Method of producing bismuth layered compound
US6251360A · kind A · utility
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19Claims
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Key dates
| Filing date | Aug 9, 1999 |
| Grant date | Jun 26, 2001 |
| Priority date | — |
| Expiry date | Aug 9, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC01P2006/40
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
A method of producing a bismuth layered compound that includes the steps of providing a substrate, dissolving Bi, Sr and Ta containing compounds in an organic solvent to form a solution having a Bi:Sr:Ta volume ratio of 2:1:2, evaporating the solution and depositing the evaporated solution onto the substrate, heating the substrate to form a thin film having a fluorite structure, and heating the thin film in an oxidizing atmosphere to convert the thin film having a fluorite structure to a thin film comprising Bi.sub.2 SrTa.sub.2 O.sub.9.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.