Abstract
Detectors based on transition-edge thermometers are under investigation for material analysis and space observations thanks to their high-energy resolution. However, fabrication of stable structures using superconducting/normal proximity bilayer is not trivial. For example, the characteristics of thermometers made of Al/Ag are quickly degraded by interdiffusion. In this work, we report details on fabrication and characterisation of Mo films and Mo/Ag bilayers that being immiscible and non-reactive with each other should have a long time stability. First results show that bilayers with transition widths of 1 mK are achievable, adequate to realise high sensitivity thermometers.
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