Phase structure transformations and electrical properties of (Na0.52K0.4425)(Nb0.8925Sb0.07)O3-0.0375LiTaO3 ceramics according to sintering temperature

Hsiu Hsien Su; Cheng Shong Hong; Hong Ru Chen; Yung Der Juang; Cheng Che Tsai; Sheng Yuan Chu

doi:10.1149/2.0061803jss

Phase structure transformations and electrical properties of (Na_0.52K_0.4425)(Nb_0.8925Sb_0.07)O₃-0.0375LiTaO₃ ceramics according to sintering temperature

Hsiu Hsien Su, Cheng Shong Hong, Hong Ru Chen, Yung Der Juang, Cheng Che Tsai, Sheng Yuan Chu

研究成果: Article › 同行評審

4 引文斯高帕斯（Scopus）

摘要

In the present work, the effects of sintering temperature are investigated for the lead-free (Na_0.52K_0.4425)(Nb_0.8925Sb_0.07)O3-0.0375LiTaO₃ ceramics. The phase structure transformations are identified via the XRD patterns and Rietveld refinement method. In addition, the electric properties are investigated through the empirical law, the Curie-Weiss law and the ferroelectric hysteresis loops. The best piezoelectric properties (P_r = 41.96 μC/cm², E_c = 7.77 kV/cm, d₃₃ = 310 pC/N and k_P = 48%) were obtained at the sintering temperature of 1130^◦C. The response mechanisms suggest that a more polymorphic phase boundary, a more uniform grain, a higher density and fewer cation-oxygen vacancies can improve the electric properties.

原文	English
頁（從 - 到）	N29-N35
期刊	ECS Journal of Solid State Science and Technology
卷	7
發行號	3
DOIs	https://doi.org/10.1149/2.0061803jss
出版狀態	Published - 2018 1月

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title = "Phase structure transformations and electrical properties of (Na0.52K0.4425)(Nb0.8925Sb0.07)O3-0.0375LiTaO3 ceramics according to sintering temperature",

abstract = "In the present work, the effects of sintering temperature are investigated for the lead-free (Na0.52K0.4425)(Nb0.8925Sb0.07)O3-0.0375LiTaO3 ceramics. The phase structure transformations are identified via the XRD patterns and Rietveld refinement method. In addition, the electric properties are investigated through the empirical law, the Curie-Weiss law and the ferroelectric hysteresis loops. The best piezoelectric properties (Pr = 41.96 μC/cm2, Ec = 7.77 kV/cm, d33 = 310 pC/N and kP = 48%) were obtained at the sintering temperature of 1130◦C. The response mechanisms suggest that a more polymorphic phase boundary, a more uniform grain, a higher density and fewer cation-oxygen vacancies can improve the electric properties.",

author = "Su, {Hsiu Hsien} and Hong, {Cheng Shong} and Chen, {Hong Ru} and Juang, {Yung Der} 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 Hui-Hung Hsih of the Instrument Center, National Cheng Kung University, for her help with SEM operation. Publisher Copyright: {\textcopyright} 2018 The Electrochemical Society.",

year = "2018",

month = jan,

doi = "10.1149/2.0061803jss",

language = "English",

volume = "7",

pages = "N29--N35",

journal = "ECS Journal of Solid State Science and Technology",

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publisher = "Electrochemical Society, Inc.",

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TY - JOUR

T1 - Phase structure transformations and electrical properties of (Na0.52K0.4425)(Nb0.8925Sb0.07)O3-0.0375LiTaO3 ceramics according to sintering temperature

AU - Su, Hsiu Hsien

AU - Hong, Cheng Shong

AU - Chen, Hong Ru

AU - Juang, Yung Der

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 Hui-Hung Hsih of the Instrument Center, National Cheng Kung University, for her help with SEM operation. Publisher Copyright: © 2018 The Electrochemical Society.

PY - 2018/1

Y1 - 2018/1

N2 - In the present work, the effects of sintering temperature are investigated for the lead-free (Na0.52K0.4425)(Nb0.8925Sb0.07)O3-0.0375LiTaO3 ceramics. The phase structure transformations are identified via the XRD patterns and Rietveld refinement method. In addition, the electric properties are investigated through the empirical law, the Curie-Weiss law and the ferroelectric hysteresis loops. The best piezoelectric properties (Pr = 41.96 μC/cm2, Ec = 7.77 kV/cm, d33 = 310 pC/N and kP = 48%) were obtained at the sintering temperature of 1130◦C. The response mechanisms suggest that a more polymorphic phase boundary, a more uniform grain, a higher density and fewer cation-oxygen vacancies can improve the electric properties.

AB - In the present work, the effects of sintering temperature are investigated for the lead-free (Na0.52K0.4425)(Nb0.8925Sb0.07)O3-0.0375LiTaO3 ceramics. The phase structure transformations are identified via the XRD patterns and Rietveld refinement method. In addition, the electric properties are investigated through the empirical law, the Curie-Weiss law and the ferroelectric hysteresis loops. The best piezoelectric properties (Pr = 41.96 μC/cm2, Ec = 7.77 kV/cm, d33 = 310 pC/N and kP = 48%) were obtained at the sintering temperature of 1130◦C. The response mechanisms suggest that a more polymorphic phase boundary, a more uniform grain, a higher density and fewer cation-oxygen vacancies can improve the electric properties.

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Phase structure transformations and electrical properties of (Na0.52K0.4425)(Nb0.8925Sb0.07)O3-0.0375LiTaO3 ceramics according to sintering temperature

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Phase structure transformations and electrical properties of (Na_0.52K_0.4425)(Nb_0.8925Sb_0.07)O₃-0.0375LiTaO₃ ceramics according to sintering temperature