Dielectric properties of Cd1−xFexSe compounds

The results of studying the temperature and frequency dependences of the permittivity of Cd1−xFexSe (x=0.05, 0.105, and 0.14) semimagnetic semiconductors are reported. In the frequency region of f 400 K, transport over the bands becomes prevalent, which brings about a decrease in the permittivity and the disappearance of the frequency dependence of electrical conductivity.