Abstract

The paper reports on electrophysical and magnetic properties of recently discovered high-pressure phases in the (GaSb)(1-x)Mnx system, which is a possible candidate for spintronic material. It was shown that the simple cubic and tetragonal high-pressure phases display magnetic ordering although the critical parameters and electrotransport properties of these two phases significantly differ. Also we observed a magnetic ordering in the solid solution of Mn in the semiconductor sphalerite phase of GaSb prepared under high pressure, although in this case magnetic moment per Mn ion is an order of magnitude smaller than in the first two cases.

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