Dilute Magnetic Semiconductor Cu2FeSnS4 Nanocrystals with a Novel Zincblende Structure
Figure 4
(a) Temperature dependence of the magnetization for Cu2FeSnS4 nanocrystals. (b) The field dependence of the magnetization for Cu2FeSnS4 nanocrystals at 2 k and 300 k; inset: the magnification of the hysteresis loop at 2 K.