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Abstract
We communicate how C60 Hot Isostatically Pressed (HIPed) at 200° or 400°C with a pressure of 1.7 kbar of Ar produces the new fullerene-rare gas compound Ar1C60. We have shown, using Xray powder diffraction and subsequent Rietveld analysis, that this solid can be characterised stoichiometrically as Ar1C60- The stoichiometry has also been confirmed by thermal gravimetric analysis (TGA) showing 5% by weight to be Ar (expected=5.25%). The presence of Ar is confirmed by transmission electron microscopy (TEM) and energy dispersive X-ray spectroscopy (EDS). This material is found to be remarkably stable to loss of Ar over several weeks at room temperature. This represents the first full characterisation of an interstitial rare gas fullerene compound.
†Deceased. This letter is dedicated to the living memory of Dr. R. Lindsay Davis. His wisdom and encouragement are intangibly woven into this work
Notes
†Deceased. This letter is dedicated to the living memory of Dr. R. Lindsay Davis. His wisdom and encouragement are intangibly woven into this work