700

0.21

2.5 x 10-9