NASA NTRS · 20160000786
The Magnetically-Tuned Transition-Edge Sensor
Abstract
We present the first measurements on the proposed magnetically-tuned superconducting transition-edge sensor (MTES) and compare the modified resistive transition with the theoretical prediction. A TES's resistive transition is customarily characterized in terms of the unit less device parameters alpha and beta corresponding to the resistive response to changes in temperature and current respectively. We present a new relationship between measured IV quantities and the parameters alpha and beta and use these relations to confirm we have stably biased a TES with negative beta parameter with magnetic tuning. Motivated by access to this new unexplored parameter space, we investigate the conditions for bias stability of a TES taking into account both self and externally applied magnetic fields.
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Sadleir, John E., Lee, Sang-Jun, Smith, Stephen J., Busch, Sarah E., Bandler, Simon R., Adams, Joseph S., Eckart, Megan E., Chevenak, James A., Kelley, Richard L., Kilbourne, Caroline A., Porter, Frederick S., Porst, Jan-Patrick. 2014-05-28. The Magnetically-Tuned Transition-Edge Sensor. https://ntrs.nasa.gov/citations/20160000786
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