1983
DOI: 10.1002/pssa.2210750212
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Negative differential resistances in ferromagnetic semiconductor CdCr2Se4 single crystals

Abstract: Both, N-shaped NDR (negative differential resistance) and S-shaped NDR in the ferromagnetic semiconductor CdCr,Se, are studied. The peak field of N-shaped NDR decreases with the decrease in the environment temperature or with the increase in the applied magnetic field. The peak current density of S-shaped NDR decreases with the decrease in the environment temperature but is not affected by the magnetic field. The behaviour of both NDR's can be explained by the change of the conductivity due to the Joule heat g… Show more

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