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Persistent URL http://purl.org/net/epubs/work/49718
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Record Id 49718
Title Dynamics of paramagnetic metallofullerenes in carbon nanotube peapods
Abstract We filled SWNTs with the paramagnetic fullerene Sc@C-82 to form peapods. The interfullerene 1D packing distance measured using TEM is d = 1.1 +/- 0.02 nm. The SC@C-82 in SWNT peapods continuously rotated during the 2 s TEM exposure time, and we did not see the Sc atoms. However, SC@C-82 metallofullerenes in MWNT peapods have periods of fixed orientation, indicated by the brief observation of Sc atoms. La@C-82 peapods were also prepared and their rotational behavior examined. The interfullerene 1D packing of both La@C-82 and SC@C-82 peapods is identical and thus independent of the charge transfer state for these paramagnetic fullerenes. The La@C-82 metallofullerenes in the peapods have fixed orientations for extended periods of time, up to 50 s in some cases. The La@C-82 spontaneously rotates rapidly between fixed orientations.
Organisation CSE , CSE-CMSG , STFC
Keywords Physics , Transport , ESR , Endohedral metallofullerness , SC-AT-C-82 , LA-AT-C-82 , Fullerness , Nanopeapods
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Language English (EN)
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Journal Article Nano Lett 8, no. 4 (2008): 1005-1010. doi:10.1021/nl0726104 2008
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