UNSPECIFIED. (2002) In situ x-ray diffraction studies of three-dimensional C-60 polymers. JOURNAL OF PHYSICS-CONDENSED MATTER, 14 (45). pp. 11615-11621. ISSN 0953-8984

Abstract

In situ investigations into the P/T field of C-60 fullerene were performed using energy-dispersive x-ray diffraction techniques. Isobars were obtained at 11 and 9 GPa accompanied by isotherms at 750 and 800 K with pressure reaching 13 GPa. The PIT history and pressure isotropy were investigated with the aim of optimizing conditions for 3D polymer formation. Confirmation of the formation of 3D polymers was performed in situ; however, the reclaimed sample did not exhibit the expected high hardness value, due to depolymerization on pressure release. Isotropy in the pressure field promoted formation and retention of the face-centred-cubic structure.

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