Microstructure and microwave dielectric properties of the Li 2CO3-added Sr2V2O7 ceramics

Mi Ri Joung, Jin Seong Kim, Myung Eun Song, Sahn Nahm, Jong Hoo Paik

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

The addition of Li2CO3 to Sr2V 2O7 ceramics decreased their sintering temperature and time. A dense microstructure was developed for the specimens sintered at 750°-850°C due to the melting of Li2CO3 during the sintering. For the specimens sintered at 800°C, the grain size was considerably increased when the Li2CO3 content exceeded 1.0 mol%. The Q × f value was increased by the Li2CO 3 addition due to the increased density and grain size. In particular, a high Q × f value of 73 800 GHz with εr and τf values of 9.94 and -28.8 ppm/°C, respectively, was obtained for the specimen containing 3.0 mol% Li2CO3 sintered at 800°C for 2h.

Original languageEnglish
Pages (from-to)2132-2135
Number of pages4
JournalJournal of the American Ceramic Society
Volume93
Issue number8
DOIs
Publication statusPublished - 2010 Aug 1

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dielectric property
ceramics
Dielectric properties
microstructure
Sintering
grain size
Microwaves
Microstructure
Melting
melting
temperature
Temperature
microwave
sintering

ASJC Scopus subject areas

  • Ceramics and Composites
  • Materials Chemistry

Cite this

Microstructure and microwave dielectric properties of the Li 2CO3-added Sr2V2O7 ceramics. / Joung, Mi Ri; Kim, Jin Seong; Song, Myung Eun; Nahm, Sahn; Paik, Jong Hoo.

In: Journal of the American Ceramic Society, Vol. 93, No. 8, 01.08.2010, p. 2132-2135.

Research output: Contribution to journalArticle

Joung, Mi Ri ; Kim, Jin Seong ; Song, Myung Eun ; Nahm, Sahn ; Paik, Jong Hoo. / Microstructure and microwave dielectric properties of the Li 2CO3-added Sr2V2O7 ceramics. In: Journal of the American Ceramic Society. 2010 ; Vol. 93, No. 8. pp. 2132-2135.
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