Evolution of stress and magnetism during the first-order phase transition of MnAs/GaAs(001)

We have investigated epitaxial MnAs/GaAs(0 0 1) films in the phase transition region between 10°C and 40°C where hexagonal, ferromagnetic α-MnAs and paramagnetic, orthorhomic β-MnAs coexist. Quantitative stress measurements with a cantilever beam magnetometer reveal that during the phase transition...

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Hlavní autoři: Ney, A, Das, A, Pampuch, C, Hesjedal, T, Kastner, M, Daweritz, L, Koch, R, Ploog, K
Médium: Journal article
Jazyk:English
Vydáno: 2004