Nb - 5+取代对固态燃烧技术合成SBNLT陶瓷相形成、微观结构和电性能的影响

IF 0.7 4区工程技术 Q4 ENGINEERING, ELECTRICAL & ELECTRONIC

Integrated Ferroelectrics Pub Date : 2023-09-29 DOI:10.1080/10584587.2023.2234565

Widchaya Somsri, Autpinya Lucha, Pathit Premwichit, Thanya Udeye, Theerachai Bongkarn

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引用次数: 0

摘要

摘要:研究了固体燃烧法制备的Sr0.3(Bi0.70Na0.67Li0.03)0.5(Ti1-xNbx)O3: SBNLT-Nbx无铅陶瓷的相形成、微观结构和电学性能。分别对不同铌含量x = 0、0.01、0.03和0.05的SBNLT-Nbx陶瓷在750℃下煅烧，在1175℃下烧结2 h。SBNLT-Nbx煅烧粉末呈钙钛矿结构，Nb5+含量分别为0.03和0.05 mol%，存在二次相NbO2。所有的SBNLT-Nbx陶瓷均表现为纯钙钛矿相，并伴有菱形和四方相共存。晶粒尺寸在1.17 ~ 1.34µm之间。随着x含量的增加，εmax和tan δmax有减小的趋势。当x = 0.01时，在70 kV/cm的电场条件下，铁电性能和储能性能最佳(Pmax = 27.45µC/cm2, Pr = 1.92µC/cm2, Wtotal = 0.958 J/cm3, Wrec = 0.739 J/cm3, Wloss = 0.219 J/cm3， η = 77.1%)。关键词:sbnltv电介质铁电储能燃烧技术披露声明作者未报告潜在利益冲突。本研究由河南大学资助(R2566C005)。作者感谢Naresuan大学理学院物理系的支持设施，以及俄勒冈州立大学David P. Cann教授在极化电场(P-E)磁滞回线测量方面的帮助。同时感谢Kyle V. Lopin博士助理教授对本文的编辑工作的帮助。

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Influence of Nb ⁵⁺ Substitution on the Phase Formation, Microstructure and Electrical Properties of SBNLT Ceramics Synthesized via the Solid-State Combustion Technique

AbstractIn this study, the phase formation, microstructure, and electrical properties of Sr0.3(Bi0.70Na0.67Li0.03)0.5(Ti1-xNbx)O3: SBNLT-Nbx lead-free ceramics synthesized via the solid state combustion technique were examined. SBNLT-Nbx ceramics with various Nb content of x = 0, 0.01, 0.03, and 0.05 were calcined at 750 °C and sintered at 1175 °C for 2 h, respectively. The SBNLT-Nbx calcined powders showed a perovskite structure and a secondary NbO2 phase was observed with Nb5+ content of 0.03 and 0.05 mol%. All SBNLT-Nbx ceramics exhibited a pure perovskite phase with coexisting rhombohedral and tetragonal phases. The grain size was in the range of 1.17-1.34 µm. The εmax and tan δmax tended to decrease with increased x content. The best ferroelectric and energy storage properties (Pmax = 27.45 µC/cm2, Pr = 1.92 µC/cm2 and Wtotal = 0.958 J/cm3, Wrec = 0.739 J/cm3, Wloss = 0.219 J/cm3, η = 77.1%), measured under an electric field of 70 kV/cm, were observed at x = 0.01.Keywords: SBNLTdielectricferroelectricenergy storagecombustion technique Disclosure StatementNo potential conflict of interest was reported by the author(s).Additional informationFundingThis work was supported by Naresuan University (R2566C005). The authors thank the Department of Physics, Faculty of Science, Naresuan University for their supporting facilities and and Prof. Dr. David P. Cann, Oregon State University, for his assistance with polarization-electric field (P-E) hysteresis loop measurements. Thanks are also given to Asst. Prof. Dr. Kyle V. Lopin for his help in editing the manuscript.

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来源期刊

Integrated Ferroelectrics 工程技术-工程：电子与电气

CiteScore

1.40

自引率

0.00%

发文量

179

审稿时长

3 months

期刊介绍： Integrated Ferroelectrics provides an international, interdisciplinary forum for electronic engineers and physicists as well as process and systems engineers, ceramicists, and chemists who are involved in research, design, development, manufacturing and utilization of integrated ferroelectric devices. Such devices unite ferroelectric films and semiconductor integrated circuit chips. The result is a new family of electronic devices, which combine the unique nonvolatile memory, pyroelectric, piezoelectric, photorefractive, radiation-hard, acoustic and/or dielectric properties of ferroelectric materials with the dynamic memory, logic and/or amplification properties and miniaturization and low-cost advantages of semiconductor i.c. technology.