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Article(id=1319222652955377957, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222618356559896, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20220518, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1656345600000, receivedDateStr=2022-06-28, revisedDate=1664121600000, revisedDateStr=2022-09-26, acceptedDate=null, acceptedDateStr=null, onlineDate=1792456790435, onlineDateStr=2026-10-20, pubDate=1681920000000, pubDateStr=2023-04-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1792456790435, onlineIssueDateStr=2026-10-20, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1792456790435, creator=13701087609, updateTime=1792456790435, updator=13701087609, issue=Issue{id=1319222618356559896, tenantId=1146029695717560320, journalId=1263187385517883426, year='2023', volume='51', issue='4', pageStart='831', pageEnd='1090', issueExtLink='null', onlineDate='null', pubDate='1681920000000', pubDateStr='2023-04-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=0, createTime=1792456782187, creator='13701087609', updateTime=1792456947953, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1319223313692472320, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222618356559896, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1319223313692472321, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1319222618356559896, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=851, endPage=858, ext={EN=ArticleExt(id=1319222653169287462, articleId=1319222652955377957, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Effect of CaTiO3 Addition on Properties of MgNb2O6 Microwave Dielectric Ceramics, columnId=1321891335796281568, journalTitle=Journal of the Chinese Ceramic Society, columnName=Special Issue on 5G/6G Materials—Research Articles, runingTitle=null, highlight=null, articleAbstract=

To meet the requirements of high-frequency wireless communication, microwave dielectric ceramics of (1-x)MgNb2O6-xCaTiO3 (x=0, 0.02, 0.04, 0.08, 0.12, and 0.16) with a near-zero temperature coefficient were prepared by a solid-state method. The effect of CaTiO3 addition on the microstructure and dielectric properties of MgNb2O6 was investigated, and the formation and sintering behavior of each phase were analyzed. The results show that a proper addition of CaTiO3 can promote the sintering of MgNb2O6 and reduce its sintering temperature. Based on the X-ray diffraction analysis, CaTiO3 can react with MgNb2O6 to form CaNb2O6, Ti8O15, and Ti2Nb10O29 at a high temperature. Increasing the proportion of CaTiO3 reduces the quality factor Q×f, but increases the dielectric constant εr and frequency temperature coefficient τf. When the addition amount (x) of CaTiO3 is 0.16, the sample has the optimum microwave dielectric properties after sintering at 1 250 ℃ for 4 h (i.e., εr=21.6, Q×f =86 601 GHz, and τf = -7.3×10-6/℃).

, authors=Jiajun HUANG1, 2, 3, Yueming LI1, 2, 3, Yi SUN1, 2, 3, Kai LI1, 2, 3, Zhumei WANG1, 2, 3, authorsList=Jiajun HUANG, Yueming LI, Yi SUN, Kai LI, Zhumei WANG, authorCompany=null, correspAuthors=Yueming LI, authorNote=

HUANG Jiajun (1996-), male, Master candidate. E-mail:

, correspAuthorsNote=
LI Yueming (1965-), male, Ph.D., Professor. E-mail:
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为了更好的满足无线通讯高频化的要求，采用固相法制备了温度系数近零的（1-x）MgNb2O6-xCaTiO3（x=0，0.02，0.04，0.08，0.12，0.16）微波介质陶瓷。研究了CaTiO3的加入量对MgNb2O6微观结构和介电性能的影响，探究各物相的形成和烧结行为。结果表明：适当的CaTiO3加入量能够促进MgNb2O6的烧结，降低了烧结温度。通过X射线衍射分析，CaTiO3与MgNb2O6在高温时会反应生成CaNb2O6和Ti8O15、Ti2Nb10O29。增加CaTiO3的加入量，会降低陶瓷的品质因数Q×f，但同时会提高其介电常数εr和频率温度系数τf。当CaTiO3的添加量x=0.16时，样品在1250 ℃烧结4 h后具有最佳的微波介电性能：εr=21.6，Q×f=86601 GHz，τf=-7.3×10-6/℃。

, authors=黄家俊1, 2, 3, 李月明1, 2, 3, 孙熠1, 2, 3, 李恺1, 2, 3, 王竹梅1, 2, 3, authorsList=黄家俊, 李月明, 孙熠, 李恺, 王竹梅, authorCompany=null, correspAuthors=李月明, authorNote=

黄家俊（1996—），男，硕士研究生。

, correspAuthorsNote=
李月明（1965—），男，博士，教授。
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HUANG Jiajun (1996-), male, Master candidate. E-mail:

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HUANG Jiajun (1996-), male, Master candidate. E-mail:

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CaTiO3添加对MgNb2O6微波介质陶瓷性能的影响
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黄家俊 1, 2, 3 , 李月明 1, 2, 3 , 孙熠 1, 2, 3 , 李恺 1, 2, 3 , 王竹梅 1, 2, 3
硅酸盐学报 | 5G/6G材料专题—研究论文 2023,51(4): 851-858
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硅酸盐学报 |5G/6G材料专题—研究论文 2023 , 51 (4) : 851 -858
CaTiO3添加对MgNb2O6微波介质陶瓷性能的影响
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黄家俊1, 2, 3 , 李月明1, 2, 3 , 孙熠1, 2, 3, 李恺1, 2, 3, 王竹梅1, 2, 3
作者信息
  • 1．景德镇陶瓷大学材料科学与工程学院，江西 景德镇 333403
  • 2．中国轻工业功能陶瓷材料重点实验室，江西 景德镇 333403
  • 3．江西省能量存储与转换陶瓷材料工程实验室，江西 景德镇 333403
通讯作者:
李月明（1965—），男，博士，教授。
作者简介:

黄家俊（1996—），男，硕士研究生。

Effect of CaTiO3 Addition on Properties of MgNb2O6 Microwave Dielectric Ceramics
Jiajun HUANG1, 2, 3 , Yueming LI1, 2, 3 , Yi SUN1, 2, 3, Kai LI1, 2, 3, Zhumei WANG1, 2, 3
Affiliations
  • 1.School of Materials Science and Engineering, Jingdezhen Ceramic Institute, Jingdezhen 333403, Jiangxi, China
  • 2.China National Light Industry Key Laboratory of Functional Ceramic Materials, Jingdezhen 333403, Jiangxi, China
  • 3.Energy Storage and Conversion Ceramic Materials Engineering Laboratory of Jiangxi Province, Jingdezhen 333403, Jiangxi, China
    • Corresponding Author:
    LI Yueming (1965-), male, Ph.D., Professor. E-mail:

    HUANG Jiajun (1996-), male, Master candidate. E-mail:

出版时间: 2023-04-20 doi: 10.14062/j.issn.0454-5648.20220518
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为了更好的满足无线通讯高频化的要求，采用固相法制备了温度系数近零的（1-x）MgNb2O6-xCaTiO3（x=0，0.02，0.04，0.08，0.12，0.16）微波介质陶瓷。研究了CaTiO3的加入量对MgNb2O6微观结构和介电性能的影响，探究各物相的形成和烧结行为。结果表明：适当的CaTiO3加入量能够促进MgNb2O6的烧结，降低了烧结温度。通过X射线衍射分析，CaTiO3与MgNb2O6在高温时会反应生成CaNb2O6和Ti8O15、Ti2Nb10O29。增加CaTiO3的加入量，会降低陶瓷的品质因数Q×f，但同时会提高其介电常数εr和频率温度系数τf。当CaTiO3的添加量x=0.16时，样品在1250 ℃烧结4 h后具有最佳的微波介电性能：εr=21.6，Q×f=86601 GHz，τf=-7.3×10-6/℃。

微波介质陶瓷  /  正温度系数材料  /  温度频率系数  /  微波介电性能

To meet the requirements of high-frequency wireless communication, microwave dielectric ceramics of (1-x)MgNb2O6-xCaTiO3 (x=0, 0.02, 0.04, 0.08, 0.12, and 0.16) with a near-zero temperature coefficient were prepared by a solid-state method. The effect of CaTiO3 addition on the microstructure and dielectric properties of MgNb2O6 was investigated, and the formation and sintering behavior of each phase were analyzed. The results show that a proper addition of CaTiO3 can promote the sintering of MgNb2O6 and reduce its sintering temperature. Based on the X-ray diffraction analysis, CaTiO3 can react with MgNb2O6 to form CaNb2O6, Ti8O15, and Ti2Nb10O29 at a high temperature. Increasing the proportion of CaTiO3 reduces the quality factor Q×f, but increases the dielectric constant εr and frequency temperature coefficient τf. When the addition amount (x) of CaTiO3 is 0.16, the sample has the optimum microwave dielectric properties after sintering at 1 250 ℃ for 4 h (i.e., εr=21.6, Q×f =86 601 GHz, and τf = -7.3×10-6/℃).

microwave dielectric ceramics  /  positive temperature coefficient material  /  temperature coefficient  /  microwave dielectric properties
黄家俊, 李月明, 孙熠, 李恺, 王竹梅. CaTiO3添加对MgNb2O6微波介质陶瓷性能的影响. 硅酸盐学报, 2023 , 51 (4) : 851 -858 . DOI: 10.14062/j.issn.0454-5648.20220518
Jiajun HUANG, Yueming LI, Yi SUN, Kai LI, Zhumei WANG. Effect of CaTiO3 Addition on Properties of MgNb2O6 Microwave Dielectric Ceramics[J]. Journal of the Chinese Ceramic Society, 2023 , 51 (4) : 851 -858 . DOI: 10.14062/j.issn.0454-5648.20220518
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  • 江西省“赣鄱英才555工程”领军人才计划
  • 景德镇市优势科技创新团队计划
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doi: 10.14062/j.issn.0454-5648.20220518
  • 接收时间：2022-06-28
  • 首发时间：2026-10-20
  • 出版时间：2023-04-20
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  • 收稿日期：2022-06-28
  • 修回日期：2022-09-26
基金
江西省“赣鄱英才555工程”领军人才计划
景德镇市优势科技创新团队计划
作者信息
    1．景德镇陶瓷大学材料科学与工程学院，江西 景德镇 333403
    2．中国轻工业功能陶瓷材料重点实验室，江西 景德镇 333403
    3．江西省能量存储与转换陶瓷材料工程实验室，江西 景德镇 333403

通讯作者:

李月明（1965—），男，博士，教授。
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