X-ray diffraction evidence for nonstoichiometric rubidium-C60 intercalation compounds

Powder X-ray diffraction at 300 K on equilibrated samples of several nominal compositions x in Rb(x)C60 is reported. In addition to fcc (x = 3, superconducting), body-centered tetragonal (x = 4), and bcc (x = 6) stoichiometric phases, direct evidence for a dilute fcc-doped phase, between 0 and 1, an...

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Veröffentlicht in:Science (American Association for the Advancement of Science) 1991-10, Vol.254 (5031), p.545-548
Hauptverfasser: Zhu, Qing, Zhou, Otto, Coustel, Nicole, Vaughan, Gavin B.M, McCauley, Jr., John P, Romanow, William J, Fischer, John E, Smith, III, Amos B
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Sprache:eng
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