Increased transition temperature in superconducting Na2CsC60 by intercalation of ammonia

A WIDE variety of alkali-metal fullerides (A x C 60 ) have been prepared, with stoichiometries varying between 1⩽=x⩽=11 (refs 1,2). Most of the compounds with x = 3 are superconductors with unusually high transition temperatures (T c ) which increase with the size of the face-centred cubic unit cell...

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Veröffentlicht in:	Nature (London) 1993-04, Vol.362 (6419), p.433-435
Hauptverfasser:	Zhou, O., Fleming, R. M., Murphy, D. W., Rosseinsky, M. J., Ramirez, A. P., van Dover, R. B., Haddon, R. C.
Format:	Artikel
Sprache:	eng
Schlagworte:	Ammonia Chemistry Condensed matter: electronic structure, electrical, magnetic, and optical properties Exact sciences and technology Humanities and Social Sciences letter multidisciplinary Physics Science Science (multidisciplinary) Superconducting materials (excluding high-tc compounds) Superconductivity Temperature Transition temperatures
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