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Induced Magnetic Ordering by Proton Irradiation in Graphite

P. Esquinazi, D. Spemann, R. Höhne, A. Setzer, K.-H. Han, and T. Butz
Phys. Rev. Lett. 91, 227201 – Published 24 November 2003
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Abstract

We provide evidence that proton irradiation of energy 2.25 MeV on highly oriented pyrolytic graphite samples triggers ferro- or ferrimagnetism. Measurements performed with a superconducting quantum interferometer device and magnetic force microscopy reveal that the magnetic ordering is stable at room temperature.

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  • Received 1 July 2003

DOI:https://doi.org/10.1103/PhysRevLett.91.227201

©2003 American Physical Society

Authors & Affiliations

P. Esquinazi*, D. Spemann, R. Höhne, A. Setzer, K.-H. Han, and T. Butz

  • Institut für Experimentelle Physik II, Universität Leipzig, Linnéstrasse 5, D-04103 Leipzig, Germany

  • *Email address: esquin@physik.uni-leipzig.de

See Also

Mini Magnets

David Lindley
Phys. Rev. Focus 12, 20 (2003)

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Issue

Vol. 91, Iss. 22 — 28 November 2003

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