Shape of Complex Resistivity Arcs for lonically Conducting Glasses

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Abstract
It is shown experimentally and theoretically that the plot of the bulk glass complex resistivity, ρ★, must approach the origin at high frequencies and intersect the real axis at low frequencies, in both cases at a 90° angle. The ρ★ plot is not described accurately by an arc of a circle with its center below the real axis, although such circular arcs retain their usefulness in some cases for extrapolating the dc resistivity, ρ.