Bath composition and conditions

Concentration

FeSO4·7H2O

30 g/L

MnSO4·H2O

60 g/L

NaH2PO2

5 - 30 g/L

(NH4)2SO4

200 g/L

pH value

6

Deposition potential

−1.5 V vs SCE

Bath temperature

20˚C

Current density

0.03 A/cm2

Deposition time

180 s