Abstract
We present a remarkable effect of Mn doping on the dielectric and nonlinear electric properties of Ca Cu3 Ti4 O12 ceramics. The results indicate that only 2.5 at. % Mn doping can suppress the dielectric permitivity in Ca Cu3 Ti4 O12 by up to two orders of magnitude (from 104 to 102), and the nonlinear varistor characteristics disappear completely, which should be mainly ascribed to the decrease of potential barrier height at the grain boundary and charge compensation for the conduction electrons caused by the Mn doping. © 2007 American Institute of Physics.
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CITATION STYLE
Cai, J., Lin, Y. H., Cheng, B., Nan, C. W., He, J., Wu, Y., & Chen, X. (2007). Dielectric and nonlinear electrical behaviors observed in Mn-doped Ca Cu3 Ti4 O12 ceramic. Applied Physics Letters, 91(25). https://doi.org/10.1063/1.2825472
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