A Novel Route to Greatly Enhanced Dielectric Permittivity with Reduce Loss Tangent in   CaCu   3− x    Zn    x    Ti   4   O   12 /  CaTiO   3  Composites | Zendy

Jumpatam Jutapol | Zendy; Putasaeng Bundit | Zendy; Yamwong Teerapon | Zendy; Thongbai Prasit | Zendy; Maensiri Santi | Zendy

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A Novel Route to Greatly Enhanced Dielectric Permittivity with Reduce Loss Tangent in CaCu 3− x Zn x Ti 4 O 12 / CaTiO 3 Composites

Author(s) -

Jumpatam Jutapol,

Putasaeng Bundit,

Yamwong Teerapon,

Thongbai Prasit,

Maensiri Santi

Publication year - 2014

Publication title -

journal of the american ceramic society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.9

H-Index - 196

eISSN - 1551-2916

pISSN - 0002-7820

DOI - 10.1111/jace.13048

Subject(s) - permittivity , dielectric , doping , materials science , dissipation factor , dielectric permittivity , nonlinear system , relative permittivity , dielectric loss , analytical chemistry (journal) , mineralogy , chemistry , optoelectronics , chromatography , physics , quantum mechanics

Dielectric and nonlinear properties of a binary compound derived from Ca 2 Cu 2 Ti 4 O 12 were greatly improved by doping with Zn 2+ to deliberately create CaCu 3 –x Zn x Ti 4 O 12 / CaTiO 3 composites. Ca 2 Cu 1.8 Zn 0.2 Ti 4 O 12 composition can exhibit an enhanced ε′, ~6,513, with a strong reduction in tanδ to ~0.015 (at 1 kHz). The nonlinear coefficient and breakdown field strength were significantly enhanced. The dielectric and nonlinear properties were described based on the effect of Zn 2+ substitution on electrical response of internal interfaces.

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