대한전기학회:학술대회논문집 (Proceedings of the KIEE Conference)
- 대한전기학회 1997년도 하계학술대회 논문집 C
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- Pages.1239-1243
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- 1997
X-ray and dielectric study of the phase transition in PbFe1/2Nb1/2O3-PbCo1/2W1/2O3 ceramics
- Park, Yung (Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology) ;
- Lee, Hong-Min (Department of Electronic Engineering Kyonggi University) ;
- Kim, Ho-Gi (Department of Materials Science and Engineering, Korea Advanced Institute of Science and Technology)
- 발행 : 1997.07.21
초록
A phase analysis in the solid solution of (1-x) PbFe1/2Nb1/2O3-xPbCo1/2W1/2O3 is conducted by dielectric properties, heat capacity and E-P hysteresis at x=0.1 interval. Lattice constants and superlattice intensity are analyzed by the x-ray diffraction, and the temperature - composition phase diagram is determined. The system is found to form a solid solution of perovskite structure throughout the entire composition range, but the nature of phase transitions changes from ferroelectric-paraelectric for
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