Abstract
The current-voltage characteristics of point contact heterojunctions between Mo and the intermetallic compounds CeB 6 , CeAl 2 , CeCu 2 Si 2 and CeCu 6 were investigated at liquid He temperatures. The dynamic resistance of these compounds shows a dip near zero bias voltage and large asymmetric bias voltage dependence. These behaviours are explained in terms of thermoelectric effects and resistivity due to local heating near the contact.
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