Volume 66, Number 5, June 2004
|Page(s)||743 - 748|
|Section||Condensed matter: electronic structure, electrical, magnetic, and optical properties|
|Published online||01 May 2004|
Direct observation of local ferromagnetism on carbon in multilayers
University of Applied Sciences Münster - Stegerwaldstrasse 39 D-48565 Steinfurt, Germany
2 BESSY GmbH - Albert-Einstein Strasse 15, D-12489 Berlin, Germany
3 Leibniz-Institute of Solid State and Materials Research P.O. Box 270016, D-01171 Dresden, Germany
4 PSI, Laboratory for Neutron Scattering - CH-5232 Villigen, Switzerland
Corresponding author: email@example.com
Accepted: 31 March 2004
An element-selective investigation of magnetism on carbon in the vicinity of atoms in a multilayer is reported. We utilize resonant magnetic reflectivity of circularly polarized synchrotron radiation which allows us to distinguish unambiguously the local magnetism on carbon from that on through individual core-level excitations. Clear magnetic signals of carbon are obtained by exploiting the standing-wave technique. Hysteresis loops of individually excited and atoms demonstrate ferromagnetism of at room temperature with a moment of induced by adjacent atoms.
PACS: 78.20.Ls – Magnetooptical effects / 78.70.Ck – X-ray scattering / 81.05.Uw – Carbon, diamond, graphite
© EDP Sciences, 2004
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