The conductivity of polycrystalline La0.52Li0.35TiO2.96 was measured as a function of hydrostatic pressures of up to 1.2GPa, at temperatures ranging from 238 to 294K. It was found that the conductivity decreased with increasing pressure. The value of the activation volume for ionic motion was deduced to be positive, and to be lie between 1.6 and 1.7cm3/mol, within the above temperature range. This suggested that a dilatation of the lattice occurred during transport. The activation energy for ionic conduction increased slightly with increasing pressure.

Y.Inaguma, J.Yu, Y.J.Shan, M.Itoh, T.Nakamura: Journal of the Electrochemical Society, 1995, 142[1], L8-11