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- Title
Syntheses and dielectric properties of perovskite ceramic system PFW0.8−x·PMN0.2·PFNx.
- Authors
Jun, Sun-Gon; Kim, Nam-Kyoung
- Abstract
(Fe $$Pb[(Fe_{2/3} W_{1/3} )_{0.8 - x} (Mg_{1/3} Nb_{2/3} )_{0.2} (Fe_{1/2} Nb_{1/2} )_x ]O_3 $$ system perovskite powders (phase purity >99%) were prepared via B-site precursor routes. Lattice parameter changes were analyzed in terms of B-site cation stoichiometries and sizes. Weak-field radio-frequency dielectric characteristics were investigated to verify the effect of composition modification on Curie temperatures and maximum dielectric constants. Unusual relaxation behaviors of frequency dispersion in the dielectric constant spectra at paraelectric region were observed.
- Subjects
PEROVSKITE; STOICHIOMETRY; RADIO frequency; DIELECTRICS; CURIE temperature
- Publication
Journal of Materials Science, 2000, Vol 35, Issue 6, p1459
- ISSN
0022-2461
- Publication type
Article
- DOI
10.1023/A:1004704208275