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 language | English |
|---|---|
| Pages (from-to) | 2132-2135 |
| Number of pages | 4 |
| Journal | Journal of the American Ceramic Society |
| Volume | 93 |
| Issue number | 8 |
| DOIs | |
| Publication status | Published - 2010 Aug |
ASJC Scopus subject areas
- Ceramics and Composites
- Materials Chemistry
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Cite this
Joung, M. R., Kim, J. S., Song, M. E., Nahm, S., & Paik, J. H. (2010). Microstructure and microwave dielectric properties of the Li 2CO3-added Sr2V2O7 ceramics. Journal of the American Ceramic Society, 93(8), 2132-2135. https://doi.org/10.1111/j.1551-2916.2010.03676.x