Figure 8
Temperature dependence of the thicknesses of the slabs (d1; gray circles) and the interslab regions (d2; black diamonds) relative to the values at 350 K of (a) La5(Ti0.8Fe0.2)5O17 (n = 5) and (b) La6(Ti0.67Fe0.33)6O20 (n = 6). Lines are a linear fit to the data points according to Table 2. |