Superconductor technology: apparatus – material – process – High temperature – per se – Having tc greater than or equal to 150 k
Patent
1991-08-01
1993-06-29
Lieberman, Paul
Superconductor technology: apparatus, material, process
High temperature , per se
Having tc greater than or equal to 150 k
505725, 505775, 505810, 505815, 252500, 252518, 423414, 423439, H01L 3924, H01L 3912, C01B 3100
Patent
active
052234797
ABSTRACT:
Superconducting, metal-doped fullerenes are provided, along with processes for their preparation in relatively high stoichiometric purity. In one embodiment, the processes provide fullerenes of the formula M.sub.3 C.sub.60 where M is an alkali metal. The processes comprise contacting C.sub.60 with alkali metal in an amount and under reaction conditions effective to produce a compound having the formula M.sub.y C.sub.60, where y is greater than 3, and contacting said M.sub.y C.sub.60 with a portion of C.sub.60 in an amount and under reaction conditions effective to produce said M.sub.3 C.sub.60.
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Coustel Nicole
McCauley, Jr. John P.
Vaughan Gavin
Zhu Qing
Lieberman Paul
Swope Bradley A.
The Trustees of the University of Pennsylvania
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