Abstract
We report the investigation of the static and dynamic magnetic properties of type- A MnAs Ga0.945 Mn0.055 As (001) bilayers. Static magnetization measurements show them to be ferromagnetically coupled with an exchange bias field of ∼340 Oe. The magnetocrystalline anisotropy constants of the (Ga,Mn)As layer were determined by X -band ferromagnetic resonance (FMR) spectroscopy. The (Ga,Mn)As layers are magnetically inhomogeneous as evidenced by a strong broadening of the (Ga,Mn)As uniform mode linewidth. The MnAs FMR spectra reveal the presence of a small MnAs fraction with a different orientation. © 2009 American Institute of Physics.
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CITATION STYLE
Cubukcu, M., Von Bardeleben, H. J., Khazen, K., Cantin, J. L., Zhu, M., Wilson, M. J., … Samarth, N. (2009). Ferromagnetic resonance study of MnAs (Ga,Mn) As bilayers. Journal of Applied Physics, 105(7). https://doi.org/10.1063/1.3059391
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