Spin valves using organic spacers and spin-organic light-emitting structures using ferromagnetic electrodes
US9219226B2 · kind B2 · utility
0Cited by
1References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2013 |
| Grant date | Dec 22, 2015 |
| Priority date | — |
| Expiry date | Jun 30, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1107
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The spacer in a spin-valve is replaced with an organic layer, allowing for numerous applications, including light-emitting structures. The invention demonstrates that the spin coherence of the organic material is sufficiently long that the carriers do not lose their spin memory even in traversing a thicker passive barrier. At least three methods to fabricate the organic spin-valve devices are disclosed, in which the difficulties associated with depositing the ferromagnetic (FM) and organic layers are addressed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.