Broadband dielectric spectroscopy on single-crystalline and ceramic CaCu3Ti4O12

By S. Krohns, P. Lunkenheimer, S. Ebbinghaus, A. Loidl. 2006

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The authors present dielectric measurements of the colossal dielectric constant material CaCu3Ti4O12 extending up to 1.3GHz also covering so far only rarely investigated single-crystalline samples. Special emphasis is put on the second relaxation reported in several works on polycrystals, which the authors detect also in single crystals. For polycrystalline samples, the authors provide a recipe to achieve values of the dielectric constant as high as in single crystals.

Subfields: Biomedical Engineering, Electrical and Electronic Engineering, Materials Chemistry

View Paper: https://www.semanticscholar.org/paper/cf557202bfce704a9c05a9c25c284f9261278bea