Superconducting material comprising Rb.sub.x Cs.sub.y C.sub.60.
US5294600A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 2, 1992 |
| Grant date | Mar 15, 1994 |
| Priority date | — |
| Expiry date | Jul 2, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S977/735
- WIPO fieldMicro-structural and nano-technology
- WIPO sectorChemistry
Abstract
A superconducting material higher in superconducting transition temperature and superconducting volume ratio than any conventional one is provided, which comprises a fullerene doped with rubidium and cesium. This fullerene system superconducting material makes it possible to improve both the superconducting transition temperature and superconducting volume ratio by having rubidium and cesium doped thereinto compared with any conventional fullerene systems. If the chemical composition of this super conducting material is expressed as Rb.sub.x Cs.sub.y C.sub.n, x and y are arbitrary if an equation x+y=3 is satisfied, preferable to be x=2 and y=1, further preferable to be x=1 and y=s. The superconducting transition temperature Tc and superconducting volume ratio when x=1 and y=2 or x=2 and y=1 are superior to those when x=3 and y=0 or x=0 and y=3, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.