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X-ray diffaction evidence for nonstoichiometric rubidium-c60 intercalation compounds |
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| Authors: | Zhu Q Zhou O Coustel N Vaughan G B McCauley J P Romanow W J Fischer J E Smith A B |
| Abstract: | Powder x-ray diffraction at 300 K on equilibrated samples of several nominal compositions chi in Rb(chi)C(60) is reported. In addition to the face-centered cubic (fcc) (chi = 3, superconducting), body-centered tetragonal (chi = 4), and body-centered cubic (bcc) (chi = 6) stoichiometric phases, direct evidence for a dilute fcc doped phase, 0 x c |
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