Structure evolution and electrical properties of Y 3+ -doped Ba 1-x Ca x Zr 0.07 Ti 0.93 O 3 ceramics

Hairui Liu, Qiang Li, Yuanyuan Li, Nengneng Luo, Jaeshik Shim, Jinghan Gao, Qingfeng Yan, Yiling Zhang, Xiangcheng Chu

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

Lead free piezoelectric ceramics of Y 3+ -doped Ba 1-x Ca x Zr 0.07 Ti 0.93 O 3 with x = 0.05, 0.10, and 0.15 were prepared. Composition and temperature-dependent structural phase evolution and electrical properties of as-prepared ceramics were studied systematically by X-ray diffraction, Raman spectroscopy, impedance analyzer, ferroelectric test system, and unipolar strain measurement. Composition with x = 0.10 performs a good piezoelectric constant d 33 of 363 pC/N, coercive field E c of 257 V/mm, remanent polarization P r of 14.5 μC/cm 2 , and a Curie temperature T m of 109°C. High-resolution X-ray diffraction was introduced to indicate presence of orthorhombic phase. Converse piezoelectric constant d 33 * of x = 0.10 composition performed better temperature stability in the range from 50°C to 110°C. That means decreasing orthorhombic-tetragonal phase transition temperature could be an effective way to enlarge its operating temperature range.

Original languageEnglish (US)
Pages (from-to)2076-2081
Number of pages6
JournalJournal of the American Ceramic Society
Volume97
Issue number7
DOIs
StatePublished - Jan 1 2014

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Electric properties
Chemical analysis
X ray diffraction
Piezoelectric ceramics
Remanence
Strain measurement
Curie temperature
Temperature
Superconducting transition temperature
Ferroelectric materials
Raman spectroscopy
Phase transitions

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

Cite this

Liu, Hairui ; Li, Qiang ; Li, Yuanyuan ; Luo, Nengneng ; Shim, Jaeshik ; Gao, Jinghan ; Yan, Qingfeng ; Zhang, Yiling ; Chu, Xiangcheng. / Structure evolution and electrical properties of Y 3+ -doped Ba 1-x Ca x Zr 0.07 Ti 0.93 O 3 ceramics In: Journal of the American Ceramic Society. 2014 ; Vol. 97, No. 7. pp. 2076-2081.
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Structure evolution and electrical properties of Y 3+ -doped Ba 1-x Ca x Zr 0.07 Ti 0.93 O 3 ceramics . / Liu, Hairui; Li, Qiang; Li, Yuanyuan; Luo, Nengneng; Shim, Jaeshik; Gao, Jinghan; Yan, Qingfeng; Zhang, Yiling; Chu, Xiangcheng.

In: Journal of the American Ceramic Society, Vol. 97, No. 7, 01.01.2014, p. 2076-2081.

Research output: Contribution to journalArticle

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AU - Liu, Hairui

AU - Li, Qiang

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AU - Luo, Nengneng

AU - Shim, Jaeshik

AU - Gao, Jinghan

AU - Yan, Qingfeng

AU - Zhang, Yiling

AU - Chu, Xiangcheng

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N2 - Lead free piezoelectric ceramics of Y 3+ -doped Ba 1-x Ca x Zr 0.07 Ti 0.93 O 3 with x = 0.05, 0.10, and 0.15 were prepared. Composition and temperature-dependent structural phase evolution and electrical properties of as-prepared ceramics were studied systematically by X-ray diffraction, Raman spectroscopy, impedance analyzer, ferroelectric test system, and unipolar strain measurement. Composition with x = 0.10 performs a good piezoelectric constant d 33 of 363 pC/N, coercive field E c of 257 V/mm, remanent polarization P r of 14.5 μC/cm 2 , and a Curie temperature T m of 109°C. High-resolution X-ray diffraction was introduced to indicate presence of orthorhombic phase. Converse piezoelectric constant d 33 * of x = 0.10 composition performed better temperature stability in the range from 50°C to 110°C. That means decreasing orthorhombic-tetragonal phase transition temperature could be an effective way to enlarge its operating temperature range.

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