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.
초록· 키워드
오류제보하기
Low-frequency dielectric dispersion phenomena in a (Pb<SUB>0.94</SUB>La<SUB>0.06</SUB>)(Zr<SUB>0.95</SUB>Ti<SUB>0.05</SUB>)O₃(PLZT-6/95/5) ceramic were measured using impedance spectroscopy. A factual representation for complex dielectric constant, ε∗(ω, T) = ε∗ interfacial + ε∗ carrier have been inferred, where the ε∗ interfacial and ε∗ carrier couples characterize space charge polarization and a response of charge carriers, respectively. This relationship can be explained by a generalization of the Cole-Cole dielectric function. Reliable agreement was found between measured and calculated dielectric constants over a wide frequency range (1–10<SUP>6</SUP> Hz) between the measured and calculated dielectric constant in the 150–350 ◦C temperatures range. Consequently, in this temperature range, the dielectric relaxation by space charge polarization and the conductivity relaxation by mobile charge carrier mechanisms become increasingly correlated the two mechanisms become progressively more dependence with increasing temperatures.
목차
I. INTRODUCTION
II. EXPERIMENT
III. RESULTS AND DISCUSSIONS
IV. CONCLUSIONS
REFERENCES
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