The concentration profiles were determined by means of atomic absorption analysis (tables 3 and 4). The data for Co at 1381 to 1556K could be described by:

D (cm2/s) = 1.10 x 100exp[-3.98(eV)/kT]

The data for Mn at 1377 to 1563K could be described by:

D (cm2/s) = 3.2 x 10-3exp[-2.87(eV)/kT]

Diffusion Constant and Typical Near Band-Edge Absorption of Mn in ZnO Crystals. Kleinlein, F.W., Helbig, R.: Zeitschrift fur Physik, 1974, 266[3], 201-7

 

Table 4

Chemical diffusion of Mn in ZnO single crystals

Temperature (K)

D (cm2/s)

1563

1.78 x 10-12

1536

1.26 x 10-12

1521

9.07 x 10-13

1460

4.98 x 10-13

1422

2.21 x 10-13

1377

1.04 x 10-13