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The fullerites C 60 and C 70 have been treated at high pressure, 15GPa, and high temperatures 300-1820K, using the toroid apparatus. The value of 15GPa has been fixed by the abrupt change of electroresistivity of ZnS. X-ray diffraction and Raman spectra confirm the realization of 3D-polymerized phases in these fullerites at 15GPa. The formation of superhard phases with high...
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