지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
이용수
초록· 키워드
오류제보하기
Ferroelectric ceramics are broadly used for various industrial applications. In this research, the lead-free ferroelectric ceramics of (K<SUB>0.5</SUB>Na<SUB>0.5</SUB>)NbO₃ was fabricated by using the solid state synthesis. The (K<SUB>0.5</SUB>Na<SUB>0.5</SUB>)NbO₃ pellets were sintered at 1200, 1150 and 1100 ℃ for 4 hours in air atmosphere. Field-emission scanning electron microscopy (FE-SEM) characterization of the sintered KNN ceramics revealed surface morphology and grain size. And we used the X-ray diffraction (XRD) for measuring the sample crystal phase. Temperature dependence of the dielectric constant was measured by using an LCR meter. The sintered at 1150 ℃ for 4 hours sample has a highest dielectric constant 6011 at Curie temperature (T<SUB>C</SUB>) and dense structure with 2.33 μm grain size.
목차
Abstract
1. 서론
2. 실험방법
3. 결과 및 고찰
4. 결론
References
참고문헌 (20)
참고문헌 신청
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