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Humidity sensitivity of large area silicon sensors: Study and implications

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    SYSNO ASEP0540420
    Document TypeJ - Journal Article
    R&D Document TypeJournal Article
    Subsidiary JČlánek ve WOS
    TitleHumidity sensitivity of large area silicon sensors: Study and implications
    Author(s) Fernandez-Tejero, J. (ES)
    Allport, P.P. (GB)
    Avino, O. (ES)
    Dette, K. (CA)
    Fadeyev, V. (US)
    Fleta, C. (ES)
    Gillberg, D. (CA)
    Gonella, L. (GB)
    Hara, K. (JP)
    Helling, C. (US)
    Hommels, B. (GB)
    Keller, J. (CA)
    Klein, C. (GB)
    Koffas, T. (CA)
    Latoňová, Věra (FZU-D) ORCID
    Mikeštíková, Marcela (FZU-D) RID, ORCID
    Orr, R. S. (CA)
    Pyatt, S. (GB)
    Scharf, C. (DE)
    Soldevila, U. (ES)
    Staats, E. (CA)
    Thomas, J. (GB)
    Ullan, M. (ES)
    Unno, Y. (JP)
    Vellvehi, M. (ES)
    Wada, S. (JP)
    Number of authors26
    Article number164406
    Source TitleNuclear Instruments & Methods in Physics Research Section A. - : Elsevier - ISSN 0168-9002
    Roč. 978, Oct (2020), s. 1-6
    Number of pages6 s.
    Languageeng - English
    CountryNL - Netherlands
    Keywordslarge area silicon sensors ; slim-edge ; HL-LHC
    Subject RIVBF - Elementary Particles and High Energy Physics
    OBOR OECDParticles and field physics
    R&D ProjectsLM2018104 GA MŠk - Ministry of Education, Youth and Sports (MEYS)
    LTT17018 GA MŠk - Ministry of Education, Youth and Sports (MEYS)
    Způsob publikováníOmezený přístup
    Institutional supportFZU-D - RVO:68378271
    UT WOS000560076700009
    EID SCOPUS85088310206
    DOI10.1016/j.nima.2020.164406
    AnnotationThe production of large area sensors is one of the main challenges that the ATLAS collaboration faces for the new Inner-Tracker full-silicon detector. During the prototype fabrication phase for the High Luminosity Large Hadron Collider upgrade, several ATLAS institutes observed indications of humidity sensitivity of large area sensors, even at relative humidities well below the dew point. Specifically, prototype Barrel and End-Cap silicon strip sensors fabricated in 6-inch wafers manifest a prompt decrease of the breakdown voltage when operating under high relative humidity, adversely affecting the performance of the sensors. In addition to the investigation of these prototype sensors, a specific fabrication batch with special passivation is also studied, allowing for a deeper understanding of the responsible mechanisms. This work presents an extensive study of this behaviour on large area sensors.
    WorkplaceInstitute of Physics
    ContactKristina Potocká, potocka@fzu.cz, Tel.: 220 318 579
    Year of Publishing2021
    Electronic addresshttps://doi.org/10.1016/j.nima.2020.164406
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