Long Term Performance Stability of Transition-Edge Sensor Detectors

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dc.contributor.authorBeaumont, Sophie
dc.contributor.authorAdams, J. S.
dc.contributor.authorBandler, S. R.
dc.contributor.authorBorrelli, R.
dc.contributor.authorChervenak, J. A.
dc.contributor.authorCumbee, R.
dc.contributor.authorFinkbeiner, F. M.
dc.contributor.authorHull, S. V.
dc.contributor.authorKelley, R. L.
dc.contributor.authorKilbourne, C. A.
dc.contributor.authorMuramatsu, H.
dc.contributor.authorPorter, F. S.
dc.contributor.authorSakai, Kazuhiro
dc.contributor.authorSmith, S. J.
dc.contributor.authorWakeham, Nicholas
dc.contributor.authorWassell, E. J.
dc.contributor.authorYoon, S.
dc.date.accessioned2023-05-15T15:39:35Z
dc.date.available2023-05-15T15:39:35Z
dc.date.issued2023-04-07
dc.description.abstractWe are developing superconducting transition-edge sensor (TES) microcalorimeter arrays for a variety of applications such as ground-based laboratory astrophysics experiments and next generation space-based X-ray missions. These detectors can provide X-ray spectral information with an unprecedent resolution of ∼2 eV at 6 keV and have for instance been selected for the X-ray Integral Field Unit (X-IFU) instrument of ESA's large flagship mission Athena. To maintain detector performance over the lifetime of the mission, it is important to understand whether environmental conditions that the detector may be exposed to will affect its properties over time. This “aging” begins right after the array leaves the fabrication environment, with potential exposure to humidity, oxygen, or elevated temperatures which may affect the detector performance. In a few prior arrays we have observed increased fall times in the pulse shape and/or the introduction of anomalous low energy tails on the X-ray spectrum. This is thought to be an indication of “aging” on chips exposed to such conditions, causing e.g., changes in the absorber properties. In this contribution, we report on a systematic characterization of TES properties, before and after exposing the chip to various controlled temperature and humidity levels and assess the changes in the measured transition and pulse shapes, energy resolution, and spectral redistribution.en_US
dc.description.sponsorshipThe work was supported in part by NASA under Award number 80GSFC21M0002 and in part by an appointment to the NASA Goddard Space Flight Center through the NASA Postdoctoral Program, administered by Oak Ridge Associated Universities under contract with NASA.en_US
dc.description.urihttps://ieeexplore.ieee.org/abstract/document/10097539en_US
dc.format.extent5 pagesen_US
dc.genrejournal articlesen_US
dc.identifierdoi:10.13016/m2du07-ebev
dc.identifier.citationS. Beaumont et al., "Long Term Performance Stability of Transition-Edge Sensor Detectors," in IEEE Transactions on Applied Superconductivity, vol. 33, no. 5, pp. 1-5, Aug. 2023, Art no. 2101405, doi: 10.1109/TASC.2023.3264952.en_US
dc.identifier.urihttps://doi.org/10.1109/TASC.2023.3264952
dc.identifier.urihttp://hdl.handle.net/11603/27898
dc.language.isoen_USen_US
dc.publisherIEEEen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Center for Space Sciences and Technology
dc.relation.ispartofUMBC Faculty Collection
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.en_US
dc.rightsPublic Domain Mark 1.0*
dc.rights.urihttp://creativecommons.org/publicdomain/mark/1.0/*
dc.titleLong Term Performance Stability of Transition-Edge Sensor Detectorsen_US
dc.typeTexten_US
dcterms.creatorhttps://orcid.org/0000-0002-2237-6696en_US
dcterms.creatorhttps://orcid.org/0000-0002-9247-3010en_US
dcterms.creatorhttps://orcid.org/0000-0001-8397-9338en_US

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