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 |
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