Table 1:
Resistivity of the Cu thin films obtained from the oxidation stages.
Resistivity, (Ω·cm)
Stage
Remark
ρ
0
= 1.720 x 10
-8
pure Cu
ρ
I
= 2.074 x 10
-8
(I)
until 7 days
ρ
II
= 2.985 x 10
-8
(II)
since 7 until 20 days
ρ
III
> ρ
II
(III)
after 33 days