Microwave dielectric properties of Mg4Nb2O9 ceramics produced by hydrothermal synthesis
Mg 4 Nb 2 O 9 ceramics have been prepared by a hydrothermal synthesis in order to reduce the sintering temperature. The sintering and microwave dielectric properties of the hydrothermally processed Mg 4 Nb 2 O 9 were studied under various sintering temperatures ranging from 900 to 1300°C. The highes...
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| Veröffentlicht in: | Journal of electroceramics 2009-10, Vol.23 (2-4), p.116-120 |
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| container_title | Journal of electroceramics |
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| creator | Lim, Sung-woo Bang, Jaecheol |
| description | Mg
4
Nb
2
O
9
ceramics have been prepared by a hydrothermal synthesis in order to reduce the sintering temperature. The sintering and microwave dielectric properties of the hydrothermally processed Mg
4
Nb
2
O
9
were studied under various sintering temperatures ranging from 900 to 1300°C. The highest
Q
×
f
o
value of 26,069 GHz was obtained at the sintering temperature of 1300°C and is attributed to the increased density and appropriate grain growth.
τ
f
value of −17.1 ppm/°C was improved by the addition of TiO
2
and
τ
f
value of 6.7 ppm/°C was obtained at 20 wt% TiO
2
. Chemical compatibility of Mg
4
Nb
2
O
9
with Ag was tested to identity the possibility of using Mg
4
Nb
2
O
9
for an LTCC application. Since any secondary phase was not observed in the XRD pattern of the mixtures of Mg
4
Nb
2
O
9
and Ag powder heat treated at 900°C, it was considered that the Mg
4
Nb
2
O
9
system is applicable to the multilayer microwave devices using Ag as an electrode. |
| doi_str_mv | 10.1007/s10832-007-9322-0 |
| format | Article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_journals_881640060</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><sourcerecordid>2419766471</sourcerecordid><originalsourceid>FETCH-LOGICAL-c311t-614e5afefa06989b527799e741f7edb80a85b5d6263a0c2a9ef4a922c082d0363</originalsourceid><addsrcrecordid>eNp1kMtOwzAQRS0EEqXwAews9oHxI469RBUvqaUbEEvLcSZtqrYpdgrK3-MoSKxYzZHm3nlcQq4Z3DKA4i4y0IJnCTMjeIITMmF5ITKtlDhNLHSeCSnNObmIcQMARks2IR-Lxof2230hrRrcou9C4-khtAcMXYORtjVdrORryZeGegxu1_g49Kujx4qWPV33VWi7NYad29LY7xPGJl6Ss9ptI1791il5f3x4mz1n8-XTy-x-nnnBWJcpJjF3NdYOlNGmzHlRGIOFZHWBVanB6bzMK8WVcOC5M1hLZzj3oHkFQokpuRnnppM-jxg7u2mPYZ9WWq2ZkgAKkoiNovRqjAFrewjNzoXeMrBDfHaMzw44xGcHDx89MWn3Kwx_g_83_QBcY3LF</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>881640060</pqid></control><display><type>article</type><title>Microwave dielectric properties of Mg4Nb2O9 ceramics produced by hydrothermal synthesis</title><source>Single Title from SpringerLink</source><creator>Lim, Sung-woo ; Bang, Jaecheol</creator><creatorcontrib>Lim, Sung-woo ; Bang, Jaecheol</creatorcontrib><description>Mg
4
Nb
2
O
9
ceramics have been prepared by a hydrothermal synthesis in order to reduce the sintering temperature. The sintering and microwave dielectric properties of the hydrothermally processed Mg
4
Nb
2
O
9
were studied under various sintering temperatures ranging from 900 to 1300°C. The highest
Q
×
f
o
value of 26,069 GHz was obtained at the sintering temperature of 1300°C and is attributed to the increased density and appropriate grain growth.
τ
f
value of −17.1 ppm/°C was improved by the addition of TiO
2
and
τ
f
value of 6.7 ppm/°C was obtained at 20 wt% TiO
2
. Chemical compatibility of Mg
4
Nb
2
O
9
with Ag was tested to identity the possibility of using Mg
4
Nb
2
O
9
for an LTCC application. Since any secondary phase was not observed in the XRD pattern of the mixtures of Mg
4
Nb
2
O
9
and Ag powder heat treated at 900°C, it was considered that the Mg
4
Nb
2
O
9
system is applicable to the multilayer microwave devices using Ag as an electrode.</description><identifier>ISSN: 1385-3449</identifier><identifier>EISSN: 1573-8663</identifier><identifier>DOI: 10.1007/s10832-007-9322-0</identifier><language>eng</language><publisher>Boston: Springer US</publisher><subject>Ceramics ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Composites ; Crystallography and Scattering Methods ; Dielectric properties ; Electrochemistry ; Glass ; Materials Science ; Natural Materials ; Optical and Electronic Materials</subject><ispartof>Journal of electroceramics, 2009-10, Vol.23 (2-4), p.116-120</ispartof><rights>Springer Science+Business Media, LLC 2007</rights><rights>Springer Science+Business Media, LLC 2009</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c311t-614e5afefa06989b527799e741f7edb80a85b5d6263a0c2a9ef4a922c082d0363</citedby><cites>FETCH-LOGICAL-c311t-614e5afefa06989b527799e741f7edb80a85b5d6263a0c2a9ef4a922c082d0363</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s10832-007-9322-0$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10832-007-9322-0$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,41464,42533,51294</link.rule.ids></links><search><creatorcontrib>Lim, Sung-woo</creatorcontrib><creatorcontrib>Bang, Jaecheol</creatorcontrib><title>Microwave dielectric properties of Mg4Nb2O9 ceramics produced by hydrothermal synthesis</title><title>Journal of electroceramics</title><addtitle>J Electroceram</addtitle><description>Mg
4
Nb
2
O
9
ceramics have been prepared by a hydrothermal synthesis in order to reduce the sintering temperature. The sintering and microwave dielectric properties of the hydrothermally processed Mg
4
Nb
2
O
9
were studied under various sintering temperatures ranging from 900 to 1300°C. The highest
Q
×
f
o
value of 26,069 GHz was obtained at the sintering temperature of 1300°C and is attributed to the increased density and appropriate grain growth.
τ
f
value of −17.1 ppm/°C was improved by the addition of TiO
2
and
τ
f
value of 6.7 ppm/°C was obtained at 20 wt% TiO
2
. Chemical compatibility of Mg
4
Nb
2
O
9
with Ag was tested to identity the possibility of using Mg
4
Nb
2
O
9
for an LTCC application. Since any secondary phase was not observed in the XRD pattern of the mixtures of Mg
4
Nb
2
O
9
and Ag powder heat treated at 900°C, it was considered that the Mg
4
Nb
2
O
9
system is applicable to the multilayer microwave devices using Ag as an electrode.</description><subject>Ceramics</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Composites</subject><subject>Crystallography and Scattering Methods</subject><subject>Dielectric properties</subject><subject>Electrochemistry</subject><subject>Glass</subject><subject>Materials Science</subject><subject>Natural Materials</subject><subject>Optical and Electronic Materials</subject><issn>1385-3449</issn><issn>1573-8663</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2009</creationdate><recordtype>article</recordtype><recordid>eNp1kMtOwzAQRS0EEqXwAews9oHxI469RBUvqaUbEEvLcSZtqrYpdgrK3-MoSKxYzZHm3nlcQq4Z3DKA4i4y0IJnCTMjeIITMmF5ITKtlDhNLHSeCSnNObmIcQMARks2IR-Lxof2230hrRrcou9C4-khtAcMXYORtjVdrORryZeGegxu1_g49Kujx4qWPV33VWi7NYad29LY7xPGJl6Ss9ptI1791il5f3x4mz1n8-XTy-x-nnnBWJcpJjF3NdYOlNGmzHlRGIOFZHWBVanB6bzMK8WVcOC5M1hLZzj3oHkFQokpuRnnppM-jxg7u2mPYZ9WWq2ZkgAKkoiNovRqjAFrewjNzoXeMrBDfHaMzw44xGcHDx89MWn3Kwx_g_83_QBcY3LF</recordid><startdate>20091001</startdate><enddate>20091001</enddate><creator>Lim, Sung-woo</creator><creator>Bang, Jaecheol</creator><general>Springer US</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QQ</scope><scope>7SP</scope><scope>7SR</scope><scope>7U5</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20091001</creationdate><title>Microwave dielectric properties of Mg4Nb2O9 ceramics produced by hydrothermal synthesis</title><author>Lim, Sung-woo ; Bang, Jaecheol</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c311t-614e5afefa06989b527799e741f7edb80a85b5d6263a0c2a9ef4a922c082d0363</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2009</creationdate><topic>Ceramics</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry and Materials Science</topic><topic>Composites</topic><topic>Crystallography and Scattering Methods</topic><topic>Dielectric properties</topic><topic>Electrochemistry</topic><topic>Glass</topic><topic>Materials Science</topic><topic>Natural Materials</topic><topic>Optical and Electronic Materials</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Lim, Sung-woo</creatorcontrib><creatorcontrib>Bang, Jaecheol</creatorcontrib><collection>CrossRef</collection><collection>Ceramic Abstracts</collection><collection>Electronics & Communications Abstracts</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Journal of electroceramics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Lim, Sung-woo</au><au>Bang, Jaecheol</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Microwave dielectric properties of Mg4Nb2O9 ceramics produced by hydrothermal synthesis</atitle><jtitle>Journal of electroceramics</jtitle><stitle>J Electroceram</stitle><date>2009-10-01</date><risdate>2009</risdate><volume>23</volume><issue>2-4</issue><spage>116</spage><epage>120</epage><pages>116-120</pages><issn>1385-3449</issn><eissn>1573-8663</eissn><abstract>Mg
4
Nb
2
O
9
ceramics have been prepared by a hydrothermal synthesis in order to reduce the sintering temperature. The sintering and microwave dielectric properties of the hydrothermally processed Mg
4
Nb
2
O
9
were studied under various sintering temperatures ranging from 900 to 1300°C. The highest
Q
×
f
o
value of 26,069 GHz was obtained at the sintering temperature of 1300°C and is attributed to the increased density and appropriate grain growth.
τ
f
value of −17.1 ppm/°C was improved by the addition of TiO
2
and
τ
f
value of 6.7 ppm/°C was obtained at 20 wt% TiO
2
. Chemical compatibility of Mg
4
Nb
2
O
9
with Ag was tested to identity the possibility of using Mg
4
Nb
2
O
9
for an LTCC application. Since any secondary phase was not observed in the XRD pattern of the mixtures of Mg
4
Nb
2
O
9
and Ag powder heat treated at 900°C, it was considered that the Mg
4
Nb
2
O
9
system is applicable to the multilayer microwave devices using Ag as an electrode.</abstract><cop>Boston</cop><pub>Springer US</pub><doi>10.1007/s10832-007-9322-0</doi><tpages>5</tpages></addata></record> |
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| ispartof | Journal of electroceramics, 2009-10, Vol.23 (2-4), p.116-120 |
| issn | 1385-3449 1573-8663 |
| language | eng |
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| source | Single Title from SpringerLink |
| subjects | Ceramics Characterization and Evaluation of Materials Chemistry and Materials Science Composites Crystallography and Scattering Methods Dielectric properties Electrochemistry Glass Materials Science Natural Materials Optical and Electronic Materials |
| title | Microwave dielectric properties of Mg4Nb2O9 ceramics produced by hydrothermal synthesis |
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