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논문 기본 정보

자료유형
학술저널
저자정보
Yeon Jung Kim (Dankook University) June Won Hyun (Dankook University)
저널정보
한국진공학회(ASCT) Applied Science and Convergence Technology Applied Science and Convergence Technology Vol.26 No.5
발행연도
2017.9
수록면
143 - 147 (5page)

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Structural studies on the addition characteristics of Nb ions to BaTiO<SUB>3</SUB> solid solutions were performed by XRD and SEM/EDS technique. The X-ray diffraction peaks of the (111), (200) and (002) planes of Nb-doped BaTiO<SUB>3</SUB> solid solutions with different mole% of Nb were analyzed. We also investigated the relationship between the dielectric and structural properties of Nb-doped BaTiO<SUB>3</SUB>. The transition temperatures of BaTiO<SUB>3</SUB> solid solution doped with 0.5mole%Nb and 1.0 mole%Nb were ~116<SUP>o</SUP>C and ~87<SUP>o</SUP>C, respectively, which were found to be shifted to very low temperature from the transition temperature of pure BaTiO<SUB>3</SUB> (about 125<SUP>o</SUP>C). As a result of analysis of 1/K versus T and ln[(1/K)-(1/K<SUB>m</SUB>) versus (T-T<SUB>m</SUB>)] of the two compositions used in this experiment, the diffusivity slightly differs from that of pure BaTiO<SUB>3</SUB> at temperatures above Curie temperature. And this characteristic was analyzed by applying the modified Curie-Weiss law.

목차

Abstract
I. Introduction
II. Experimental Procedure
III. Results and Discussion
IV. Conclusions
References

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