Relaxor behavior in CaCu3Ti4O12 ceramics

Shanming Ke; Haitao Huang; Huiqing Fan

doi:10.1063/1.2374682

Relaxor behavior in CaCu₃Ti₄O₁₂ ceramics

Shanming Ke
, Haitao Huang
, Huiqing Fan

材料学院

Northwestern Polytechnical University Xian
Hong Kong Polytechnic University

科研成果: 期刊稿件 › 文章 › 同行评审

147 引用（Scopus）

摘要

The dielectric properties of Ca Cu3 Ti4 O12 (CCTO) ceramics have been investigated in a temperature range of 143-573 K and a frequency range of 1 Hz-10 MHz. A dielectric anomaly has been observed between 350 and 600 K. The broad dielectric peaks in ε′ (T) can be well fitted by a modified Curie-Weiss law and a Vogel-Fulcher relationship, which is indicative of a relaxor ferroelectric behavior. A slim I-V loop as well as the P-E hysteresis loop and broad maxima in ε″ (f) also suggest the existence of a relaxor ferroelectric behavior in CCTO ceramics.

源语言	英语
文章编号	182904
期刊	Applied Physics Letters
卷	89
期	18
DOI	https://doi.org/10.1063/1.2374682
出版状态	已出版 - 2006

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abstract = "The dielectric properties of Ca Cu3 Ti4 O12 (CCTO) ceramics have been investigated in a temperature range of 143-573 K and a frequency range of 1 Hz-10 MHz. A dielectric anomaly has been observed between 350 and 600 K. The broad dielectric peaks in ε′ (T) can be well fitted by a modified Curie-Weiss law and a Vogel-Fulcher relationship, which is indicative of a relaxor ferroelectric behavior. A slim I-V loop as well as the P-E hysteresis loop and broad maxima in ε″ (f) also suggest the existence of a relaxor ferroelectric behavior in CCTO ceramics.",

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AB - The dielectric properties of Ca Cu3 Ti4 O12 (CCTO) ceramics have been investigated in a temperature range of 143-573 K and a frequency range of 1 Hz-10 MHz. A dielectric anomaly has been observed between 350 and 600 K. The broad dielectric peaks in ε′ (T) can be well fitted by a modified Curie-Weiss law and a Vogel-Fulcher relationship, which is indicative of a relaxor ferroelectric behavior. A slim I-V loop as well as the P-E hysteresis loop and broad maxima in ε″ (f) also suggest the existence of a relaxor ferroelectric behavior in CCTO ceramics.

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Relaxor behavior in CaCu3Ti4O12 ceramics

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Relaxor behavior in CaCu₃Ti₄O₁₂ ceramics