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Comment on "Laser controlled magnetism in hydrogenated fullerene films": [J. Appl. Phys. 109, 083941 (2011)]
Umeå University, Faculty of Science and Technology, Department of Physics.
2013 (English)In: Journal of Applied Physics, ISSN 0021-8979, E-ISSN 1089-7550, Vol. 113, no 3, 036101- p.Article in journal, Editorial material (Other academic) Published
Abstract [en]

Hydrogenation of C-60 films with formation of single hydrogen adduct reported by Makarova et al. [J. Appl. Phys. 109, 083941 (2011); Phys. Status Solidi B 246, 2778 (2009)] was supported only by several features found in Raman spectra of treated samples. However, no spectra were shown for untreated samples. Data shown in this comment prove that all Raman peaks assigned by Makarova et al. [J. Appl. Phys. 109, 083941 (2011); Phys. Status Solidi B 246, 2778 (2009)] to effects of hydrogenation can be found in spectra of pristine untreated commercial C-60 powder. These peaks represent some second order vibrations of C-60 as well as some possible solvent impurities. Therefore, all magnetic effects reported in this study should be assigned to unknown effects but not necessarily to hydrogenation. (C) 2013 American Institute of Physics. []

Place, publisher, year, edition, pages
2013. Vol. 113, no 3, 036101- p.
National Category
Physical Sciences
URN: urn:nbn:se:umu:diva-66649DOI: 10.1063/1.4775821ISI: 000313670600078OAI: diva2:609363
Available from: 2013-03-05 Created: 2013-02-26 Last updated: 2013-06-04Bibliographically approved

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