Article(id=1322943629823706025, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942545734546372, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20200827, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1604332800000, receivedDateStr=2020-11-03, revisedDate=1610121600000, revisedDateStr=2021-01-09, acceptedDate=null, acceptedDateStr=null, onlineDate=1793343940453, onlineDateStr=2026-10-30, pubDate=1618848000000, pubDateStr=2021-04-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343940453, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343940453, creator=13701087609, updateTime=1793343940453, updator=13701087609, issue=Issue{id=1322942545734546372, tenantId=1146029695717560320, journalId=1263187385517883426, year='2021', volume='49', issue='4', pageStart='605', pageEnd='806', issueExtLink='null', onlineDate='null', pubDate='1618848000000', pubDateStr='2021-04-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793343681986, creator='13701087609', updateTime=1793345524324, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322950273110508350, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942545734546372, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322950273110508351, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942545734546372, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=648, endPage=658, ext={EN=ArticleExt(id=1322943631136523179, articleId=1322943629823706025, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Influence of La3+ Doping on Structure and Electrical Properties of CaBi2Nb2O9 Piezoceramics, columnId=null, journalTitle=Journal of the Chinese Ceramic Society, columnName=null, runingTitle=null, highlight=null, articleAbstract=

La3+-doped Ca1-xLaxBi2Nb2O9(CBN-xLa, x=0.00, 0.02, 0.04, 0.06, 0.08, 0.10) piezoceramics were synthesized by a solid-state reaction method. The crystal structure, microstructure, dielectric, piezoelectric and ferroelectric properties as well as high-temperature conductive mechanism of La3+-doped CBN ceramics were investigated. The results show that an appropriate amount of La3+ donor ion substituted for Ca2+ ion can optimize the crystal structure, decrease the grain size, reduce the oxygen vacancy, and effectively improve the electrical properties of CBN ceramics. The Ca0.92La0.08Bi2Nb2O9 ceramics with the optimal performance (high piezoelectric coefficient (d33=11.7 pC/N) and the Curie temperature (TC=905℃), remanent polarization (2Pr=9.51 μC/cm2) and low dielectric loss, (tanδ=3.87% at 550℃)). After annealing, the piezoelectric properties of all the samples remain stable at 800℃. According to the complex impedance plots, the grain boundary and grain both contribute the impedance, and the conduction mechanism is closely related to oxygen vacancies. Moreover, La3+-doping can effectively improve the resistivity of CBN ceramics at high temperatures, indicating a potential application in high-temperature sensors.

, authors=Liwei HUANG, Xiangping JIANG, Chao CHEN, Xiaokun HUANG, Xin NIE, Jingdong XU, Hepeng WANG, Zeyun JIANG, authorsList=Liwei HUANG, Xiangping JIANG, Chao CHEN, Xiaokun HUANG, Xin NIE, Jingdong XU, Hepeng WANG, Zeyun JIANG, authorCompany=null, correspAuthors=Xiangping JIANG, authorNote=

HUANG Liwei (1994-), male, Master candidate. E-mail:

, correspAuthorsNote=
JIANG Xiangping (1964-), male, Ph.D., Professor.. E-mail:
, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1322943631866332076, articleId=1322943629823706025, tenantId=1146029695717560320, journalId=1263187385517883426, language=CN, title=La3+掺杂对CaBi2Nb2O9压电陶瓷结构与电学性能的影响, columnId=0, journalTitle=硅酸盐学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

采用传统固相法制备Ca1-xLaxBi2Nb2O9(CBN-xLa,x=0.00,0.02,0.04,0.06,0.08,0.10)陶瓷,研究了La3+掺杂对CaBi2Nb2O9陶瓷的晶体结构、微观形貌、介电性能、压电及铁电性能以及高温导电机制的影响。结果表明,适量的La3+取代Ca2+优化了晶体结构,细化晶粒,通过施主掺杂降低了氧空位,有效地改善了CaBi2Nb2O9陶瓷的电性能。其中Ca0.92La0.08Bi2Nb2O9是最优组分,获得压电性能d33、Curie温度TC和剩余极化强度2Pr分别为11.7 pC/N、905℃和9.51 μC/cm2,并且在550℃条件下的tanδ为3.87%,退火处理后,所有组分样品在800℃条件下均保持较稳定压电性能。复阻抗谱表明阻抗是由晶粒晶界共同作用,导电机制与氧空位有密切关系,且La3+能有效提高高温电阻率,使得其在高温传感器中具有应用潜力。

, authors=黄立伟, 江向平, 陈超, 黄枭坤, 聂鑫, 许经东, 王和鹏, 蒋泽云, authorsList=黄立伟, 江向平, 陈超, 黄枭坤, 聂鑫, 许经东, 王和鹏, 蒋泽云, authorCompany=null, correspAuthors=江向平, authorNote=

黄立伟(1994—),男,硕士研究生。

, correspAuthorsNote=
江向平(1964—),博士,教授。
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La3+掺杂对CaBi2Nb2O9压电陶瓷结构与电学性能的影响
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黄立伟 , 江向平 , 陈超 , 黄枭坤 , 聂鑫 , 许经东 , 王和鹏 , 蒋泽云
硅酸盐学报 | 2021,49(4): 648-658
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硅酸盐学报 | 2021 , 49 (4) : 648 -658
La3+掺杂对CaBi2Nb2O9压电陶瓷结构与电学性能的影响
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黄立伟 , 江向平 , 陈超, 黄枭坤, 聂鑫, 许经东, 王和鹏, 蒋泽云
作者信息
  • 景德镇陶瓷大学材料科学与工程学院江西省先进陶瓷材料重点实验室,景德镇 333001
通讯作者:
江向平(1964—),博士,教授。
作者简介:

黄立伟(1994—),男,硕士研究生。

Influence of La3+ Doping on Structure and Electrical Properties of CaBi2Nb2O9 Piezoceramics
Liwei HUANG , Xiangping JIANG , Chao CHEN, Xiaokun HUANG, Xin NIE, Jingdong XU, Hepeng WANG, Zeyun JIANG
Affiliations
  • Jiangxi Key Laboratory of Advanced Ceramic Materials, Department of Material Science and Engineering, Jingdezhen Ceramic Institude, Jingdezhen 333001, Jiangxi, China
  • Corresponding Author:
    JIANG Xiangping (1964-), male, Ph.D., Professor.. E-mail:

    HUANG Liwei (1994-), male, Master candidate. E-mail:

出版时间: 2021-04-20 doi: 10.14062/j.issn.0454-5648.20200827
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采用传统固相法制备Ca1-xLaxBi2Nb2O9(CBN-xLa,x=0.00,0.02,0.04,0.06,0.08,0.10)陶瓷,研究了La3+掺杂对CaBi2Nb2O9陶瓷的晶体结构、微观形貌、介电性能、压电及铁电性能以及高温导电机制的影响。结果表明,适量的La3+取代Ca2+优化了晶体结构,细化晶粒,通过施主掺杂降低了氧空位,有效地改善了CaBi2Nb2O9陶瓷的电性能。其中Ca0.92La0.08Bi2Nb2O9是最优组分,获得压电性能d33、Curie温度TC和剩余极化强度2Pr分别为11.7 pC/N、905℃和9.51 μC/cm2,并且在550℃条件下的tanδ为3.87%,退火处理后,所有组分样品在800℃条件下均保持较稳定压电性能。复阻抗谱表明阻抗是由晶粒晶界共同作用,导电机制与氧空位有密切关系,且La3+能有效提高高温电阻率,使得其在高温传感器中具有应用潜力。

压电陶瓷  /  微观结构  /  介电性能  /  铁电性能  /  导电机制  /  铌酸铋钙

La3+-doped Ca1-xLaxBi2Nb2O9(CBN-xLa, x=0.00, 0.02, 0.04, 0.06, 0.08, 0.10) piezoceramics were synthesized by a solid-state reaction method. The crystal structure, microstructure, dielectric, piezoelectric and ferroelectric properties as well as high-temperature conductive mechanism of La3+-doped CBN ceramics were investigated. The results show that an appropriate amount of La3+ donor ion substituted for Ca2+ ion can optimize the crystal structure, decrease the grain size, reduce the oxygen vacancy, and effectively improve the electrical properties of CBN ceramics. The Ca0.92La0.08Bi2Nb2O9 ceramics with the optimal performance (high piezoelectric coefficient (d33=11.7 pC/N) and the Curie temperature (TC=905℃), remanent polarization (2Pr=9.51 μC/cm2) and low dielectric loss, (tanδ=3.87% at 550℃)). After annealing, the piezoelectric properties of all the samples remain stable at 800℃. According to the complex impedance plots, the grain boundary and grain both contribute the impedance, and the conduction mechanism is closely related to oxygen vacancies. Moreover, La3+-doping can effectively improve the resistivity of CBN ceramics at high temperatures, indicating a potential application in high-temperature sensors.

piezoceramics  /  microstructure  /  dielectric properties  /  ferroelectric properties  /  conductive mechanism  /  CaBi2Nb2O9
黄立伟, 江向平, 陈超, 黄枭坤, 聂鑫, 许经东, 王和鹏, 蒋泽云. La3+掺杂对CaBi2Nb2O9压电陶瓷结构与电学性能的影响. 硅酸盐学报, 2021 , 49 (4) : 648 -658 . DOI: 10.14062/j.issn.0454-5648.20200827
Liwei HUANG, Xiangping JIANG, Chao CHEN, Xiaokun HUANG, Xin NIE, Jingdong XU, Hepeng WANG, Zeyun JIANG. Influence of La3+ Doping on Structure and Electrical Properties of CaBi2Nb2O9 Piezoceramics[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (4) : 648 -658 . DOI: 10.14062/j.issn.0454-5648.20200827
  • 国家自然科学基金重点项目(51762024)
  • 江西省自然科学基金项目(20192BAB206008; 20192BAB212002)
  • 江西省教育厅项目(GJJ190699)
  • 江西省中央引导地方科技发展专项资金项目(2020ZDI03004)
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2021年第49卷第4期
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doi: 10.14062/j.issn.0454-5648.20200827
  • 接收时间:2020-11-03
  • 首发时间:2026-10-30
  • 出版时间:2021-04-20
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  • 收稿日期:2020-11-03
  • 修回日期:2021-01-09
基金
国家自然科学基金重点项目(51762024)
江西省自然科学基金项目(20192BAB206008; 20192BAB212002)
江西省教育厅项目(GJJ190699)
江西省中央引导地方科技发展专项资金项目(2020ZDI03004)
作者信息
    景德镇陶瓷大学材料科学与工程学院江西省先进陶瓷材料重点实验室,景德镇 333001

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江向平(1964—),博士,教授。
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https://castjournals.cast.org.cn/joweb/gsyxb/CN/10.14062/j.issn.0454-5648.20200827
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2种不同金属材料的力学参数
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属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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