Dielectric properties and microstructures of (CaxSr1-x) ZrO3 ceramics|RISS 상세보기

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다국어 초록 (Multilingual Abstract)

The effects of Ca/Sr ratio and the sintering temperature on the properties of (CaxSr(1-x))ZrO3 (CSZ) ceramics were investigatedin this study. CSZ ceramics were prepared using solid-state reaction process, which were sintered in air at temperaturesranging from 1350 oC to 1450 oC. Their structures were characterized by X-ray Diffraction (XRD), Scanning ElectronMicroscopy (SEM), and Transmission Electron Microscopy (TEM). The change in Ca/Sr ratio significantly affected thecrystalline phase and the dielectric properties of the (CaxSr(1-x))ZrO3 ceramics. The secondary phase, Ca0.15Zr0.85O1.85, wasobserved and increased correspondingly with the rising of sintering temperatures. In order to understand the effects ofsecondary phase on the dielectric properties of CSZ ceramics, the Ca0.15Zr0.85O1.85 phase was prepared individually using solidstatemethod. The Ca0.15Zr0.85O1.85 ceramics sintered at 1500 oC for 2 hours possessed a dielectric constant (εr) of 21.7, adielectric loss (tanδ) of 49.510−4 and an Insulation Resistance (IR) of 2.1 × 1010 Ω. The (Ca0.7Sr0.3)ZrO3 ceramics exhibited thebest dielectric properties, with a permittivity of 29, a dielectric loss (tanδ) of 2.7 × 10−4, and an Insulation Resistance (IR) of2.6 × 1012 Ω.

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참고문헌 (Reference)

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2023	평가	해외DB학술지평가 신청대상 (해외등재 학술지 평가)
2022-10-24	학회명변경	한글명 : 세라믹연구소 -> 청정에너지연구소 영문명 : Ceramic Research Institute -> Clean-Energy Research Institute
2020-01-01	등재	등재학술지 유지 (해외등재 학술지 평가)
2019-08-19	학회명변경	한글명 : 세라믹공정연구센터 -> 세라믹연구소 영문명 : Ceramic Processing Research Center -> Ceramic Research Institute
2011-01-01	등재	등재학술지 유지 (등재유지)
2006-01-01	등재	SCI 등재 (등재후보1차)
2003-01-01	등재	등재후보학술지 선정 (신규평가)