
80 Eecve Medium Approach
capacitance through its own resistance τ
T
≈
p
ε/
p
γ, and does not
it can be shown that τ
T
>> τ
also shows that increasing piezoelectric phase volume fraction
decreases τ
T
. This diminution is due to the appearance of additional
p
T
1
and
p
T
2
the composite.
0.1 1 10 100
0
50
100
150
200
1
3
α'
E,T
, mV/cm Oe
f, 10
-6
Hz
2
Figure 2.34 ...