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We have studied the properties of relatively thick (about 120 nm) magneticcomposite films grown by pulsed laser deposition method using(GaSb)$_{0.59}$(MnSb)$_{0.41}$ eutectic compound as a target for sputtering.For the studied films we have observed ferromagnetism and anomalous Hall effectabove the room temperature, it manifests the presence of spin-polarizedcarriers. Electron microscopy, atomic and magnetic force microscopy resultssuggests that films under study have homogenous columnar structure in the bulkwhile MnSb inclusions accumulate near it's surface. This is in good agreementwith high mobility values of charge carriers. Based on our data we concludethat room temperature magnetic and magnetotransport properties of the films aredefined by MnSb inclusions.

High temperature magnetism and microstructure of semiconducting ferromagnetic alloy (GaSb)$_{1-x}$(MnSb)$_{x}$