Abstract
Abstract The Shubnikov-de Haas effect in the type II 3 V 2 diluted magnetic semiconductor alloy ( Cd 1− x − y Zn x Mn y ) 3 As 2 was investigated in the region of 0⩽ y ⩽0.08, x + y = 0.3. Single period oscillations of the conductivity were observed in the temperature interval of 4.2–31 K and magnetic fields up to 11 T. In one of the samples ( y = 0.02) a well-resolved spin-splitting was seen. Values of the cyclotron effective mass and the g -factor were determined. A strong dependence of the cyclotron mass on the magnetic field was observed in crystals with a high Mn concentration.
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