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Updated: Jul 16, 2026

Writing and Low-Temperature Characterization of Oxide Nanostructures
Published on: July 18, 2014
Spin-wave excitations: the main source of the temperature dependence of interlayer exchange coupling in
S Schwieger1, J Kienert, K Lenz
1Theoretische Physik I, Technische Universität Ilmenau, Postfach 10 05 65, 98684 Ilmenau, Germany.
Abstract:
Quantum mechanical calculations based on an extended Heisenberg model are compared with ferromagnetic resonance experiments on prototype trilayer systems Ni(7)/Cu(n)/Co(2)/Cu(001) in order to determine and separate for the first time quantitatively the sources of the temperature dependence of interlayer exchange coupling. Magnon excitations are responsible for about 75% of the reduction of the coupling strength from zero to room temperature. The remaining 25% are due to temperature effects in the effective quantum well and the spacer-magnet interfaces.
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