Abstract
CdF2 samples provided with different kinds of electrodes and insulations are investigated. It is found that, due to an electron injection which cannot be avoided, metal particles are formed below the surface which act as a kind of « reversible dendritic electrode »; that the cations are discharged by segregation there and/or at the external cathode; that the two known space-charge formation TSC-peaks are related to the blocking of the external electrode and to an electron injection resp. It is finally shown that there are indications of a similar situation in alkali halides.
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