Low temperature synthesis of bilayer hydrated cesium cobalt oxide
| Autor: | Ming Y. Liao, Michael T. Beasley, Boon H. Mok, Fon C. Hsu, Maw K. Wu, Hsiao Y. Lin, Hwo S. Sheu, Horng Y. Tang, Ming J. Wang, Jean L. Liu |
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| Rok vydání: | 2006 |
| Předmět: |
Chemistry
Bilayer Inorganic chemistry chemistry.chemical_element Condensed Matter Physics Alkali metal Magnetic susceptibility Electronic Optical and Magnetic Materials Inorganic Chemistry Thermogravimetry Crystallography Paramagnetism Materials Chemistry Ceramics and Composites Physical and Theoretical Chemistry Hydrate Cobalt oxide Cobalt |
| Zdroj: | Journal of Solid State Chemistry. 179:2728-2731 |
| ISSN: | 0022-4596 |
| DOI: | 10.1016/j.jssc.2006.04.042 |
| Popis: | Bilayer hydrated Na 0.35 CoO 2 ·1.3H 2 O structure has re-directed superconductivity research in recent years. Here, we develop a low temperature synthesis method to prepare a novel hydrous Cs 0.2 CoO 2 ·0.63H 2 O compound in one step. The bilayer-hydrate of Cs 0.2 CoO 2 ·0.63H 2 O with a greatest interlayer spacing d =10.0(2) A among alkali cobalt oxides has been grown in crystal form. Magnetic susceptibility measurement of Cs 0.2 CoO 2 ·0.63H 2 O displays a paramagnetic behavior down to 1.9 K. With the assistance of low temperature molten CsOH solvent, crystals of Rb 0.30 CoO 2 ·0.36H 2 O and K 0.35 CoO 2 ·0.4H 2 O can be grown. The results provide the capability for preparing a novel hydrous structure and the systematic investigation of interlayer coupling effect of alkali ion insertion compounds. |
| Databáze: | OpenAIRE |
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