@article{ART001507743},
author={김도완 and 김진성 and Kwun Nam Hui and Lee, Hee-Soo},
title={Electrical properties and degradation behavior of Tm2O3 doped barium titanate ceramics for MLCCs},
journal={Journal of the Korean Crystal Growth and Crystal Technology},
issn={1225-1429},
year={2010},
volume={20},
number={6},
pages={278-282}
TY - JOUR
AU - 김도완
AU - 김진성
AU - Kwun Nam Hui
AU - Lee, Hee-Soo
TI - Electrical properties and degradation behavior of Tm2O3 doped barium titanate ceramics for MLCCs
JO - Journal of the Korean Crystal Growth and Crystal Technology
PY - 2010
VL - 20
IS - 6
PB - The Korea Association Of Crystal Growth, Inc.
SP - 278
EP - 282
SN - 1225-1429
AB - The doping effect of thulium on electrical properties and degradation behavior in barium titanate ceramics (BaTiO3) was investigated in terms of generations of core-shell structure and micro-chemical changes through highly accelerated degradation test. The dielectric specimens of pellet type and multi-layered sheets were prepared by using BaTiO3 with undoped and doped with 1 mol% Tm2O3. The BaTiO3 ceramics doped with 1 mol% Tm2O3 had 40 % higher dielectric constant (ε = 2700) than that of the undoped BaTiO3 specimen at curie temperature and met X7R specification.
According to the result of highly accelerated degradation test conducted at 150oC, 70 V, and 24 hr, the oxygen diffusion was declined in dielectrics doped with 1 mol% Tm2O3. The Tm 3+ion substituted selectively Ba site and Ti site and contributed to the generation of the core-shell structure. Oxygen vacancies occurred by substitution for Ti site could reduce excess oxygen that reacted to the Ni electrode.
KW - Dielectrics;BaTiO3;Tm2O3;Core-shell;Degradation behavior
DO -
UR -
ER -
김도완, 김진성, Kwun Nam Hui and Lee, Hee-Soo. (2010). Electrical properties and degradation behavior of Tm2O3 doped barium titanate ceramics for MLCCs. Journal of the Korean Crystal Growth and Crystal Technology, 20(6), 278-282.
김도완, 김진성, Kwun Nam Hui and Lee, Hee-Soo. 2010, "Electrical properties and degradation behavior of Tm2O3 doped barium titanate ceramics for MLCCs", Journal of the Korean Crystal Growth and Crystal Technology, vol.20, no.6 pp.278-282.
김도완, 김진성, Kwun Nam Hui, Lee, Hee-Soo "Electrical properties and degradation behavior of Tm2O3 doped barium titanate ceramics for MLCCs" Journal of the Korean Crystal Growth and Crystal Technology 20.6 pp.278-282 (2010) : 278.
김도완, 김진성, Kwun Nam Hui, Lee, Hee-Soo. Electrical properties and degradation behavior of Tm2O3 doped barium titanate ceramics for MLCCs. 2010; 20(6), 278-282.
김도완, 김진성, Kwun Nam Hui and Lee, Hee-Soo. "Electrical properties and degradation behavior of Tm2O3 doped barium titanate ceramics for MLCCs" Journal of the Korean Crystal Growth and Crystal Technology 20, no.6 (2010) : 278-282.
김도완; 김진성; Kwun Nam Hui; Lee, Hee-Soo. Electrical properties and degradation behavior of Tm2O3 doped barium titanate ceramics for MLCCs. Journal of the Korean Crystal Growth and Crystal Technology, 20(6), 278-282.
김도완; 김진성; Kwun Nam Hui; Lee, Hee-Soo. Electrical properties and degradation behavior of Tm2O3 doped barium titanate ceramics for MLCCs. Journal of the Korean Crystal Growth and Crystal Technology. 2010; 20(6) 278-282.
김도완, 김진성, Kwun Nam Hui, Lee, Hee-Soo. Electrical properties and degradation behavior of Tm2O3 doped barium titanate ceramics for MLCCs. 2010; 20(6), 278-282.
김도완, 김진성, Kwun Nam Hui and Lee, Hee-Soo. "Electrical properties and degradation behavior of Tm2O3 doped barium titanate ceramics for MLCCs" Journal of the Korean Crystal Growth and Crystal Technology 20, no.6 (2010) : 278-282.
