Complex permittivity and relaxation processes in CaCu3Ti(4−x)MnxO12. Issue 9 (July 2016)

• Record Type: Journal Article
• Authors: Yang, J.; Yang, C.P.; Luo, X.J.; Shi, D.W.; Xiao, H.B.; Xu, L.F.; Bärner, K.
• Is Part Of: Ceramics international. Volume 42:Issue 9(2016)
• Page Start: 10866
• Page End: 10871
• Publication Date: 2016-07
• Subjects: Complex permittivity -- Relaxation processes -- CaCu3Ti(4−x)MnxO12 -- Mn-doping; Ceramics -- Periodicals; Céramique industrielle -- Périodiques; Ceramics; Periodicals; Electronic journals; 666
• DOI: 10.1016/j.ceramint.2016.03.217
• Languages: English
• ISSNs: 0272-8842

Abstract

Abstract: The effects of Mn-doping on CaCu3 Ti4 O12 (CCTO), i.e. the electrical properties of CaCu3 Ti(4− x ) Mn x O12 were studied in order to get a deep insight into the origin of the colossal dielectric constant of CCTO. It was found that 1 mol% substitution of Mn for Ti decreases the dielectric constant largely to a factor of 1/100, supporting the point of view that the native defects are responsible for the dielectric response of CCTO.