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Phys Rev Lett. 2009 Dec 31;103(26):267202. doi: 10.1103/PhysRevLett.103.267202. Epub 2009 Dec 23.

New model for magnetism in ultrathin fcc Fe on Cu(001).

Physical review letters

H L Meyerheim, J-M Tonnerre, L Sandratskii, H C N Tolentino, M Przybylski, Y Gabi, F Yildiz, X L Fu, E Bontempi, S Grenier, J Kirschner

Affiliations

  1. Max-Planck-Institut für Mikrostrukturphysik, Weinberg 2, D-06120 Halle, Germany. [email protected]

PMID: 20366339 DOI: 10.1103/PhysRevLett.103.267202

Abstract

Using soft-x-ray resonant magnetic scattering in combination with first-principles calculations for noncollinear magnetic configurations we present a new model of the magnetism in ultrathin fcc Fe films on Cu(001). We find the presence of blocks with robust magnetic structure, while the relative directions of the moments of different blocks are sensitive to the detailed atomic structure and temperature. The magnetic noncollinearity is directly demonstrated, which has not been possible so far.

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