Volume 68, Number 5, December 2004
|Page(s)||726 - 732|
|Section||Condensed matter: electronic structure, electrical, magnetic, and optical properties|
|Published online||05 November 2004|
Magnetic coupling and exchange stiffness in striped films
Institut für Experimentalphysik, Freie Universität Berlin Arnimallee 14, D-14195 Berlin, Germany
2 Paul-Drude-Institut für Festkörperelektronik Hausvogteiplatz 5–7, D-10117 Berlin, Germany
Accepted: 12 October 2004
We provide the first direct evidence of interactions in a self-organized pattern of coexisting ferromagnetic and paramagnetic stripe domains as a function of the coupling strength between the stripes (inter) and within one stripe (intra). The value of the intra exchange constant is determined unambiguously from spin wave resonance. Additionally, in-plane ferromagnetic resonance measurements reveal the presence of a strong coupling between the neighboring stripes, which can dominate the weak intra-stripe interaction.
PACS: 75.70.Ak – Magnetic properties of monolayers and thin films / 75.60.-d – Domain effects, magnetization curves, and hysteresis
© EDP Sciences, 2004
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