Magnetotransport measurements on thin Sc1−xErxAs epitaxial films in pulsed magnetic fields

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Abstract

Magnetotransport measurements in pulsed fields up to 46 T and at temperatures between 1.4 and 210 K have been performed on thin semimetallic epitaxial layers of Sc1−xErxAs buried inside insulating GaAs. A consistent description is obtained of the magnetic field dependence of the Hall resistance and the different frequencies of the Shubnikov-de Haas oscillations.

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1

Two of us (R.B. and F.M.P.) acknowledge support from the Belgian National Fund for Scientific Research. L.V.B. is supported by the Onderzoeksraad of the KU Leuven.

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