Abstract
Three new compounds (KFeMg2Si4O12, KAlFe2Si4O12, KFe4Si3O12) have been prepared by a solvothermal synthesis using a gel precursor and 2-methoxyethanol as solvent at 750°C and 160 MPa during 3 days. The powder X-ray diffraction characterizations indicate that these new materials are isostructural with 1M polytype of phlogopite mica and exhibit a layered structure. Moreover the infrared spectra confirm the absence of hydroxyls groups in the structure, which improves the thermal stability of the materials. Finally the observed magnetic behaviors are consistent with low dimensionality magnetism.
| Original language | English |
|---|---|
| Pages (from-to) | 251-254 |
| Number of pages | 4 |
| Journal | Defect and Diffusion Forum |
| Volume | 208-209 |
| DOIs | |
| State | Published - 2002 |
| Externally published | Yes |
| Event | 4th High Pressure School on Chemistry, Biology, Materials Science and Techniques - Warswaw, Poland Duration: 22 Jun 2001 → 25 Jun 2001 |
Keywords
- Layered Oxide
- Magnetism
- Phyllosiloxide
- Solvothermal Synthesis
- Supercritical Conditions