journal article·2013-07

Effects of LiF on the Structure and Properties of Ba 0.85 Ca 0.15 Zr 0.1 Ti 0.9 O 3 Lead‐Free Piezoelectric Ceramics

Chee Kiang Ivan Tan, Kui Yao, Jan Ma

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Abstract

Preparation of Ba 0.85 Ca 0.15 Zr 0.1 Ti 0.9 O 3 ( BCZT ) lead‐free piezoelectric ceramics with different amounts of LiF ( BCZT ‐ xLiF ) was done, and the effects of the LiF doping on the phase transition behavior and the electrical properties of the resulting ceramic were investigated. The experimental results showed that the polymorphic rhombohedral‐tetragonal phase transition temperature was found shifted toward room temperature with the Li doping. The study showed that BCZT lead‐free piezoelectric ceramic with improved performance properties at room temperature can be achieved by shifting the polymorphic phase transition point nearer room temperature through the addition of LiF .
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Research context

OpenAlex topics: Ferroelectric and Piezoelectric Materials · Acoustic Wave Resonator Technologies · Microwave Dielectric Ceramics Synthesis

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Institute of Materials Research and Engineering A*STAR (Agency for Science, Technology and Research) Singapore 117602 Singapore

School of Materials Science and Engineering Nanyang Technological University Singapore 639798 Singapore

Temasek Laboratories@NTU Singapore 637553 Singapore

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