cheminform abstract: strontium/titanium cosubstituted ba4sm2ti4ta6o30 dielectric ceramics

2002 dielectric properties, magnetic properties dielectric properties, magnetic properties D 9000 09 - 011 Strontium/Titanium Cosubstituted Ba 4 Sm 2 Ti 4 Ta 6 O 30 Dielectric Ceramics. — The temperature coefficient of the dielectric constant is suppressed significantly by simultaneous substitution of Sr for Ba and Ti for Ta in the title ceramics, while the dielectric constant remains above 110. The minimum temperature coefficient of dielectric constant is obtained for Ba 2 Sr 2 Sm 2 Ti 4+x Ta 6-x O 30-x/2 with x = 3.0. Substitution of Sr for Ba also markedly reduces the dielectric loss. The present ceramics have great application potential for high-frequency capacitors and temperature-compensate capacitors — (LI, JUAN; CHEN, XIANG MING; WU, YONG JUN; J. Eur. Ceram. Soc. 22 (2002) 1, 87-91; Dep. Mater. Sci. Eng., Zhejiang Univ., Hangzhou 310027, Peop. Rep. China; EN) 1

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Page 1: ChemInform Abstract: Strontium/Titanium Cosubstituted Ba4Sm2Ti4Ta6O30 Dielectric Ceramics

2002 dielectric properties, magnetic properties

dielectric properties, magnetic propertiesD 9000

09 - 011Strontium/Titanium Cosubstituted Ba4Sm2Ti4Ta6O30 DielectricCeramics. — The temperature coefficient of the dielectric constant issuppressed significantly by simultaneous substitution of Sr for Ba and Ti forTa in the title ceramics, while the dielectric constant remains above 110.The minimum temperature coefficient of dielectric constant is obtained forBa2Sr2Sm2Ti4+xTa6−xO30−x/2 with x = 3.0. Substitution of Sr for Ba alsomarkedly reduces the dielectric loss. The present ceramics have great applicationpotential for high-frequency capacitors and temperature-compensate capacitors— (LI, JUAN; CHEN, XIANG MING; WU, YONG JUN; J. Eur. Ceram. Soc.22 (2002) 1, 87-91; Dep. Mater. Sci. Eng., Zhejiang Univ., Hangzhou 310027,Peop. Rep. China; EN)

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