Abstract
C_<60>-C_<70> two-component fullerene needle-like crystals were synthesized by liquid-liquid interfacial precipitation method. The fullerene needle-like crystals were fractured by a focused ion beam system (FIB) so that the Ga ion beams do not affect the fracture surfaces. The fullerene needle-like crystals were found to show ductility. We observed the fracture cross-sections by scanning electron microscopy (SEM). The fullerene needle-like crystals have dense surfaces. Contrary to this, the inside of the fullerene needle-like crystals was found to be porous. We conducted Raman spectroscopy measurements on the fracture cross-sections of the C_<60>-C_<70> needle-like crystals. The fracture cross-sections were found to exhibit modulated structures on the C_<60>-C_<70> composition. We consider that the modulated structures were likely to be caused by the spinodal decomposition.
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