Publication Details |
| Category | Text Publication |
| Reference Category | Journals |
| DOI | 10.1007/s10853-010-4432-5 |
| Document | Shareable Link |
| Title (Primary) | Synthesis and sintering of nano-sized BaSnO3 powders containing BaGeO3 |
| Author | Köferstein, R.; Jäger, L.; Zenkner, M.; García-García, F.J.; Ebbinghaus, S.G. |
| Source Titel | Journal of Materials Science |
| Year | 2010 |
| Department | TUCHEM |
| Volume | 45 |
| Issue | 14 |
| Page From | 3784 |
| Page To | 3790 |
| Language | englisch |
| Abstract | The formation of solid solutions of the type [Ba(HOC2H4OH)4][Sn1- Ge (OC2H4O)3] as BaSn1- /Ge O3 precursor and the phase evolution during its thermal decomposition are described in this paper. The 1,2-ethanediolato complexes can be decomposed to nano-sized BaSn1- /Ge O3 preceramic powders. Samples with x = 0.05 consist of only a Ba(Sn,Ge)O3 phase, whereas powders with x = 0.15 and 0.25 show diffraction patterns of both the Ba(Sn,Ge)O3 and BaGeO3 phase. The sintering behaviour was investigated on powders with a BaGeO3 content of 5 and 15 mol%. These powders show a specific surface area of 15.4-15.9 m2/g and were obtained from calcination above 800 °C. The addition of BaGeO3 reduced the sintering temperature of the ceramics drastically. BaSn0.95Ge0.05O3 ceramics with a relative density of at least 90% can be obtained by sintering at 1150 °C for 1 h. The ceramic bodies reveal a fine microstructure with cubical-shaped grains between 0.25 and 0.6 µm. For dense ceramics, the sintering temperature could be reduced down to 1090 °C, when the soaking time was extended up to 10 h. |
| Persistent UFZ Identifier | https://www.ufz.de/index.php?en=20939&ufzPublicationIdentifier=10191 |
| Köferstein, R., Jäger, L., Zenkner, M., García-García, F.J., Ebbinghaus, S.G. (2010): Synthesis and sintering of nano-sized BaSnO3 powders containing BaGeO3 J. Mater. Sci. 45 (14), 3784 - 3790 10.1007/s10853-010-4432-5 |
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