The effect of strain on the local phase transition temperature of MnAs/ GaAs was discussed. It was found that the characteristics temperature T* at which the as-grown films transformed to the paramagnetic β-phase was locally shifted up towards the value of unstrained bulk MnAs. The analysis showed that the film areas exhibiting the higher T* were identified as the region in which the strain in the MnAs film was allowed to relax.

Jyoti Ranjan Mohanty

Department of Physics

T. Hesjedal

A. Ney

Y. Takagaki

R. Koch

L. Däweritz

K.H. Ploog

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Applied Physics Letters

Effect of strain on the local phase transition temperature of MnAs/GaAs(001)

Journal	Applied Physics Letters
ISSN	00036951