Abstract
We describe results of electrical transport experiments on niobium-on-indium arsenide and aluminium-on-indium arsenide bilayers. The temperature-dependent properties of electrical conduction in these bilayers is examined first in order to characterize the quality of super-semi interfaces. Next, we look at the differential resistance of the bilayers as a function of bias current. The switching of current between the metal and semiconductor components of the bilayer gives rise to a quasi-inductive effect as it causes voltage spikes in the composite system. Also described is the variation of critical current for these bilayers with temperature and magnetic field.
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