Physics – Medical Physics
Scientific paper
Apr 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010apsp.conf..248l&link_type=abstract
ASTROPARTICLE, PARTICLE AND SPACE PHYSICS, DETECTORS AND MEDICAL PHYSICS APPLICATIONS. Proceedings of the 11th Conference. Held
Physics
Medical Physics
Transition Edge Sensor (Tes), Electron-Phonon Coupling, Thermal Conductance, Sensitivity, Superconducting Transition
Scientific paper
We report results on NbxSi1-x transition edge sensor (TES) bolometers fabricated on 2-inch silicon wafers, using electron-beam coevaporation and photolithography techniques. The superconducting transition temperature can be adjusted by the Nb concentration x and the thickness of the NbxSi1-x thin film. For the samples described here the transition temperature is close to 100 mK. We have measured the resistance versus temperature of several sensors using different bias currents, ranging from 200 nA to 10 μA. The electron-phonon coupling coefficient is calculated herein. An electron-ph on on coupling model is built to describe the behavior of the NbSi TES sensors.
Berge Laurent
Collin Sophie
Dolgorouki Youri
Dumoulin Louis
Liu Shu-chen
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