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High frequency electron spin resonance study of peapods
Author(s) -
Olariu A.,
Náfrádi B.,
Ćiri ć L.,
Nemes N. M.,
Forró L.
Publication year - 2008
Publication title -
physica status solidi (b)
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.51
H-Index - 109
eISSN - 1521-3951
pISSN - 0370-1972
DOI - 10.1002/pssb.200879651
Subject(s) - electron paramagnetic resonance , line (geometry) , resonance (particle physics) , electron , condensed matter physics , magnetic field , atomic physics , spin (aerodynamics) , materials science , tube (container) , field (mathematics) , range (aeronautics) , nuclear magnetic resonance , molecular physics , physics , chemistry , quantum mechanics , thermodynamics , geometry , mathematics , composite material , pure mathematics
We present high frequency Electron Spin Resonance (ESR) results on a peapod sample. In a previous low frequency ESR study on peapods and double‐walled nanotubes the observation of a non‐Lorentzian line shape was reported. This effect was tentatively attributed to the presence of two distinct Lorentzian signals, coming from the outer tube and from the inner tube or from fullerenes. Here we report ESR measurements in a broad frequency (and magnetic field) range, which help to resolve this uncertainty. Since, with increasing magnetic field, no splitting of the line is observed, just a linear increase with frequency, we attribute the non‐Lorentzian shape to g ‐factor distribution. The extracted line width weakly increases with temperature. (© 2008 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)