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- Title
Properties of Low T<sub>C</sub> AlMn TES.
- Authors
Wang, G.; Bratrud, G.; Chang, C. L.; Chaplinsky, L.; Chen, R.; Cudmore, E.; Van De Pontseele, W.; Figueroa-Feliciano, E.; Formaggio, J. A.; Harrington, P.; Hertel, S. A.; Hong, Z.; Kennard, K. T.; Li, M.; Lisovenko, M.; Mateo, L. O.; Mayer, D. W.; Novati, V.; Patel, P. K.; Pinckney, H. D.
- Abstract
Low T C AlMn transition-edge sensors (TESs) have been developed as sensitive thermometers for the Q-Array, which will use superconducting targets to measure the coherent elastic neutrino nucleus scattering spectrum in the RICOCHET experiment. The TESs are made of manganese-doped aluminum with a titanium and gold antioxidation layer. A prototype TES thermometer consists of two TESs in parallel, an input gold pad in metallic contact with the TESs and an output gold pad and gold thermal link meanders, which are each designed to control the flow of heat through the TESs. We have fabricated and measured low T C AlMn TES chips with or without thermal flow control structures. We present T C measurements of the TESs after the initial fabrication and further T C tuning by re-heating and summarize the thermal property studies of the prototype TES thermometer by measuring I-V curves and complex impedance.
- Subjects
NEUTRINO scattering; THERMAL properties; HEATING control; TITANIUM; THERMOMETERS
- Publication
Journal of Low Temperature Physics, 2024, Vol 215, Issue 3/4, p209
- ISSN
0022-2291
- Publication type
Article
- DOI
10.1007/s10909-024-03086-1