A Novel Route to Greatly Enhanced Dielectric Permittivity with Reduce Loss Tangent in CaCu3-xZnxTi4O12/CaTiO3 Composites

被引：25
|
作者：
Jumpatam, Jutapol [1 ]
Putasaeng, Bundit [2 ]
Yamwong, Teerapon [2 ]
Thongbai, Prasit [3 ]
Maensiri, Santi [4 ]
机构：
[1] Khon Kaen Univ, Mat Sci & Nanotechnol Program, Fac Sci, Khon Kaen 40002, Thailand
[2] Natl Met & Mat Technol Ctr MTEC, Pathum Thani 12120, Thailand
[3] Khon Kaen Univ, Fac Sci, Dept Phys, Khon Kaen 40002, Thailand
[4] Nanotec KKU Ctr Excellence Adv Nanomat Energy Pro, Khon Kaen 40002, Thailand
来源：
JOURNAL OF THE AMERICAN CERAMIC SOCIETY | 2014年 / 97卷 / 08期
关键词：
CACU3TI4O12; CERAMICS; BEHAVIOR; BARRIER;
D O I：
10.1111/jace.13048
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Dielectric and nonlinear properties of a binary compound derived from Ca2Cu2Ti4O12 were greatly improved by doping with Zn2+ to deliberately create CaCu3-xZnxTi4O12/CaTiO3 composites. Ca2Cu1.8Zn0.2Ti4O12 composition can exhibit an enhanced epsilon', similar to 6,513, with a strong reduction in tan delta to similar 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 Zn2+ substitution on electrical response of internal interfaces.
引用
收藏
页码：2368 / 2371
页数：4
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