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Title: Dielectric properties of barium titanate ceramics modified by Cuo in different methods
Authors: Shen, Z
Wang, Y
Chen, W
Chan, HLW 
Bing, L
Keywords: BaO
Barium titanate ceramics
Dielectric property
SiO 2
Issue Date: 2012
Publisher: Scientific.Net
Source: Advanced materials research, 2012, v. 463-464, p. 276-280 How to cite?
Journal: Advanced materials research 
Abstract: CuO has been doped solely and together with BaO and SiO 2 into barium titanate by mixing and calcination. X-ray diffraction showed that the sample doped by CuO-BaO has stable second hexagonal phase while the samples doped by CuO, CuO-SiO 2 were of a pure perovskite phase. For CuO-BaO doping, the Curie temperature was decreased accompanied with higher ε max; while for CuO doping and CuO-SiO 2 codoping, the Curie temperature was increased with ε max decreased. The difference can be explained considering that Cu 2+ ion could not only incorporate into the BaTiO 3 lattice, but also assemble in the boundary phase when CuO was doped solely. Besides, the mechanisms of CuO doping and SiO 2 doping could happen at one time.
Description: 2012 2nd International Conference on Advanced Material Research, ICAMR 2012, Chengdu, 7-8 January 2012
ISBN: 9783037853634
ISSN: 1022-6680
EISSN: 1662-8985
DOI: 10.4028/
Appears in Collections:Conference Paper

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