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Complex Magnetic Phase In Submonolayer Fe Stripes On Pt(997), Jan Honolka, T. Y. Lee, K. Kuhnke, D. Repetto, V. Sessi, Peter Wahl, A. Buchsbaum, P. Varga, S. Gardonio, C. Carbone, S. R. Krishnakumar, P. Gambardella, M. Komelj, R. Singer, M. Fähnle, K. Fauth, G. Schütz, Axel Enders, K. Kern
Complex Magnetic Phase In Submonolayer Fe Stripes On Pt(997), Jan Honolka, T. Y. Lee, K. Kuhnke, D. Repetto, V. Sessi, Peter Wahl, A. Buchsbaum, P. Varga, S. Gardonio, C. Carbone, S. R. Krishnakumar, P. Gambardella, M. Komelj, R. Singer, M. Fähnle, K. Fauth, G. Schütz, Axel Enders, K. Kern
Axel Enders Publications
Correlations between magnetism and morphology of iron nanostructures of monatomic height on Pt(997) substrates are studied using x-ray magnetic circular dichroism as well as scanning tunneling microscopy and helium scattering. A drastic collapse of the average magnetization by more than a factor of 4 is observed when increasing the iron coverage from 0.1 to 0.2 ML. This effect goes along with a softening of the magnetic anisotropy energy and a gradual reorientation of the magnetic easy axis from in plane to out of plane. The experimental findings together with electronic density-functional calculations suggest the formation of a complex magnetic phase …