Aisyah Devita Mukhlishah, Thi Hinh Dinh, Hyoung-Su Han, Vu Diem Ngoc Tran, Vinh Van Le, Trang An Duong, Jae-Shin Lee
{"title":"CaTiO3、BaTiO3和BaZrO3对Bi1/2Na1/2TiO3–SrTiO3压电陶瓷晶体结构和电学性能的影响","authors":"Aisyah Devita Mukhlishah, Thi Hinh Dinh, Hyoung-Su Han, Vu Diem Ngoc Tran, Vinh Van Le, Trang An Duong, Jae-Shin Lee","doi":"10.1007/s10832-023-00326-w","DOIUrl":null,"url":null,"abstract":"<div><p>This study investigated the effects of CaTiO<sub>3</sub>, BaTiO<sub>3</sub>, and BaZrO<sub>3</sub> doping on the phase transition and strain properties of lead-free 0.76Bi<sub>1/2</sub>Na<sub>1/2</sub>TiO<sub>3</sub>-0.24SrTiO<sub>3</sub> (BNT-24ST) piezoceramics. The nonergodicity of the BNT-24ST ceramic was stabilized as a function of CaTiO<sub>3</sub> doping, corresponding to the existence of the ferroelectric-to-relaxor phase transition temperature <i>(T</i><sub>F-R</sub>) peak in the dielectric permittivity curves of the samples. However, the BaTiO<sub>3</sub>- or BaZrO<sub>3</sub>- doped NBT-24ST samples promote the transition from a nonergodic to an ergodic relaxor phase. The 0.01 mol BaTiO<sub>3</sub> or 0.01 mol BaZrO<sub>3</sub> doping decreases the<i> T</i><sub>F-R</sub> peak of the NBT-24ST sample to below room temperature. Interestingly, it is noted that the nonergodic-to-ergodic relaxor phase transition of the BaTiO<sub>3</sub>-doped BNT-24ST ceramics was faster than that of the BaZrO<sub>3</sub>-doped BNT-24ST ceramics. The 0.01 mol BaTiO<sub>3</sub>-doped BNT-24ST sample presents a maximum dielectric constant of ~ 8000. The maximum piezoelectric actuator coefficient (uni-<i>S</i><sub>max</sub>/<i>E</i><sub>max</sub>) of ~ 525 pm/V was observed for the 0.01 mol BaTiO<sub>3</sub>-doped BNT-24ST ceramic. The effect of the tolerance factor on the phase transition and electrical properties of the BNT-24ST-<i>AB</i>O<sub>3</sub> ceramics is suggested.</p></div>","PeriodicalId":625,"journal":{"name":"Journal of Electroceramics","volume":"51 3","pages":"192 - 198"},"PeriodicalIF":1.7000,"publicationDate":"2023-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Effects of CaTiO3, BaTiO3, and BaZrO3 on the crystal structures and electrical properties of Bi1/2Na1/2TiO3–SrTiO3 piezoelectric ceramics\",\"authors\":\"Aisyah Devita Mukhlishah, Thi Hinh Dinh, Hyoung-Su Han, Vu Diem Ngoc Tran, Vinh Van Le, Trang An Duong, Jae-Shin Lee\",\"doi\":\"10.1007/s10832-023-00326-w\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><p>This study investigated the effects of CaTiO<sub>3</sub>, BaTiO<sub>3</sub>, and BaZrO<sub>3</sub> doping on the phase transition and strain properties of lead-free 0.76Bi<sub>1/2</sub>Na<sub>1/2</sub>TiO<sub>3</sub>-0.24SrTiO<sub>3</sub> (BNT-24ST) piezoceramics. The nonergodicity of the BNT-24ST ceramic was stabilized as a function of CaTiO<sub>3</sub> doping, corresponding to the existence of the ferroelectric-to-relaxor phase transition temperature <i>(T</i><sub>F-R</sub>) peak in the dielectric permittivity curves of the samples. However, the BaTiO<sub>3</sub>- or BaZrO<sub>3</sub>- doped NBT-24ST samples promote the transition from a nonergodic to an ergodic relaxor phase. The 0.01 mol BaTiO<sub>3</sub> or 0.01 mol BaZrO<sub>3</sub> doping decreases the<i> T</i><sub>F-R</sub> peak of the NBT-24ST sample to below room temperature. Interestingly, it is noted that the nonergodic-to-ergodic relaxor phase transition of the BaTiO<sub>3</sub>-doped BNT-24ST ceramics was faster than that of the BaZrO<sub>3</sub>-doped BNT-24ST ceramics. The 0.01 mol BaTiO<sub>3</sub>-doped BNT-24ST sample presents a maximum dielectric constant of ~ 8000. The maximum piezoelectric actuator coefficient (uni-<i>S</i><sub>max</sub>/<i>E</i><sub>max</sub>) of ~ 525 pm/V was observed for the 0.01 mol BaTiO<sub>3</sub>-doped BNT-24ST ceramic. The effect of the tolerance factor on the phase transition and electrical properties of the BNT-24ST-<i>AB</i>O<sub>3</sub> ceramics is suggested.</p></div>\",\"PeriodicalId\":625,\"journal\":{\"name\":\"Journal of Electroceramics\",\"volume\":\"51 3\",\"pages\":\"192 - 198\"},\"PeriodicalIF\":1.7000,\"publicationDate\":\"2023-08-12\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Electroceramics\",\"FirstCategoryId\":\"88\",\"ListUrlMain\":\"https://link.springer.com/article/10.1007/s10832-023-00326-w\",\"RegionNum\":4,\"RegionCategory\":\"材料科学\",\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q2\",\"JCRName\":\"MATERIALS SCIENCE, CERAMICS\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Electroceramics","FirstCategoryId":"88","ListUrlMain":"https://link.springer.com/article/10.1007/s10832-023-00326-w","RegionNum":4,"RegionCategory":"材料科学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q2","JCRName":"MATERIALS SCIENCE, CERAMICS","Score":null,"Total":0}
Effects of CaTiO3, BaTiO3, and BaZrO3 on the crystal structures and electrical properties of Bi1/2Na1/2TiO3–SrTiO3 piezoelectric ceramics
This study investigated the effects of CaTiO3, BaTiO3, and BaZrO3 doping on the phase transition and strain properties of lead-free 0.76Bi1/2Na1/2TiO3-0.24SrTiO3 (BNT-24ST) piezoceramics. The nonergodicity of the BNT-24ST ceramic was stabilized as a function of CaTiO3 doping, corresponding to the existence of the ferroelectric-to-relaxor phase transition temperature (TF-R) peak in the dielectric permittivity curves of the samples. However, the BaTiO3- or BaZrO3- doped NBT-24ST samples promote the transition from a nonergodic to an ergodic relaxor phase. The 0.01 mol BaTiO3 or 0.01 mol BaZrO3 doping decreases the TF-R peak of the NBT-24ST sample to below room temperature. Interestingly, it is noted that the nonergodic-to-ergodic relaxor phase transition of the BaTiO3-doped BNT-24ST ceramics was faster than that of the BaZrO3-doped BNT-24ST ceramics. The 0.01 mol BaTiO3-doped BNT-24ST sample presents a maximum dielectric constant of ~ 8000. The maximum piezoelectric actuator coefficient (uni-Smax/Emax) of ~ 525 pm/V was observed for the 0.01 mol BaTiO3-doped BNT-24ST ceramic. The effect of the tolerance factor on the phase transition and electrical properties of the BNT-24ST-ABO3 ceramics is suggested.
期刊介绍：
While ceramics have traditionally been admired for their mechanical, chemical and thermal stability, their unique electrical, optical and magnetic properties have become of increasing importance in many key technologies including communications, energy conversion and storage, electronics and automation. Electroceramics benefit greatly from their versatility in properties including:
-insulating to metallic and fast ion conductivity
-piezo-, ferro-, and pyro-electricity
-electro- and nonlinear optical properties
-feromagnetism.
When combined with thermal, mechanical, and chemical stability, these properties often render them the materials of choice.
The Journal of Electroceramics is dedicated to providing a forum of discussion cutting across issues in electrical, optical, and magnetic ceramics. Driven by the need for miniaturization, cost, and enhanced functionality, the field of electroceramics is growing rapidly in many new directions. The Journal encourages discussions of resultant trends concerning silicon-electroceramic integration, nanotechnology, ceramic-polymer composites, grain boundary and defect engineering, etc.
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