Magnetic Fullerenes inside Single-Wall Carbon Nanotubes

C(59)N magnetic fullerenes were formed inside single-wall carbon nanotubes by vacuum annealing functionalized C(59)N molecules encapsulated inside the tubes. A hindered, anisotropic rotation of C(59)N was deduced from the temperature dependence of the electron spin resonance spectra near room temper...

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Vydáno v:Physical review letters Ročník 97; číslo 13; s. 136801
Hlavní autoři: Simon, F., Kuzmany, H., Náfrádi, B., Fehér, T., Forró, L., Fülöp, F., Jánossy, A., Korecz, L., Rockenbauer, A., Hauke, F., Hirsch, A.
Médium: Journal Article
Jazyk:angličtina
Vydáno: United States 29.09.2006
ISSN:0031-9007, 1079-7114
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Popis
Shrnutí:C(59)N magnetic fullerenes were formed inside single-wall carbon nanotubes by vacuum annealing functionalized C(59)N molecules encapsulated inside the tubes. A hindered, anisotropic rotation of C(59)N was deduced from the temperature dependence of the electron spin resonance spectra near room temperature. Shortening of the spin-lattice relaxation time T(1) of C(59)N indicates a reversible charge transfer toward the host nanotubes above approximately 350 K. Bound C(59)N-C(60) heterodimers are formed at lower temperatures when C(60) is coencapsulated with the functionalized C(59)N. In the 10-300 K range, T(1) of the heterodimer shows a relaxation dominated by the conduction electrons on the nanotubes.
Bibliografie:ObjectType-Article-1
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ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.97.136801