Microwave dielectric properties of Ba(Co0.47+xY0.04Zn0.35)1/3Nb2/3–0.05O3 (x = 0–0.13) ceramics
The sintering behaviors and microwave dielectric properties of Ba(Co0.47+xY0.04Zn0.35)1/3Nb2/3–0.05O3 (x = 0–0.13) ceramics were investigated in this paper. The XRD results showed all samples exhibited the main phase Ba(Co1/3Nb2/3)O3–Ba(Zn1/3Nb2/3)O3 (BCZN) and a certain amount of secondary phase Ba...
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| Veröffentlicht in: | Journal of the Ceramic Society of Japan 2015/05/01, Vol.123(1437), pp.399-404 |
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| creator | TANG, Bin FANG, Zi-Xuan CHEN, He-tuo ZHANG, Xiao ZHANG, Shu-ren |
| description | The sintering behaviors and microwave dielectric properties of Ba(Co0.47+xY0.04Zn0.35)1/3Nb2/3–0.05O3 (x = 0–0.13) ceramics were investigated in this paper. The XRD results showed all samples exhibited the main phase Ba(Co1/3Nb2/3)O3–Ba(Zn1/3Nb2/3)O3 (BCZN) and a certain amount of secondary phase Ba5Nb4O15. SEM revealed that the microstructure was homogeneous fine grained when x equaled to 0.13. The Co deficiency was found unfavorable to improve the microwave dielectric properties of BCZN ceramics and showed remarkable influence on crystal phases and microstructures. The relatively optimized microwave dielectric properties could be obtained when Co was adequate. At last, the Ba(Co0.6Y0.04Zn0.35)1/3Nb2/3–0.05O3 ceramics well-sintered at 1340°C for 20 h had good microwave dielectric properties of εr = 35.0, Q×f = 44,833 GHz and τf = −1.1 ppm/°C. |
| doi_str_mv | 10.2109/jcersj2.123.399 |
| format | Article |
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The XRD results showed all samples exhibited the main phase Ba(Co1/3Nb2/3)O3–Ba(Zn1/3Nb2/3)O3 (BCZN) and a certain amount of secondary phase Ba5Nb4O15. SEM revealed that the microstructure was homogeneous fine grained when x equaled to 0.13. The Co deficiency was found unfavorable to improve the microwave dielectric properties of BCZN ceramics and showed remarkable influence on crystal phases and microstructures. The relatively optimized microwave dielectric properties could be obtained when Co was adequate. At last, the Ba(Co0.6Y0.04Zn0.35)1/3Nb2/3–0.05O3 ceramics well-sintered at 1340°C for 20 h had good microwave dielectric properties of εr = 35.0, Q×f = 44,833 GHz and τf = −1.1 ppm/°C.</description><identifier>ISSN: 1882-0743</identifier><identifier>EISSN: 1348-6535</identifier><identifier>DOI: 10.2109/jcersj2.123.399</identifier><language>eng ; jpn</language><publisher>Tokyo: The Ceramic Society of Japan</publisher><subject>Ba5Nb4O15 ; BCZN ; Ceramics ; Crystals ; Dielectric properties ; Microstructure ; Microwave ceramics ; Microwaves ; Nonstoichiometry ; Sintering</subject><ispartof>Journal of the Ceramic Society of Japan, 2015/05/01, Vol.123(1437), pp.399-404</ispartof><rights>2015 The Ceramic Society of Japan</rights><rights>Copyright Japan Science and Technology Agency 2015</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c4509-c131fd5822d46a9d995300e0b4cf16b98b00b156c4ca6e34b37e361c6a08f86b3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,1883,4024,27923,27924,27925</link.rule.ids></links><search><creatorcontrib>TANG, Bin</creatorcontrib><creatorcontrib>FANG, Zi-Xuan</creatorcontrib><creatorcontrib>CHEN, He-tuo</creatorcontrib><creatorcontrib>ZHANG, Xiao</creatorcontrib><creatorcontrib>ZHANG, Shu-ren</creatorcontrib><title>Microwave dielectric properties of Ba(Co0.47+xY0.04Zn0.35)1/3Nb2/3–0.05O3 (x = 0–0.13) ceramics</title><title>Journal of the Ceramic Society of Japan</title><addtitle>J. Ceram. Soc. Japan</addtitle><description>The sintering behaviors and microwave dielectric properties of Ba(Co0.47+xY0.04Zn0.35)1/3Nb2/3–0.05O3 (x = 0–0.13) ceramics were investigated in this paper. The XRD results showed all samples exhibited the main phase Ba(Co1/3Nb2/3)O3–Ba(Zn1/3Nb2/3)O3 (BCZN) and a certain amount of secondary phase Ba5Nb4O15. SEM revealed that the microstructure was homogeneous fine grained when x equaled to 0.13. The Co deficiency was found unfavorable to improve the microwave dielectric properties of BCZN ceramics and showed remarkable influence on crystal phases and microstructures. The relatively optimized microwave dielectric properties could be obtained when Co was adequate. At last, the Ba(Co0.6Y0.04Zn0.35)1/3Nb2/3–0.05O3 ceramics well-sintered at 1340°C for 20 h had good microwave dielectric properties of εr = 35.0, Q×f = 44,833 GHz and τf = −1.1 ppm/°C.</description><subject>Ba5Nb4O15</subject><subject>BCZN</subject><subject>Ceramics</subject><subject>Crystals</subject><subject>Dielectric properties</subject><subject>Microstructure</subject><subject>Microwave ceramics</subject><subject>Microwaves</subject><subject>Nonstoichiometry</subject><subject>Sintering</subject><issn>1882-0743</issn><issn>1348-6535</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2015</creationdate><recordtype>article</recordtype><recordid>eNpdkE1vEzEQhlcVSK1Kz1xX6iUV2s2Mx_baBw4Q8VWVFgl6aC-W15ltN9pkg51AufEf-If8EkxTVYLTfOiZ0aunKJ4j1ALBTheBY1qIGgXVZO1ecYAkTaUVqSe5N0ZU0EjaL45S6lsQSksr0BwU4WMf4vjdf-Ny3vPAYRP7UK7juOa46TmVY1e-9pPZCLVsXtxdQQ3yegU1qROc0nkrpvT756-8VRdUTu7KlyXcz0gnZc7kl31Iz4qnnR8SHz3Uw-Ly7Zsvs_fV2cW7D7NXZ1WQCmwVkLCbKyPEXGpv59YqAmBoZehQt9a0AC0qHWTwmkm21DBpDNqD6Yxu6bCY7P7m-F-3nDZu2afAw-BXPG6Tw8aSkEhaZ_T4P3QxbuMqp8uU0koK04hMTXdUVpRS5M6tY7_08YdDcH-9uwfvLnt32Xu-ON9dLNLG3_Aj77PMMPA_PEpq7pvT2edT9wmlQPEIhlsfHa_oD_ThjQ8</recordid><startdate>2015</startdate><enddate>2015</enddate><creator>TANG, Bin</creator><creator>FANG, Zi-Xuan</creator><creator>CHEN, He-tuo</creator><creator>ZHANG, Xiao</creator><creator>ZHANG, Shu-ren</creator><general>The Ceramic Society of Japan</general><general>Japan Science and Technology Agency</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>2015</creationdate><title>Microwave dielectric properties of Ba(Co0.47+xY0.04Zn0.35)1/3Nb2/3–0.05O3 (x = 0–0.13) ceramics</title><author>TANG, Bin ; FANG, Zi-Xuan ; CHEN, He-tuo ; ZHANG, Xiao ; ZHANG, Shu-ren</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4509-c131fd5822d46a9d995300e0b4cf16b98b00b156c4ca6e34b37e361c6a08f86b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng ; jpn</language><creationdate>2015</creationdate><topic>Ba5Nb4O15</topic><topic>BCZN</topic><topic>Ceramics</topic><topic>Crystals</topic><topic>Dielectric properties</topic><topic>Microstructure</topic><topic>Microwave ceramics</topic><topic>Microwaves</topic><topic>Nonstoichiometry</topic><topic>Sintering</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>TANG, Bin</creatorcontrib><creatorcontrib>FANG, Zi-Xuan</creatorcontrib><creatorcontrib>CHEN, He-tuo</creatorcontrib><creatorcontrib>ZHANG, Xiao</creatorcontrib><creatorcontrib>ZHANG, Shu-ren</creatorcontrib><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Journal of the Ceramic Society of Japan</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>TANG, Bin</au><au>FANG, Zi-Xuan</au><au>CHEN, He-tuo</au><au>ZHANG, Xiao</au><au>ZHANG, Shu-ren</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microwave dielectric properties of Ba(Co0.47+xY0.04Zn0.35)1/3Nb2/3–0.05O3 (x = 0–0.13) ceramics</atitle><jtitle>Journal of the Ceramic Society of Japan</jtitle><addtitle>J. Ceram. Soc. Japan</addtitle><date>2015</date><risdate>2015</risdate><volume>123</volume><issue>1437</issue><spage>399</spage><epage>404</epage><pages>399-404</pages><issn>1882-0743</issn><eissn>1348-6535</eissn><abstract>The sintering behaviors and microwave dielectric properties of Ba(Co0.47+xY0.04Zn0.35)1/3Nb2/3–0.05O3 (x = 0–0.13) ceramics were investigated in this paper. The XRD results showed all samples exhibited the main phase Ba(Co1/3Nb2/3)O3–Ba(Zn1/3Nb2/3)O3 (BCZN) and a certain amount of secondary phase Ba5Nb4O15. SEM revealed that the microstructure was homogeneous fine grained when x equaled to 0.13. The Co deficiency was found unfavorable to improve the microwave dielectric properties of BCZN ceramics and showed remarkable influence on crystal phases and microstructures. The relatively optimized microwave dielectric properties could be obtained when Co was adequate. At last, the Ba(Co0.6Y0.04Zn0.35)1/3Nb2/3–0.05O3 ceramics well-sintered at 1340°C for 20 h had good microwave dielectric properties of εr = 35.0, Q×f = 44,833 GHz and τf = −1.1 ppm/°C.</abstract><cop>Tokyo</cop><pub>The Ceramic Society of Japan</pub><doi>10.2109/jcersj2.123.399</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Ba5Nb4O15 BCZN Ceramics Crystals Dielectric properties Microstructure Microwave ceramics Microwaves Nonstoichiometry Sintering |
| title | Microwave dielectric properties of Ba(Co0.47+xY0.04Zn0.35)1/3Nb2/3–0.05O3 (x = 0–0.13) ceramics |
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