Research Article

Dielectric Relaxation and Hopping Conduction in La2NiO4+δ

Figure 5

(a) Frequency dependence of the real part ( ) of electric modulus at various temperatures for . (b) Frequency dependence of imaginary part ( ) of electric modulus at various temperatures for .
169528.fig.005a
(a)
169528.fig.005b
(b)