Domain structure of nonstoichiometric sodium potassium niobate-based ceramics for piezoelectric acoustic actuators

Hsiu Hsien Su; Cheng Shong Hong; Cheng Che Tsai; Sheng Yuan Chu

doi:10.1016/j.ceramint.2017.11.163

Domain structure of nonstoichiometric sodium potassium niobate-based ceramics for piezoelectric acoustic actuators

Hsiu Hsien Su, Cheng Shong Hong, Cheng Che Tsai, Sheng Yuan Chu

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

3 Citations (Scopus)

Abstract

In this work, three piezoelectric acoustic actuators are prepared by using multi-layer technology for lead-free (Na_0.48-xK_0.48-xLi_0.04)Nb_0.89-xTa_0.05Sb_0.06O₃-xSrTiO₃ (NKLNTS-xST) ceramics, x=0 and 0.007, and commercial lead-based ceramic. The phase and domain structure are also investigated by using the XRD patterns and TEM images of the NKLNTS-xST ceramics. The (Na_0.473K_0.473Li_0.04Sr_0.007)Nb_0.883Ti_0.007Ta_0.05Sb_0.06O₃ piezoelectric acoustic actuator has the best sound pressure level and d₃₃ value of 650 pCN⁻¹. The response mechanisms suggest that the piezoelectric ceramic vibration amplitude was increased and the sound pressure level improved since the orthorhombic and tetragonal phases were found to coexist and the nanoscale domain increased for the (Na_0.473K_0.473Li_0.04Sr_0.007)Nb_0.883Ti_0.007Ta_0.05Sb_0.06O₃ ceramic.

Original language	English
Pages (from-to)	3787-3790
Number of pages	4
Journal	Ceramics International
Volume	44
Issue number	4
DOIs	https://doi.org/10.1016/j.ceramint.2017.11.163
Publication status	Published - 2018 Mar

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Process Chemistry and Technology
Surfaces, Coatings and Films
Materials Chemistry

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@article{941387dd78064ff0b10870999ca15d9b,

title = "Domain structure of nonstoichiometric sodium potassium niobate-based ceramics for piezoelectric acoustic actuators",

abstract = "In this work, three piezoelectric acoustic actuators are prepared by using multi-layer technology for lead-free (Na0.48-xK0.48-xLi0.04)Nb0.89-xTa0.05Sb0.06O3-xSrTiO3 (NKLNTS-xST) ceramics, x=0 and 0.007, and commercial lead-based ceramic. The phase and domain structure are also investigated by using the XRD patterns and TEM images of the NKLNTS-xST ceramics. The (Na0.473K0.473Li0.04Sr0.007)Nb0.883Ti0.007Ta0.05Sb0.06O3 piezoelectric acoustic actuator has the best sound pressure level and d33 value of 650 pCN−1. The response mechanisms suggest that the piezoelectric ceramic vibration amplitude was increased and the sound pressure level improved since the orthorhombic and tetragonal phases were found to coexist and the nanoscale domain increased for the (Na0.473K0.473Li0.04Sr0.007)Nb0.883Ti0.007Ta0.05Sb0.06O3 ceramic.",

author = "Su, {Hsiu Hsien} and Hong, {Cheng Shong} and Tsai, {Cheng Che} and Chu, {Sheng Yuan}",

note = "Funding Information: We gratefully acknowledge the financial support provided from the Ministry of Science and Technology (MOST), Taiwan, R.O.C. (Grant nos. MOST 106-2622-E-006-019-CC3 , MOST 106-2221-E-017-010-MY3 , and MOST 106-2221-E-006-226 ). The author also wishes to thank Yu-Cheng Liu of the Feng Chia University for his help in providing the anechoic chamber and SPL measurement.",

year = "2018",

month = mar,

doi = "10.1016/j.ceramint.2017.11.163",

language = "English",

volume = "44",

pages = "3787--3790",

journal = "Ceramics International",

issn = "0272-8842",

publisher = "Elsevier Limited",

number = "4",

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TY - JOUR

T1 - Domain structure of nonstoichiometric sodium potassium niobate-based ceramics for piezoelectric acoustic actuators

AU - Su, Hsiu Hsien

AU - Hong, Cheng Shong

AU - Tsai, Cheng Che

AU - Chu, Sheng Yuan

N1 - Funding Information: We gratefully acknowledge the financial support provided from the Ministry of Science and Technology (MOST), Taiwan, R.O.C. (Grant nos. MOST 106-2622-E-006-019-CC3 , MOST 106-2221-E-017-010-MY3 , and MOST 106-2221-E-006-226 ). The author also wishes to thank Yu-Cheng Liu of the Feng Chia University for his help in providing the anechoic chamber and SPL measurement.

PY - 2018/3

Y1 - 2018/3

N2 - In this work, three piezoelectric acoustic actuators are prepared by using multi-layer technology for lead-free (Na0.48-xK0.48-xLi0.04)Nb0.89-xTa0.05Sb0.06O3-xSrTiO3 (NKLNTS-xST) ceramics, x=0 and 0.007, and commercial lead-based ceramic. The phase and domain structure are also investigated by using the XRD patterns and TEM images of the NKLNTS-xST ceramics. The (Na0.473K0.473Li0.04Sr0.007)Nb0.883Ti0.007Ta0.05Sb0.06O3 piezoelectric acoustic actuator has the best sound pressure level and d33 value of 650 pCN−1. The response mechanisms suggest that the piezoelectric ceramic vibration amplitude was increased and the sound pressure level improved since the orthorhombic and tetragonal phases were found to coexist and the nanoscale domain increased for the (Na0.473K0.473Li0.04Sr0.007)Nb0.883Ti0.007Ta0.05Sb0.06O3 ceramic.

AB - In this work, three piezoelectric acoustic actuators are prepared by using multi-layer technology for lead-free (Na0.48-xK0.48-xLi0.04)Nb0.89-xTa0.05Sb0.06O3-xSrTiO3 (NKLNTS-xST) ceramics, x=0 and 0.007, and commercial lead-based ceramic. The phase and domain structure are also investigated by using the XRD patterns and TEM images of the NKLNTS-xST ceramics. The (Na0.473K0.473Li0.04Sr0.007)Nb0.883Ti0.007Ta0.05Sb0.06O3 piezoelectric acoustic actuator has the best sound pressure level and d33 value of 650 pCN−1. The response mechanisms suggest that the piezoelectric ceramic vibration amplitude was increased and the sound pressure level improved since the orthorhombic and tetragonal phases were found to coexist and the nanoscale domain increased for the (Na0.473K0.473Li0.04Sr0.007)Nb0.883Ti0.007Ta0.05Sb0.06O3 ceramic.

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JO - Ceramics International

JF - Ceramics International

SN - 0272-8842

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ER -

Domain structure of nonstoichiometric sodium potassium niobate-based ceramics for piezoelectric acoustic actuators

Abstract

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