Domain structures and piezoelectric properties of low-temperature sintered (Ba0.95Ca0.05)(Ti0.94Sn0.06)O3 ceramics with CuO additive

Yuan Sun; Yunfei Chang; Jie Wu; Xiaohui Wang; Shantao Zhang; Ruixue Wang; Bin Yang; Wenwu Cao

doi:10.1016/j.matlet.2016.04.125

Domain structures and piezoelectric properties of low-temperature sintered (Ba_0.95Ca_0.05)(Ti_0.94Sn_0.06)O₃ ceramics with CuO additive

Yuan Sun, Yunfei Chang, Jie Wu, Xiaohui Wang, Shantao Zhang, Ruixue Wang, Bin Yang, Wenwu Cao

Research output: Contribution to journal › Article › peer-review

11 Scopus citations

Abstract

(Ba_0.95Ca_0.05)(Ti_0.94Sn_0.06)O₃-x mol% CuO ceramics were fabricated to investigate their domain structures and piezoelectric properties. The CuO additive significantly improved the densification behavior of the ceramics, resulting in a reduced sintering temperature by ∼150 °C. Increasing x shifted the orthorhombic-tetragonal phase transition towards lower temperatures, and caused the specific ratio of tetragonal to orthorhombic phase to increase at room temperature. The herringbone domain patterns became much simpler and their number substantially decreased. The watermarks and parallel strips are the dominant domain configuration in ceramics with x=0.50 which show the optimum piezoelectric properties: d₃₃ ∼ 516 pC/N, d₃₃∗ ∼ 996 pC/N, k_p ∼ 0.42, and Q_m ∼ 352. The underlying physical mechanisms for the enhanced piezoelectricity in the CuO-doped ceramics were discussed.

Original language	English (US)
Pages (from-to)	128-131
Number of pages	4
Journal	Materials Letters
Volume	177
DOIs	https://doi.org/10.1016/j.matlet.2016.04.125
State	Published - Aug 15 2016

All Science Journal Classification (ASJC) codes

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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@article{fbde7a21775646d08bd98ef299d2c59f,

title = "Domain structures and piezoelectric properties of low-temperature sintered (Ba0.95Ca0.05)(Ti0.94Sn0.06)O3 ceramics with CuO additive",

abstract = "(Ba0.95Ca0.05)(Ti0.94Sn0.06)O3-x mol% CuO ceramics were fabricated to investigate their domain structures and piezoelectric properties. The CuO additive significantly improved the densification behavior of the ceramics, resulting in a reduced sintering temperature by ∼150 °C. Increasing x shifted the orthorhombic-tetragonal phase transition towards lower temperatures, and caused the specific ratio of tetragonal to orthorhombic phase to increase at room temperature. The herringbone domain patterns became much simpler and their number substantially decreased. The watermarks and parallel strips are the dominant domain configuration in ceramics with x=0.50 which show the optimum piezoelectric properties: d33 ∼ 516 pC/N, d33∗ ∼ 996 pC/N, kp ∼ 0.42, and Qm ∼ 352. The underlying physical mechanisms for the enhanced piezoelectricity in the CuO-doped ceramics were discussed.",

author = "Yuan Sun and Yunfei Chang and Jie Wu and Xiaohui Wang and Shantao Zhang and Ruixue Wang and Bin Yang and Wenwu Cao",

year = "2016",

month = aug,

day = "15",

doi = "10.1016/j.matlet.2016.04.125",

language = "English (US)",

volume = "177",

pages = "128--131",

journal = "Materials Letters",

issn = "0167-577X",

publisher = "Elsevier B.V.",

}

TY - JOUR

T1 - Domain structures and piezoelectric properties of low-temperature sintered (Ba0.95Ca0.05)(Ti0.94Sn0.06)O3 ceramics with CuO additive

AU - Sun, Yuan

AU - Chang, Yunfei

AU - Wu, Jie

AU - Wang, Xiaohui

AU - Zhang, Shantao

AU - Wang, Ruixue

AU - Yang, Bin

AU - Cao, Wenwu

PY - 2016/8/15

Y1 - 2016/8/15

N2 - (Ba0.95Ca0.05)(Ti0.94Sn0.06)O3-x mol% CuO ceramics were fabricated to investigate their domain structures and piezoelectric properties. The CuO additive significantly improved the densification behavior of the ceramics, resulting in a reduced sintering temperature by ∼150 °C. Increasing x shifted the orthorhombic-tetragonal phase transition towards lower temperatures, and caused the specific ratio of tetragonal to orthorhombic phase to increase at room temperature. The herringbone domain patterns became much simpler and their number substantially decreased. The watermarks and parallel strips are the dominant domain configuration in ceramics with x=0.50 which show the optimum piezoelectric properties: d33 ∼ 516 pC/N, d33∗ ∼ 996 pC/N, kp ∼ 0.42, and Qm ∼ 352. The underlying physical mechanisms for the enhanced piezoelectricity in the CuO-doped ceramics were discussed.

AB - (Ba0.95Ca0.05)(Ti0.94Sn0.06)O3-x mol% CuO ceramics were fabricated to investigate their domain structures and piezoelectric properties. The CuO additive significantly improved the densification behavior of the ceramics, resulting in a reduced sintering temperature by ∼150 °C. Increasing x shifted the orthorhombic-tetragonal phase transition towards lower temperatures, and caused the specific ratio of tetragonal to orthorhombic phase to increase at room temperature. The herringbone domain patterns became much simpler and their number substantially decreased. The watermarks and parallel strips are the dominant domain configuration in ceramics with x=0.50 which show the optimum piezoelectric properties: d33 ∼ 516 pC/N, d33∗ ∼ 996 pC/N, kp ∼ 0.42, and Qm ∼ 352. The underlying physical mechanisms for the enhanced piezoelectricity in the CuO-doped ceramics were discussed.

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DO - 10.1016/j.matlet.2016.04.125

M3 - Article

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VL - 177

SP - 128

EP - 131

JO - Materials Letters

JF - Materials Letters

ER -

Domain structures and piezoelectric properties of low-temperature sintered (Ba_0.95Ca_0.05)(Ti_0.94Sn_0.06)O₃ ceramics with CuO additive

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