Mechanism of temperature dependence of the magnetic anisotropy energy in ultrathin Cobalt and Nickel films

Details Mechanism of temperature dependence of the magnetic anisotropy energy in ultrathin Cobalt and Nickel films Mechanism of temperature dependence of the magnetic anisotropy energy in ultrathin Cobalt and Nickel films

2006-10-23

arxiv.org/abs/cond-mat/0610649v1

Physics

Condensed Matter

Strongly Correlated Electrons

3 pages, 4 figures III Joint European Magnetic Symposia, San Sebastian, Spain

Scientific paper

10.1016/j.jmmm.2007.02.134

Temperature dependent FMR-measurements of Ni and Co films are analysed using
a microscopic theory for ultrathin metallic systems. The mechanism governing
the temperature dependence of the magnetic anisotropy energy is identified and
discussed. It is reduced with increasing temperature. This behavior is found to
be solely caused by magnon excitations.

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