Identifying the electron spin resonance of conduction electrons in alkali doped SWCNTs
Galambos, M.; Fabian, G.; Simon, F.; Ciric, L.; Forro, L.; Korecz, L.; Rockenbauer, A.; Koltai, J.; Zolyomi, V.; Rusznyak, A.; Kuerti, J.; Nemes, N. M.; Dora, B.; Peterlik, H.; Pfeiffer, R.; Kuzmany, H.; Pichler, T.
2009

Abstract

We study the electron spin resonance (ESR) signal of pristine and potassium doped SWCNTs. We identify signals of a superparamagnetic background, a low intensity impurity, and of the conduction electron spin resonance (CESR). The latter only appears upon the alkali atom doping. To identify the CESR signal, we critically assess whether it could come from residual graphitic carbon, which we clearly exclude. We give accurate values for the signal intensities and the corresponding concentration of spins and for the g-factors. The CESR signal intensity allows to determine the density of states on the SWCNT assembly. (C) 2009 WILEY-VCH Verlaq GmbH & Co. KGaA, Weinheim

Details

Title Identifying the electron spin resonance of conduction electrons in alkali doped SWCNTs
Author(s) Galambos, M. ; Fabian, G. ; Simon, F. ; Ciric, L. ; Forro, L. ; Korecz, L. ; Rockenbauer, A. ; Koltai, J. ; Zolyomi, V. ; Rusznyak, A. ; Kuerti, J. ; Nemes, N. M. ; Dora, B. ; Peterlik, H. ; Pfeiffer, R. ; Kuzmany, H. ; Pichler, T.
Published in Physica Status Solidi B-Basic Solid State Physics
Volume 246
Pages 2760-2763
Conference 23rd Winterschool on Electronic Properties of Novel Materials, Kirchberg, GERMANY, Mar 14, 2009
Date 2009
Keywords
DOI https://doi.org/10.1002/pssb.200982330
Other identifier(s) View record in Web of Science
Laboratories LPMC
Record Appears in Scientific production and competences > SB - School of Basic Sciences > SB Archives > LPMC - Laboratory of Nanostructures and Novel Electronic Materials
Peer-reviewed publications
Conference Papers
Work produced at EPFL
Published
Record creation date 2010-11-30

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