Epitaxial (001) BiFeO3 membranes with substantially reduced fatigue and leakage
US7754351B2 · kind B2 · utility
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2References
32Claims
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Key dates
| Filing date | May 8, 2008 |
| Grant date | Jul 13, 2010 |
| Priority date | — |
| Expiry date | May 8, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC30B23/02
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention provides free-standing heterostructures including a layer of BiFeO3 and a layer comprising a perovskite over which the BiFeO3 is epitaxially grown. The layer comprising the perovskite has been released from a substrate upon which it was originally grown. Also provided are methods for forming the free-standing heterostructures, which may include transferring the free-standing heterostructures to other host substrates.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.