Defect investigation in irradiated ATLAS18 ITk Strip Sensors using transient spectroscopy techniques

With the upgrade of the LHC to the High-Luminosity LHC (HL-LHC), the Inner Detector will be replaced with the new all-silicon ATLAS Inner Tracker (ITk). Comprising an active area of 165m<sup>2</sup>, the outer detector layers will host strip modules, built with single-sided micro-strip s...

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Autores: Klein, C. T., Cindro, V., Dandoy, J., Fadeyev, V., Federičová, P., Jessiman, C., Keller, J. S., Koffas, T., Kroll, J., Kvasnička, J., Mandić, I., Mikeštíková, M., Staats, E., Ullán Comes, Miguel, Unno, Y., Zhao, Y.
Formato: artículo
Estado:Versión publicada
Fecha de publicación:2025
País:España
Recursos:Consejo Superior de Investigaciones Científicas (CSIC)
Repositorio:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/420673
Acesso em linha:http://hdl.handle.net/10261/420673
https://api.elsevier.com/content/abstract/scopus_id/105008215293
Access Level:acceso abierto
Palavra-chave:ATLAS
DLTS
HL-LHC
ITk
http://metadata.un.org/sdg/9
Build resilient infrastructure, promote inclusive and sustainable industrialization and foster innovation
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network_acronym_str ES
network_name_str España
repository_id_str
dc.title.none.fl_str_mv Defect investigation in irradiated ATLAS18 ITk Strip Sensors using transient spectroscopy techniques
title Defect investigation in irradiated ATLAS18 ITk Strip Sensors using transient spectroscopy techniques
spellingShingle Defect investigation in irradiated ATLAS18 ITk Strip Sensors using transient spectroscopy techniques
Klein, C. T.
ATLAS
DLTS
HL-LHC
ITk
http://metadata.un.org/sdg/9
Build resilient infrastructure, promote inclusive and sustainable industrialization and foster innovation
title_short Defect investigation in irradiated ATLAS18 ITk Strip Sensors using transient spectroscopy techniques
title_full Defect investigation in irradiated ATLAS18 ITk Strip Sensors using transient spectroscopy techniques
title_fullStr Defect investigation in irradiated ATLAS18 ITk Strip Sensors using transient spectroscopy techniques
title_full_unstemmed Defect investigation in irradiated ATLAS18 ITk Strip Sensors using transient spectroscopy techniques
title_sort Defect investigation in irradiated ATLAS18 ITk Strip Sensors using transient spectroscopy techniques
dc.creator.none.fl_str_mv Klein, C. T.
Cindro, V.
Dandoy, J.
Fadeyev, V.
Federičová, P.
Jessiman, C.
Keller, J. S.
Koffas, T.
Kroll, J.
Kvasnička, J.
Mandić, I.
Mikeštíková, M.
Staats, E.
Ullán Comes, Miguel
Unno, Y.
Zhao, Y.
author Klein, C. T.
author_facet Klein, C. T.
Cindro, V.
Dandoy, J.
Fadeyev, V.
Federičová, P.
Jessiman, C.
Keller, J. S.
Koffas, T.
Kroll, J.
Kvasnička, J.
Mandić, I.
Mikeštíková, M.
Staats, E.
Ullán Comes, Miguel
Unno, Y.
Zhao, Y.
author_role author
author2 Cindro, V.
Dandoy, J.
Fadeyev, V.
Federičová, P.
Jessiman, C.
Keller, J. S.
Koffas, T.
Kroll, J.
Kvasnička, J.
Mandić, I.
Mikeštíková, M.
Staats, E.
Ullán Comes, Miguel
Unno, Y.
Zhao, Y.
author2_role author
author
author
author
author
author
author
author
author
author
author
author
author
author
author
dc.contributor.none.fl_str_mv Department of Energy (US)
Ministry of Education, Youth and Sports (Czech Republic)
Slovenian Research Agency
Natural Sciences and Engineering Research Council of Canada
Swedish Research Council for Health, Working Life and Welfare
0000-0002-3780-1755
0000-0002-9271-7126
0000-0003-0154-4328
0000-0001-9612-4988
0000-0001-6215-3326
0000-0003-1545-0875
0000-0003-1277-2596
0000-0002-6719-9726
0000-0003-0728-1805
0000-0002-4170-8537
0000-0003-0494-6728
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv ATLAS
DLTS
HL-LHC
ITk
http://metadata.un.org/sdg/9
Build resilient infrastructure, promote inclusive and sustainable industrialization and foster innovation
topic ATLAS
DLTS
HL-LHC
ITk
http://metadata.un.org/sdg/9
Build resilient infrastructure, promote inclusive and sustainable industrialization and foster innovation
description With the upgrade of the LHC to the High-Luminosity LHC (HL-LHC), the Inner Detector will be replaced with the new all-silicon ATLAS Inner Tracker (ITk). Comprising an active area of 165m<sup>2</sup>, the outer detector layers will host strip modules, built with single-sided micro-strip sensors. The ATLAS18 main sensors were tested at different institutes in the collaboration for mechanical and electrical compliance with technical specifications, while technological parameters were verified on test structures from the same wafers before and after irradiation. Diodes fabricated as test structures were studied using variants of Deep-Level Transient Spectroscopy (DLTS). Irradiated diode samples were measured with Current-DLTS, using both electrical and photo-induced injection. Utilizing DLTS spectra with varying test parameters, trap energy levels and cross-sections associated with defects were obtained. This was done to improve the precision of sensor simulations as well as to compile a more complete model of radiation damage in ITk Strip Sensors. Moreover, previously observed features such as an increasing trend in the full depletion voltage after irradiation and little beneficial annealing in charge collection after high fluence irradiation of high energy protons were also investigated. Results obtained for samples with radiation damage from different sources at various fluences were compared.
publishDate 2025
dc.date.none.fl_str_mv 2025
2026
2026
dc.type.none.fl_str_mv info:eu-repo/semantics/article
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Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/420673
https://api.elsevier.com/content/abstract/scopus_id/105008215293
url http://hdl.handle.net/10261/420673
https://api.elsevier.com/content/abstract/scopus_id/105008215293
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info:eu-repo/grantAgreement/LM2023040 CERN-CZ//
info:eu-repo/grantAgreement/P1-0135/J1-3032/
info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2021-126327OB-C22
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Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipment
https://doi.org/10.1016/j.nima.2025.170713
Sí
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dc.publisher.none.fl_str_mv Elsevier
publisher.none.fl_str_mv Elsevier
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
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instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
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spelling Defect investigation in irradiated ATLAS18 ITk Strip Sensors using transient spectroscopy techniquesKlein, C. T.Cindro, V.Dandoy, J.Fadeyev, V.Federičová, P.Jessiman, C.Keller, J. S.Koffas, T.Kroll, J.Kvasnička, J.Mandić, I.Mikeštíková, M.Staats, E.Ullán Comes, MiguelUnno, Y.Zhao, Y.ATLASDLTSHL-LHCITkhttp://metadata.un.org/sdg/9Build resilient infrastructure, promote inclusive and sustainable industrialization and foster innovationWith the upgrade of the LHC to the High-Luminosity LHC (HL-LHC), the Inner Detector will be replaced with the new all-silicon ATLAS Inner Tracker (ITk). Comprising an active area of 165m<sup>2</sup>, the outer detector layers will host strip modules, built with single-sided micro-strip sensors. The ATLAS18 main sensors were tested at different institutes in the collaboration for mechanical and electrical compliance with technical specifications, while technological parameters were verified on test structures from the same wafers before and after irradiation. Diodes fabricated as test structures were studied using variants of Deep-Level Transient Spectroscopy (DLTS). Irradiated diode samples were measured with Current-DLTS, using both electrical and photo-induced injection. Utilizing DLTS spectra with varying test parameters, trap energy levels and cross-sections associated with defects were obtained. This was done to improve the precision of sensor simulations as well as to compile a more complete model of radiation damage in ITk Strip Sensors. Moreover, previously observed features such as an increasing trend in the full depletion voltage after irradiation and little beneficial annealing in charge collection after high fluence irradiation of high energy protons were also investigated. Results obtained for samples with radiation damage from different sources at various fluences were compared.Funding text 1 This work was supported by the Canada Foundation for Innovation and the Natural Sciences and Engineering Research Council of Canada; the Spanish R&D grant PID2021-126327OB-C22, funded by MCIN/AEI/10.13039/501100011033/FEDER, UE; the US Department of Energy, grant DE-SC0010107; the European Structural and Investment Funds and the Ministry of Education, Youth and Sports of the Czech Republic via projects LM2023040 CERN-CZ, and FORTE - CZ.02.01.01/00/22_008/0004632. In keeping the research program move forward, the Cyclotron Radio Isotope Center (CYRIC) at Tohoku University was very important to this project. The authors would like to thank the crew at the TRIGA reactor in Ljubljana for help with irradiations. The authors acknowledge the financial support from the Slovenian Research and Innovation Agency (research core funding No. P1-0135 and project No. J1-3032). Copyright 2025 CERN for the benefit of the ATLAS Collaboration. Reproduction of this article or parts of it is allowed as specified in the CC-BY-4.0 license. Funding text 2 This work was supported by the Canada Foundation for Innovation and the Natural Sciences and Engineering Research Council of Canada ; the Spanish R&D grant PID2021-126327OB-C22 , funded by MCIN/AEI/10.13039/501100011033/FEDER, UE ; the US Department of Energy , grant DE-SC0010107 ; the European Structural and Investment Funds and the Ministry of Education, Youth and Sports of the Czech Republic via projects LM2023040 CERN-CZ , and FORTE - CZ.02.01.01/00/22_008/0004632 . In keeping the research program move forward, the Cyclotron Radio Isotope Center (CYRIC) at Tohoku University was very important to this project. The authors would like to thank the crew at the TRIGA reactor in Ljubljana for help with irradiations. The authors acknowledge the financial support from the Slovenian Research and Innovation Agency (research core funding No. P1-0135 and project No. J1-3032).Peer reviewedElsevierDepartment of Energy (US)Ministry of Education, Youth and Sports (Czech Republic)Slovenian Research AgencyNatural Sciences and Engineering Research Council of CanadaSwedish Research Council for Health, Working Life and Welfare0000-0002-3780-17550000-0002-9271-71260000-0003-0154-43280000-0001-9612-49880000-0001-6215-33260000-0003-1545-08750000-0003-1277-25960000-0002-6719-97260000-0003-0728-18050000-0002-4170-85370000-0003-0494-6728Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202620262025info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/420673https://api.elsevier.com/content/abstract/scopus_id/105008215293reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)Inglés#PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE##PLACEHOLDER_PARENT_METADATA_VALUE#info:eu-repo/grantAgreement/DE-SC0010107//info:eu-repo/grantAgreement/LM2023040 CERN-CZ//info:eu-repo/grantAgreement/P1-0135/J1-3032/info:eu-repo/grantAgreement/AEI/Plan Estatal de Investigación Científica y Técnica y de Innovación 2021-2023/PID2021-126327OB-C22info:eu-repo/grantAgreement/CZ.02.01.01/00/22_008Nuclear Instruments and Methods in Physics Research Section A Accelerators Spectrometers Detectors and Associated Equipmenthttps://doi.org/10.1016/j.nima.2025.170713Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/4206732026-05-22T06:33:51Z
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