Erratum: “Broadband dielectric spectroscopy on single-crystalline and ceramic ” [Appl. Phys. Lett.91, 022910 (2007)]
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(Color online) of a ceramic CCTO sample with silver paint contacts at various temperatures. Results are shown for the untreated sample (a), after polishing under atmosphere (b), and after leaving it in air for 48 h (contacts removed) (c). The inset shows the conductivity at 140 K for the three treatments.
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