Retraction Note: Magnetic carbon

T. L. Makarova, B. Sundqvist, R. Höhne, P. Esquinazi, Y. Kopelevich, P. Scharff, V. Davydov, L. S. Kashevarova and A. V. Rakhmanina

Nature, 2006, vol. 440, issue 7084, 707-707

Abstract: Nature 413, 716–718 (2001) In this Letter we reported high-temperature ferromagnetism in a polymeric phase of pure carbon that was purportedly free of ferromagnetic impurities1. Since then, however, measurements made on the same and similar samples using particle-induced X-ray emission (PIXE) with aproton microbeam have indicated that these had considerable iron content2,3,4.

Date: 2006
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DOI: 10.1038/nature04622

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