Formation Process and Microwave Dielectric Properties of the R2V2O7 (R=Ba, Sr, and Ca) Ceramics
Formation process and microwave dielectric properties of the R2V2O7 (R=Ba, Sr, and Ca) ceramics were investigated. Transient RV2O6 phases, which were formed at 300°∼500°C by the reaction of RCO3 and V2O5, interacted with remnant RCO3 to form the homogeneous triclinic R2V2O7 phases at 600°–700°C. The...
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| Veröffentlicht in: | Journal of the American Ceramic Society 2009-12, Vol.92 (12), p.3092-3094 |
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| container_issue | 12 |
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| container_title | Journal of the American Ceramic Society |
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| creator | Joung, Mi-Ri Kim, Jin-Seong Song, Myung-Eun Nahm, Sahn Paik, Jong-Hoo |
| description | Formation process and microwave dielectric properties of the R2V2O7 (R=Ba, Sr, and Ca) ceramics were investigated. Transient RV2O6 phases, which were formed at 300°∼500°C by the reaction of RCO3 and V2O5, interacted with remnant RCO3 to form the homogeneous triclinic R2V2O7 phases at 600°–700°C. The Sr2V2O7 and Ca2V2O7 ceramics sintered at 1000° and 950°C, respectively, for 10 h showed a dense microstructure with the microwave dielectric properties of ɛr=10.4–12.1, Q×f=15 200–19 520 GHz, and τf=−30.9–34.8 ppm/°C. However, the Ba2V2O7 ceramic was well sintered at 900°C for 10 h and it showed the good microwave dielectric properties of ɛr=10.1, Q×f=51 630 GHz, and τf=−26.5 ppm/°C. |
| doi_str_mv | 10.1111/j.1551-2916.2009.03324.x |
| format | Article |
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Transient RV2O6 phases, which were formed at 300°∼500°C by the reaction of RCO3 and V2O5, interacted with remnant RCO3 to form the homogeneous triclinic R2V2O7 phases at 600°–700°C. The Sr2V2O7 and Ca2V2O7 ceramics sintered at 1000° and 950°C, respectively, for 10 h showed a dense microstructure with the microwave dielectric properties of ɛr=10.4–12.1, Q×f=15 200–19 520 GHz, and τf=−30.9–34.8 ppm/°C. However, the Ba2V2O7 ceramic was well sintered at 900°C for 10 h and it showed the good microwave dielectric properties of ɛr=10.1, Q×f=51 630 GHz, and τf=−26.5 ppm/°C.</description><identifier>ISSN: 0002-7820</identifier><identifier>EISSN: 1551-2916</identifier><identifier>DOI: 10.1111/j.1551-2916.2009.03324.x</identifier><language>eng</language><publisher>Malden, USA: Blackwell Publishing Inc</publisher><subject>Ceramics ; Dielectric properties ; Microstructure ; Microwaves ; Phases ; Sintering ; Strontium ; Vanadium pentoxide</subject><ispartof>Journal of the American Ceramic Society, 2009-12, Vol.92 (12), p.3092-3094</ispartof><rights>2009 The American Ceramic Society</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1111%2Fj.1551-2916.2009.03324.x$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1111%2Fj.1551-2916.2009.03324.x$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,776,780,1411,27901,27902,45550,45551</link.rule.ids></links><search><creatorcontrib>Joung, Mi-Ri</creatorcontrib><creatorcontrib>Kim, Jin-Seong</creatorcontrib><creatorcontrib>Song, Myung-Eun</creatorcontrib><creatorcontrib>Nahm, Sahn</creatorcontrib><creatorcontrib>Paik, Jong-Hoo</creatorcontrib><title>Formation Process and Microwave Dielectric Properties of the R2V2O7 (R=Ba, Sr, and Ca) Ceramics</title><title>Journal of the American Ceramic Society</title><description>Formation process and microwave dielectric properties of the R2V2O7 (R=Ba, Sr, and Ca) ceramics were investigated. Transient RV2O6 phases, which were formed at 300°∼500°C by the reaction of RCO3 and V2O5, interacted with remnant RCO3 to form the homogeneous triclinic R2V2O7 phases at 600°–700°C. The Sr2V2O7 and Ca2V2O7 ceramics sintered at 1000° and 950°C, respectively, for 10 h showed a dense microstructure with the microwave dielectric properties of ɛr=10.4–12.1, Q×f=15 200–19 520 GHz, and τf=−30.9–34.8 ppm/°C. However, the Ba2V2O7 ceramic was well sintered at 900°C for 10 h and it showed the good microwave dielectric properties of ɛr=10.1, Q×f=51 630 GHz, and τf=−26.5 ppm/°C.</description><subject>Ceramics</subject><subject>Dielectric properties</subject><subject>Microstructure</subject><subject>Microwaves</subject><subject>Phases</subject><subject>Sintering</subject><subject>Strontium</subject><subject>Vanadium pentoxide</subject><issn>0002-7820</issn><issn>1551-2916</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNo9kMtOwzAQRS0EEqXwD94BUhNsJ47jBUIlPMqrhfJajkzsCpekKXYK5e9JWsRsZq7mzpXmIIQpCWlTR9OQck4DJmkSMkJkSKKIxeFyA3X-F5uoQwhhgUgZ2UY73k8bSWUadxBcVK5Uta1m-N5VufEeq5nGdzZ31bf6MvjMmsLktbN5a5gbV1vjcTXB9bvBY_bCRgIfjI9PVQ8_ut7qOFOHODNOlTb3u2hrogpv9v56Fz1fnD9lg-B2dHmV9W8DyyiNA64jyqUyWqZacZ0kpFFpkmgqmZaS67c0l7GkE_0mqBacSSkYy2nzMBUsoVEX7a9z5676XBhfQ2l9bopCzUy18CB4JCIuJWucJ2vnty3MD8ydLZX7AUqg5QlTaLFBiw1anrDiCUu47mfnq7lJCNYJ1tdm-Z-g3AckIhIcXoeXkA7imxf2MIZh9AuBFHes</recordid><startdate>200912</startdate><enddate>200912</enddate><creator>Joung, Mi-Ri</creator><creator>Kim, Jin-Seong</creator><creator>Song, Myung-Eun</creator><creator>Nahm, Sahn</creator><creator>Paik, Jong-Hoo</creator><general>Blackwell Publishing Inc</general><scope>BSCLL</scope><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>200912</creationdate><title>Formation Process and Microwave Dielectric Properties of the R2V2O7 (R=Ba, Sr, and Ca) Ceramics</title><author>Joung, Mi-Ri ; Kim, Jin-Seong ; Song, Myung-Eun ; Nahm, Sahn ; Paik, Jong-Hoo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-i2114-5d3159aed98da5d66059a866d192d995db8c9491fdb71d75299722c1009172613</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Ceramics</topic><topic>Dielectric properties</topic><topic>Microstructure</topic><topic>Microwaves</topic><topic>Phases</topic><topic>Sintering</topic><topic>Strontium</topic><topic>Vanadium pentoxide</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Joung, Mi-Ri</creatorcontrib><creatorcontrib>Kim, Jin-Seong</creatorcontrib><creatorcontrib>Song, Myung-Eun</creatorcontrib><creatorcontrib>Nahm, Sahn</creatorcontrib><creatorcontrib>Paik, Jong-Hoo</creatorcontrib><collection>Istex</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of the American Ceramic Society</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Joung, Mi-Ri</au><au>Kim, Jin-Seong</au><au>Song, Myung-Eun</au><au>Nahm, Sahn</au><au>Paik, Jong-Hoo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Formation Process and Microwave Dielectric Properties of the R2V2O7 (R=Ba, Sr, and Ca) Ceramics</atitle><jtitle>Journal of the American Ceramic Society</jtitle><date>2009-12</date><risdate>2009</risdate><volume>92</volume><issue>12</issue><spage>3092</spage><epage>3094</epage><pages>3092-3094</pages><issn>0002-7820</issn><eissn>1551-2916</eissn><abstract>Formation process and microwave dielectric properties of the R2V2O7 (R=Ba, Sr, and Ca) ceramics were investigated. Transient RV2O6 phases, which were formed at 300°∼500°C by the reaction of RCO3 and V2O5, interacted with remnant RCO3 to form the homogeneous triclinic R2V2O7 phases at 600°–700°C. The Sr2V2O7 and Ca2V2O7 ceramics sintered at 1000° and 950°C, respectively, for 10 h showed a dense microstructure with the microwave dielectric properties of ɛr=10.4–12.1, Q×f=15 200–19 520 GHz, and τf=−30.9–34.8 ppm/°C. However, the Ba2V2O7 ceramic was well sintered at 900°C for 10 h and it showed the good microwave dielectric properties of ɛr=10.1, Q×f=51 630 GHz, and τf=−26.5 ppm/°C.</abstract><cop>Malden, USA</cop><pub>Blackwell Publishing Inc</pub><doi>10.1111/j.1551-2916.2009.03324.x</doi><tpages>3</tpages></addata></record> |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Ceramics Dielectric properties Microstructure Microwaves Phases Sintering Strontium Vanadium pentoxide |
| title | Formation Process and Microwave Dielectric Properties of the R2V2O7 (R=Ba, Sr, and Ca) Ceramics |
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