Article(id=1322943329876443578, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942495801356913, articleNumber=null, orderNo=null, doi=10.14062/j.issn.0454-5648.20200430, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1592323200000, receivedDateStr=2020-06-17, revisedDate=1596038400000, revisedDateStr=2020-07-30, acceptedDate=null, acceptedDateStr=null, onlineDate=1793343868940, onlineDateStr=2026-10-30, pubDate=1616169600000, pubDateStr=2021-03-20, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793343868940, onlineIssueDateStr=2026-10-30, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793343868940, creator=13701087609, updateTime=1793343868940, updator=13701087609, issue=Issue{id=1322942495801356913, tenantId=1146029695717560320, journalId=1263187385517883426, year='2021', volume='49', issue='3', pageStart='441', pageEnd='604', issueExtLink='null', onlineDate='null', pubDate='1616169600000', pubDateStr='2021-03-20', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793343670081, creator='13701087609', updateTime=1793345495044, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext={EN=IssueExt(id=1322950150322258738, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942495801356913, language=EN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=), CN=IssueExt(id=1322950150322258739, tenantId=1146029695717560320, journalId=1263187385517883426, issueId=1322942495801356913, language=CN, specialIssueTitle=, coverIllustrator=null, specialIssueEditor=, specialIssueAbout=)}, issueFiles=null, downloadFileDto=null}, startPage=441, endPage=447, ext={EN=ArticleExt(id=1322943331231203772, articleId=1322943329876443578, tenantId=1146029695717560320, journalId=1263187385517883426, language=EN, title=Effect of Co2+ Substitution on Microwave Dielectric Properties of Ca5Mg4-xCox(VO4)6 Ceramics, columnId=null, journalTitle=Journal of the Chinese Ceramic Society, columnName=null, runingTitle=null, highlight=null, articleAbstract=

Ca5Mg4(VO4)6 microwave dielectric ceramic was prepared by a solid-phase reaction method. Mg element in Ca5Mg4(VO4)6 ceramic was substituted by Co element in order to improve the microwave dielectric properties. The phase composition and microscopic morphology of the ceramics were determined by X-ray diffraction and scanning electron microscopy. Also, the internal laws of the microwave dielectric properties were analyzed via theoretical calculations, such as bond energy. The formation of solid solution after Co substitutioncan decrease the sintering temperature. The density dominates the change of εr at a higher relative density. However, εr is mainly affected by the ion polarizability per unit volume at a lower relative density. The grain size reduction caused by the substitution is beneficial to the promotion of the Q×f value. τf is closely related to the bond energy and changes with the bond energy of the V—O, which is the maximum bond energy in ceramics. Ca5Mg3Co(VO4)6 ceramic has the optimum microwave dielectric properties (i.e., εr=9.65, Q×f=54 685 GHz, and τf = -55.3×10-6℃-1).

, authors=Wei LIU1, Hansheng LENG1, Bo LI1, 2, 3, authorsList=Wei LIU, Hansheng LENG, Bo LI, authorCompany=null, correspAuthors=Bo LI, authorNote=

LIU Wei (1994-), male, Master candidate. E-mail:

, correspAuthorsNote=
LI Bo (1980-), 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=1322943333663900101, articleId=1322943329876443578, tenantId=1146029695717560320, journalId=1263187385517883426, language=CN, title=钴离子取代对Ca5Mg4-xCox(VO4)6陶瓷微波介电性能的影响, columnId=0, journalTitle=硅酸盐学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

采用固相反应法制备低温烧结Ca5Mg4(VO4)6微波介质陶瓷,研究了Co掺杂取代Mg对微波介电性能的影响。结果表明:Co取代后样品形成了固溶体,导致烧结温度降低。当相对密度较低时,致密度主导着εr的变化;当相对密度较高时,εr主要受单位体积离子极化率的影响。此外,Co取代使得晶粒尺寸减小,进而促进了Q×f值的提升。由于τf与键能有着密切的联系,而V—O键的键能最大,τf随着V—O键键能的变化而改变。Ca5Mg3Co(VO4)6具有最佳的微波介电性能:εr=9.65,Q×f=54 685 GHz,τf=-55.3×10-6℃-1。

, authors=刘伟1, 冷寒生1, 李波1, 2, 3, authorsList=刘伟, 冷寒生, 李波, authorCompany=null, correspAuthors=李波, authorNote=

刘伟(1994—),男,硕士研究生。

刘伟,电子科技大学材料科学与工程硕士研究生,研究方向为低温烧结微波介质陶瓷,研究内容包括微波介质陶瓷的材料设计、制备工艺以及掺杂改性,主要从微波介质陶瓷的微观结构变化入手,同时辅以化学键理论等微观机理,分析陶瓷微观结构的变化对微波介电性能的影响。

李波,电子科技大学电子科技与工程学院,教授,博士生导师。哈佛大学访问学者,中国电子学会高级会员。主要研究方向为微波陶瓷、微晶玻璃、纳米材料。先后主持国防基础科研重点项目、国防科工局重大项目、装发部预研项目,参与装发部应用开发、装发部重点基金和国家自然科学基金等多个应用基础研究项目。在国内外学术刊物上发表研究论文70余篇,申请国家发明专利20多项。

, correspAuthorsNote=
李波(1980—),男,教授。
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LIU Wei (1994-), male, Master candidate. E-mail:

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LIU Wei (1994-), male, Master candidate. E-mail:

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刘伟,电子科技大学材料科学与工程硕士研究生,研究方向为低温烧结微波介质陶瓷,研究内容包括微波介质陶瓷的材料设计、制备工艺以及掺杂改性,主要从微波介质陶瓷的微观结构变化入手,同时辅以化学键理论等微观机理,分析陶瓷微观结构的变化对微波介电性能的影响。

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李波,电子科技大学电子科技与工程学院,教授,博士生导师。哈佛大学访问学者,中国电子学会高级会员。主要研究方向为微波陶瓷、微晶玻璃、纳米材料。先后主持国防基础科研重点项目、国防科工局重大项目、装发部预研项目,参与装发部应用开发、装发部重点基金和国家自然科学基金等多个应用基础研究项目。在国内外学术刊物上发表研究论文70余篇,申请国家发明专利20多项。

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李波,电子科技大学电子科技与工程学院,教授,博士生导师。哈佛大学访问学者,中国电子学会高级会员。主要研究方向为微波陶瓷、微晶玻璃、纳米材料。先后主持国防基础科研重点项目、国防科工局重大项目、装发部预研项目,参与装发部应用开发、装发部重点基金和国家自然科学基金等多个应用基础研究项目。在国内外学术刊物上发表研究论文70余篇,申请国家发明专利20多项。

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钴离子取代对Ca5Mg4-xCox(VO4)6陶瓷微波介电性能的影响
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刘伟 1 , 冷寒生 1 , 李波 1, 2, 3
硅酸盐学报 | 2021,49(3): 441-447
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硅酸盐学报 | 2021 , 49 (3) : 441 -447
钴离子取代对Ca5Mg4-xCox(VO4)6陶瓷微波介电性能的影响
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LIU Wei (1994-), male, Master candidate. E-mail:

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刘伟,电子科技大学材料科学与工程硕士研究生,研究方向为低温烧结微波介质陶瓷,研究内容包括微波介质陶瓷的材料设计、制备工艺以及掺杂改性,主要从微波介质陶瓷的微观结构变化入手,同时辅以化学键理论等微观机理,分析陶瓷微观结构的变化对微波介电性能的影响。

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刘伟,电子科技大学材料科学与工程硕士研究生,研究方向为低温烧结微波介质陶瓷,研究内容包括微波介质陶瓷的材料设计、制备工艺以及掺杂改性,主要从微波介质陶瓷的微观结构变化入手,同时辅以化学键理论等微观机理,分析陶瓷微观结构的变化对微波介电性能的影响。

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李波,电子科技大学电子科技与工程学院,教授,博士生导师。哈佛大学访问学者,中国电子学会高级会员。主要研究方向为微波陶瓷、微晶玻璃、纳米材料。先后主持国防基础科研重点项目、国防科工局重大项目、装发部预研项目,参与装发部应用开发、装发部重点基金和国家自然科学基金等多个应用基础研究项目。在国内外学术刊物上发表研究论文70余篇,申请国家发明专利20多项。

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李波,电子科技大学电子科技与工程学院,教授,博士生导师。哈佛大学访问学者,中国电子学会高级会员。主要研究方向为微波陶瓷、微晶玻璃、纳米材料。先后主持国防基础科研重点项目、国防科工局重大项目、装发部预研项目,参与装发部应用开发、装发部重点基金和国家自然科学基金等多个应用基础研究项目。在国内外学术刊物上发表研究论文70余篇,申请国家发明专利20多项。

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刘伟1 , 冷寒生1, 李波1, 2, 3
作者信息
  • 1.电子科技大学电子科学与工程学院,成都 610054
  • 2.电子薄膜与集成器件国家重点实验室,成都 610054
  • 3.国家电磁辐射控制材料工程技术研究中心,成都 610054
通讯作者:
李波(1980—),男,教授。
作者简介:

刘伟(1994—),男,硕士研究生。

刘伟,电子科技大学材料科学与工程硕士研究生,研究方向为低温烧结微波介质陶瓷,研究内容包括微波介质陶瓷的材料设计、制备工艺以及掺杂改性,主要从微波介质陶瓷的微观结构变化入手,同时辅以化学键理论等微观机理,分析陶瓷微观结构的变化对微波介电性能的影响。

李波,电子科技大学电子科技与工程学院,教授,博士生导师。哈佛大学访问学者,中国电子学会高级会员。主要研究方向为微波陶瓷、微晶玻璃、纳米材料。先后主持国防基础科研重点项目、国防科工局重大项目、装发部预研项目,参与装发部应用开发、装发部重点基金和国家自然科学基金等多个应用基础研究项目。在国内外学术刊物上发表研究论文70余篇,申请国家发明专利20多项。

Effect of Co2+ Substitution on Microwave Dielectric Properties of Ca5Mg4-xCox(VO4)6 Ceramics
Wei LIU1 , Hansheng LENG1, Bo LI1, 2, 3
Affiliations
  • 1.School of Electronic Science and Engineering, University of Electronic Science and Technology of China, Chengdu 610054, China
  • 2.State Key Laboratory of Electronic Thin Films and Integrated Devices, Chengdu 610054, China
  • 3.National Engineering Research Center of Electromagnetic Radiation Control Materials, Chengdu 610054, China
  • Corresponding Author:
    LI Bo (1980-), male, Ph.D., Professor. E-mail:

    LIU Wei (1994-), male, Master candidate. E-mail:

出版时间: 2021-03-20 doi: 10.14062/j.issn.0454-5648.20200430
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采用固相反应法制备低温烧结Ca5Mg4(VO4)6微波介质陶瓷,研究了Co掺杂取代Mg对微波介电性能的影响。结果表明:Co取代后样品形成了固溶体,导致烧结温度降低。当相对密度较低时,致密度主导着εr的变化;当相对密度较高时,εr主要受单位体积离子极化率的影响。此外,Co取代使得晶粒尺寸减小,进而促进了Q×f值的提升。由于τf与键能有着密切的联系,而V—O键的键能最大,τf随着V—O键键能的变化而改变。Ca5Mg3Co(VO4)6具有最佳的微波介电性能:εr=9.65,Q×f=54 685 GHz,τf=-55.3×10-6℃-1。

微波介质陶瓷  /  钒酸镁钙  /  离子取代  /  介电性能

Ca5Mg4(VO4)6 microwave dielectric ceramic was prepared by a solid-phase reaction method. Mg element in Ca5Mg4(VO4)6 ceramic was substituted by Co element in order to improve the microwave dielectric properties. The phase composition and microscopic morphology of the ceramics were determined by X-ray diffraction and scanning electron microscopy. Also, the internal laws of the microwave dielectric properties were analyzed via theoretical calculations, such as bond energy. The formation of solid solution after Co substitutioncan decrease the sintering temperature. The density dominates the change of εr at a higher relative density. However, εr is mainly affected by the ion polarizability per unit volume at a lower relative density. The grain size reduction caused by the substitution is beneficial to the promotion of the Q×f value. τf is closely related to the bond energy and changes with the bond energy of the V—O, which is the maximum bond energy in ceramics. Ca5Mg3Co(VO4)6 ceramic has the optimum microwave dielectric properties (i.e., εr=9.65, Q×f=54 685 GHz, and τf = -55.3×10-6℃-1).

microwave dielectric ceramics  /  calcium magnesium vanadate  /  ions substitution  /  dielectic property
刘伟, 冷寒生, 李波. 钴离子取代对Ca5Mg4-xCox(VO4)6陶瓷微波介电性能的影响. 硅酸盐学报, 2021 , 49 (3) : 441 -447 . DOI: 10.14062/j.issn.0454-5648.20200430
Wei LIU, Hansheng LENG, Bo LI. Effect of Co2+ Substitution on Microwave Dielectric Properties of Ca5Mg4-xCox(VO4)6 Ceramics[J]. Journal of the Chinese Ceramic Society, 2021 , 49 (3) : 441 -447 . DOI: 10.14062/j.issn.0454-5648.20200430

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doi: 10.14062/j.issn.0454-5648.20200430
  • 接收时间:2020-06-17
  • 首发时间:2026-10-30
  • 出版时间:2021-03-20
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  • 收稿日期:2020-06-17
  • 修回日期:2020-07-30
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    1.电子科技大学电子科学与工程学院,成都 610054
    2.电子薄膜与集成器件国家重点实验室,成都 610054
    3.国家电磁辐射控制材料工程技术研究中心,成都 610054

通讯作者:

李波(1980—),男,教授。
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2种不同金属材料的力学参数
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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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