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Defect Induced Intrinsic Ferromagnetism in Fullerene Thin Films

Amit Kumar 1 Devesh Kumar K. Avasthi Jean Claude Pivin 2
1 SC2G - Semi-conducteurs à large bande interdite
NEEL - Institut Néel
2 CSNSM PCI
CSNSM - Centre de Spectrométrie Nucléaire et de Spectrométrie de Masse
Abstract : The occurrence of intrinsic ferromagnetism in energetic ion irradiated fullerene films is reported. The magnetic properties of irradiated fullerene films are studied by superconducting quantum interference device and electron spin resonance. Raman spectroscopy measurement has been performed to investigate the structural transformation at high fluence. The role of electronic energy density deposition by the ions on their magnetic properties is investigated. The origin of magnetic signal in irradiated films is due to the generation of an amorphous carbon network consisting sp(2)/sp(3) bonded carbon atoms. (C) 2008 The Japan Society of Applied Physics
keyword : C-60 ELECTRON CARBON
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Journal articles
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Submitted on : Thursday, May 23, 2013 - 4:48:09 PM
Last modification on : Friday, December 18, 2020 - 1:14:05 PM

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Amit Kumar, Devesh Kumar K. Avasthi, Jean Claude Pivin. Defect Induced Intrinsic Ferromagnetism in Fullerene Thin Films. Japanese Journal of Applied Physics, part 2 : Letters, Japan Society of Applied Physics, 2008, 1 (12), pp.125002. ⟨10.1143/APEX.1.125002⟩. ⟨in2p3-00825456⟩

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