The frequency dependence of ɛ″ r under different pressures for CdS: (a) in the frequency from 10−1 Hz to 104 Hz, (b) in the frequency from 104 Hz to 107 Hz.
The frequency dependence of ɛ r′ under different pressures for CdS: the solid lines guide the eyes.
Part of the band-structure diagram of rock-salt CdS calculated by Liu and Rabii (Ref. 15). The solid lines in the forbidden-gap region represent the four possible band gaps.
The frequency dependence of M′′ under different pressures: the arrows point out the positions of the relaxation peak of CdS grain.
The relative dielectric constant (ɛ r) of the rock-salt CdS grain under different pressures.
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