Abstract.
We have synthesized the ytterbium fulleride compounds YbxC60 (x=1–6) at a range of lower temperature (530 °C–570 °C). Except for the nominal composition Yb3C60 compound, which has been reported in the references, we also obtained a new phase Yb6C60, whose structure is orthorhombic with space group P21212 and unit cell parameters a=21.28 Å, b=20.13 Å and c=15.89 Å. The YbxC60 compounds are sensitive to oxygen, the samples exposed in air convert to an amorphous phase and Yb2O3 compound.
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Received: 11 March 1999 / Accepted: 3 September 1999 / Published online: 2 February 2000
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Cao, XW., Hao, JM., Wu, XS. et al. Investigation of ytterbium fulleride compounds . Appl Phys A 70, 223–225 (2000). https://doi.org/10.1007/s003390050037
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DOI: https://doi.org/10.1007/s003390050037