Abstract
We investigated ternary MnAs 1- x Sb x thin films on GaAs ( 0 0 1 ) substrates by low-temperature molecular beam epitaxy under varying growth conditions, studying their crystal structures and magnetic properties. It was found that MnAs 1- x Sb x film with x=0.2 seems to be lattice-matched to GaAs ( 0 0 1 ) substrates and is suitable for the growth of magnetic multilayers. We explored the possibility of growing magnetic MnSb/MnAs/MnAs 1- x Sb x multilayers on GaAs ( 0 0 1 ), and successfully prepared this kind of magnetic multilayer. We also report herein preliminary results regarding the magnetotransport properties of MnAs 1- x Sb x films in relation to the Sb content.
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