The properties of non-sintered pellets of the high ionic conductivity phase were measured at temperatures greater than 146C by using a frequency of 10GHz. It was found that the presence of grain boundaries reduced the conductivity by an order of magnitude (table 221).

D.C.Dube, A.K.Saraswat: Journal of Applied Physics, 1982, 53[10], 7095-6

Table 221

Ionic Conductivity of Non-Sintered AgI Pellets at 160C