Abstract
Eu-based copper oxide layered ceramics have some interesting dielectric properties depending on its stoichiometric ratios and elements used in ceramics. In this study, optical properties of EuSr2CaCu2O6.5 and Eu0.3Bi0.7Sr2CaCu2O6.5 samples and dielectric property of EuSr2CaCu2O6.5 sample were investigated for the first time. Negative real permittivity for EuSr2CaCu2O6+x sample was observed at temperature with 373 K and higher temperatures and below than the cross over frequency with 14 Hz. Moreover, it is determined that Eu3+ concentration in the material affects the relative emission intensity.
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