Electrical analysis of inter-growth structured Bi
4
Ti
3
O
12
–Na
0.5
Bi
4.5
Ti
4
O
15
ceramics
Jiang Xiangping
, Jiang Yalin
, Jiang Xingan
†
, Chen Chao
‡
, Tu Na
, Chen Yunjing
(color online) The fitted dc conductivity (a) and ac conductivity (b) at 1 kHz.