Abstract:To establish the doping-dependent phase diagram in alkali-metal doped C60, we synthesize Rbdoped C60 samples with different stoichiometries by using the improved wet-chemistry technique. The doping levels determined from the Raman scattering spectra often show the appearance of three electrons corresponding to the band filling of three for the synthesized compounds no matter matter what dopants are used. The multiple phase coexistence with the unique Rb3C60 is identified from the refined x-ray diffraction patt… Show more
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