Crystallization kinetics and dielectric properties of nanocrystalline lead strontium barium niobates
The crystallization kinetics and phase developments of PbO–BaO–SrO–Nb2O5–B2O3–SiO2-based glass-ceramics was investigated. Lead strontium barium niobate, (Pb,Sr,Ba)Nb2O6, with a tetragonal tungsten-bronze structure formed as the major crystalline phase, which showed evidence of both surface and bulk...
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| Veröffentlicht in: | Journal of materials research 2005-02, Vol.20 (2), p.438-446 |
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| creator | Cheng, Ching-Tai Lanagan, Michael Lin, Jiang-Tsair Jones, Beth Pan, Ming-Jen |
| description | The crystallization kinetics and phase developments of PbO–BaO–SrO–Nb2O5–B2O3–SiO2-based glass-ceramics was investigated. Lead strontium barium niobate, (Pb,Sr,Ba)Nb2O6, with a tetragonal tungsten-bronze structure formed as the major crystalline phase, which showed evidence of both surface and bulk crystallization. The results of the present study showed significant evidence of a change in crystallization mechanism between the as-heated surface and the interior of glass-ceramics. This effect could be attributed to a volatilization of PbO taken place readily on the surface region of sample during heating. The grain size of the bulk-nucleated (Pb,Sr,Ba)Nb2O6 crystals was substantially smaller than that of surface-nucleated crystals. This result facilitated meeting the capacitors as high energy density application due to the ultrafine grains ( |
| doi_str_mv | 10.1557/JMR.2005.0054 |
| format | Article |
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Lead strontium barium niobate, (Pb,Sr,Ba)Nb2O6, with a tetragonal tungsten-bronze structure formed as the major crystalline phase, which showed evidence of both surface and bulk crystallization. The results of the present study showed significant evidence of a change in crystallization mechanism between the as-heated surface and the interior of glass-ceramics. This effect could be attributed to a volatilization of PbO taken place readily on the surface region of sample during heating. The grain size of the bulk-nucleated (Pb,Sr,Ba)Nb2O6 crystals was substantially smaller than that of surface-nucleated crystals. This result facilitated meeting the capacitors as high energy density application due to the ultrafine grains (<60 nm) obtained. The dielectric constant increased from 27 for the as-quenched glass to 200 for a highly crystallized glass-ceramic, which was attributed to a significant volume fraction of (Pb, Sr, Ba) Nb2 O6 phase.</description><identifier>ISSN: 0884-2914</identifier><identifier>EISSN: 2044-5326</identifier><identifier>DOI: 10.1557/JMR.2005.0054</identifier><language>eng</language><publisher>New York, USA: Cambridge University Press</publisher><subject>Ceramic ; Dielectric ; Electrical properties</subject><ispartof>Journal of materials research, 2005-02, Vol.20 (2), p.438-446</ispartof><rights>Copyright © Materials Research Society 2005</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c408t-ed2f4173a8166039912fd45c1d2f087399d8e361e5404a4f9cd4dedcf3540a583</citedby><cites>FETCH-LOGICAL-c408t-ed2f4173a8166039912fd45c1d2f087399d8e361e5404a4f9cd4dedcf3540a583</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,777,781,27905,27906</link.rule.ids></links><search><creatorcontrib>Cheng, Ching-Tai</creatorcontrib><creatorcontrib>Lanagan, Michael</creatorcontrib><creatorcontrib>Lin, Jiang-Tsair</creatorcontrib><creatorcontrib>Jones, Beth</creatorcontrib><creatorcontrib>Pan, Ming-Jen</creatorcontrib><title>Crystallization kinetics and dielectric properties of nanocrystalline lead strontium barium niobates</title><title>Journal of materials research</title><addtitle>J. Mater. Res</addtitle><description>The crystallization kinetics and phase developments of PbO–BaO–SrO–Nb2O5–B2O3–SiO2-based glass-ceramics was investigated. Lead strontium barium niobate, (Pb,Sr,Ba)Nb2O6, with a tetragonal tungsten-bronze structure formed as the major crystalline phase, which showed evidence of both surface and bulk crystallization. The results of the present study showed significant evidence of a change in crystallization mechanism between the as-heated surface and the interior of glass-ceramics. This effect could be attributed to a volatilization of PbO taken place readily on the surface region of sample during heating. The grain size of the bulk-nucleated (Pb,Sr,Ba)Nb2O6 crystals was substantially smaller than that of surface-nucleated crystals. This result facilitated meeting the capacitors as high energy density application due to the ultrafine grains (<60 nm) obtained. The dielectric constant increased from 27 for the as-quenched glass to 200 for a highly crystallized glass-ceramic, which was attributed to a significant volume fraction of (Pb, Sr, Ba) Nb2 O6 phase.</description><subject>Ceramic</subject><subject>Dielectric</subject><subject>Electrical properties</subject><issn>0884-2914</issn><issn>2044-5326</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2005</creationdate><recordtype>article</recordtype><recordid>eNqNkctLXDEUxkNR6Khddp9Vd3fM--Yuy1AfZbQoWroLmeTcEr2TTJMMqH99M6jtSnBx-ODjdx6cD6HPlMyplP3x94vrOSNEzluJD2jGiBCd5EztoRnRWnRsoOIjOijljhAqSS9myC_yY6l2msKTrSFFfB8i1OAKttFjH2ACV3NweJPTBnINUHAacbQxudfOCHgC63GpOcUatmu8snknMaSVrVCO0P5opwKfXvQQ3Z58u1mcdcsfp-eLr8vOCaJrB56NgvbcaqoU4cNA2eiFdLT5RPfN8Bq4oiAFEVaMg_PCg3cjb4aVmh-iL89z27F_tlCqWYfiYJpshLQthmlJSM_ZO0ChBqnku0CmiWpg9wy6nErJMJpNDmubHw0lZpeOaemYXTpml85_PpQKD_9gm--N6nkvjTq9MvoXF-wnvTSXjT9-mW_Xqxz8bzB3aZtje-cbG_4CeDih1g</recordid><startdate>20050201</startdate><enddate>20050201</enddate><creator>Cheng, Ching-Tai</creator><creator>Lanagan, Michael</creator><creator>Lin, Jiang-Tsair</creator><creator>Jones, Beth</creator><creator>Pan, Ming-Jen</creator><general>Cambridge University Press</general><scope>BSCLL</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SP</scope><scope>7U5</scope><scope>8FD</scope><scope>L7M</scope><scope>7QQ</scope><scope>7SR</scope><scope>JG9</scope></search><sort><creationdate>20050201</creationdate><title>Crystallization kinetics and dielectric properties of nanocrystalline lead strontium barium niobates</title><author>Cheng, Ching-Tai ; Lanagan, Michael ; Lin, Jiang-Tsair ; Jones, Beth ; Pan, Ming-Jen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c408t-ed2f4173a8166039912fd45c1d2f087399d8e361e5404a4f9cd4dedcf3540a583</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2005</creationdate><topic>Ceramic</topic><topic>Dielectric</topic><topic>Electrical properties</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Cheng, Ching-Tai</creatorcontrib><creatorcontrib>Lanagan, Michael</creatorcontrib><creatorcontrib>Lin, Jiang-Tsair</creatorcontrib><creatorcontrib>Jones, Beth</creatorcontrib><creatorcontrib>Pan, Ming-Jen</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><collection>Electronics & Communications Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>Ceramic Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Materials Research Database</collection><jtitle>Journal of materials research</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Cheng, Ching-Tai</au><au>Lanagan, Michael</au><au>Lin, Jiang-Tsair</au><au>Jones, Beth</au><au>Pan, Ming-Jen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Crystallization kinetics and dielectric properties of nanocrystalline lead strontium barium niobates</atitle><jtitle>Journal of materials research</jtitle><addtitle>J. Mater. Res</addtitle><date>2005-02-01</date><risdate>2005</risdate><volume>20</volume><issue>2</issue><spage>438</spage><epage>446</epage><pages>438-446</pages><issn>0884-2914</issn><eissn>2044-5326</eissn><abstract>The crystallization kinetics and phase developments of PbO–BaO–SrO–Nb2O5–B2O3–SiO2-based glass-ceramics was investigated. Lead strontium barium niobate, (Pb,Sr,Ba)Nb2O6, with a tetragonal tungsten-bronze structure formed as the major crystalline phase, which showed evidence of both surface and bulk crystallization. The results of the present study showed significant evidence of a change in crystallization mechanism between the as-heated surface and the interior of glass-ceramics. This effect could be attributed to a volatilization of PbO taken place readily on the surface region of sample during heating. The grain size of the bulk-nucleated (Pb,Sr,Ba)Nb2O6 crystals was substantially smaller than that of surface-nucleated crystals. This result facilitated meeting the capacitors as high energy density application due to the ultrafine grains (<60 nm) obtained. The dielectric constant increased from 27 for the as-quenched glass to 200 for a highly crystallized glass-ceramic, which was attributed to a significant volume fraction of (Pb, Sr, Ba) Nb2 O6 phase.</abstract><cop>New York, USA</cop><pub>Cambridge University Press</pub><doi>10.1557/JMR.2005.0054</doi><tpages>9</tpages></addata></record> |
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| subjects | Ceramic Dielectric Electrical properties |
| title | Crystallization kinetics and dielectric properties of nanocrystalline lead strontium barium niobates |
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