MICROWAVE DIELECTRIC PROPERTIES OF BanLa4Ti3+nO12+3n HOMOLOGOUS SERIES
Authors investigated the phase structure and microwave dielectric properties of the BanLa4Ti3+nO12+3n homologous series. In BaLa4Ti4O15 with n=1 composition, authors obtained high Q characteristics at the dielectric constant er=46, the temperature coefficient of the resonant frequency tf=-11 ppm/C a...
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| Veröffentlicht in: | Jpn.J.Appl.Phys ,Part 1. Vol. 40, no. 9B, pp. 5779-5782. 2001 Part 1. Vol. 40, no. 9B, pp. 5779-5782. 2001, 2001, Vol.40 (9B), p.5779-5782 |
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| container_title | Jpn.J.Appl.Phys ,Part 1. Vol. 40, no. 9B, pp. 5779-5782. 2001 |
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| creator | Okawa, T Kiuchi, K Okabe, H Ohsato, H |
| description | Authors investigated the phase structure and microwave dielectric properties of the BanLa4Ti3+nO12+3n homologous series. In BaLa4Ti4O15 with n=1 composition, authors obtained high Q characteristics at the dielectric constant er=46, the temperature coefficient of the resonant frequency tf=-11 ppm/C and Q*f=46000 GHz. In the BaO-La2O3-TiO2 system, BanLa4Ti3+nO12+3n compounds exist on the tie line BaTiO3-La4Ti3O12 near the tungsten bronze-type like Ba6-3xR8+2xTi18O54 (R=rare earth) solid solutions. There are three kinds of compounds: n=1, BaLa4Ti4O15; n=2, Ba2La4Ti5O18; and n=4, Ba4La4Ti7O24. These compounds have a layered hexagonal perovskite-like structure, which has a common substructure in the crystal structure. Authors have investigated the phase compositions and microwave dielectric properties of BanLa4Ti3+nO12+3n. With an increase of n, the dielectric constant increases and the quality factor decreases. 18 refs. |
| doi_str_mv | 10.1143/jjap.40.5779 |
| format | Article |
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In BaLa4Ti4O15 with n=1 composition, authors obtained high Q characteristics at the dielectric constant er=46, the temperature coefficient of the resonant frequency tf=-11 ppm/C and Q*f=46000 GHz. In the BaO-La2O3-TiO2 system, BanLa4Ti3+nO12+3n compounds exist on the tie line BaTiO3-La4Ti3O12 near the tungsten bronze-type like Ba6-3xR8+2xTi18O54 (R=rare earth) solid solutions. There are three kinds of compounds: n=1, BaLa4Ti4O15; n=2, Ba2La4Ti5O18; and n=4, Ba4La4Ti7O24. These compounds have a layered hexagonal perovskite-like structure, which has a common substructure in the crystal structure. Authors have investigated the phase compositions and microwave dielectric properties of BanLa4Ti3+nO12+3n. With an increase of n, the dielectric constant increases and the quality factor decreases. 18 refs.</description><identifier>ISSN: 0021-4922</identifier><identifier>DOI: 10.1143/jjap.40.5779</identifier><language>eng</language><ispartof>Jpn.J.Appl.Phys ,Part 1. 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In BaLa4Ti4O15 with n=1 composition, authors obtained high Q characteristics at the dielectric constant er=46, the temperature coefficient of the resonant frequency tf=-11 ppm/C and Q*f=46000 GHz. In the BaO-La2O3-TiO2 system, BanLa4Ti3+nO12+3n compounds exist on the tie line BaTiO3-La4Ti3O12 near the tungsten bronze-type like Ba6-3xR8+2xTi18O54 (R=rare earth) solid solutions. There are three kinds of compounds: n=1, BaLa4Ti4O15; n=2, Ba2La4Ti5O18; and n=4, Ba4La4Ti7O24. These compounds have a layered hexagonal perovskite-like structure, which has a common substructure in the crystal structure. Authors have investigated the phase compositions and microwave dielectric properties of BanLa4Ti3+nO12+3n. 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Vol. 40, no. 9B, pp. 5779-5782. 2001</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Okawa, T</au><au>Kiuchi, K</au><au>Okabe, H</au><au>Ohsato, H</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>MICROWAVE DIELECTRIC PROPERTIES OF BanLa4Ti3+nO12+3n HOMOLOGOUS SERIES</atitle><jtitle>Jpn.J.Appl.Phys ,Part 1. Vol. 40, no. 9B, pp. 5779-5782. 2001</jtitle><date>2001</date><risdate>2001</risdate><volume>40</volume><issue>9B</issue><spage>5779</spage><epage>5782</epage><pages>5779-5782</pages><issn>0021-4922</issn><abstract>Authors investigated the phase structure and microwave dielectric properties of the BanLa4Ti3+nO12+3n homologous series. In BaLa4Ti4O15 with n=1 composition, authors obtained high Q characteristics at the dielectric constant er=46, the temperature coefficient of the resonant frequency tf=-11 ppm/C and Q*f=46000 GHz. In the BaO-La2O3-TiO2 system, BanLa4Ti3+nO12+3n compounds exist on the tie line BaTiO3-La4Ti3O12 near the tungsten bronze-type like Ba6-3xR8+2xTi18O54 (R=rare earth) solid solutions. There are three kinds of compounds: n=1, BaLa4Ti4O15; n=2, Ba2La4Ti5O18; and n=4, Ba4La4Ti7O24. These compounds have a layered hexagonal perovskite-like structure, which has a common substructure in the crystal structure. Authors have investigated the phase compositions and microwave dielectric properties of BanLa4Ti3+nO12+3n. With an increase of n, the dielectric constant increases and the quality factor decreases. 18 refs.</abstract><doi>10.1143/jjap.40.5779</doi><tpages>4</tpages></addata></record> |
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| title | MICROWAVE DIELECTRIC PROPERTIES OF BanLa4Ti3+nO12+3n HOMOLOGOUS SERIES |
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