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| 001 | 322130 | ||
| 005 | 20211110141639.0 | ||
| 024 | 7 | _ | |a 10.3204/PUBDB-2017-02889 |2 datacite_doi |
| 037 | _ | _ | |a PUBDB-2017-02889 |
| 088 | 1 | _ | |a DESY-THESIS-2017-022 |
| 088 | _ | _ | |a DESY-THESIS-2017-022 |2 DESY |
| 100 | 1 | _ | |a Kopsalis, Ioannis |0 P:(DE-H253)PIP1017610 |b 0 |e Corresponding author |g male |
| 245 | _ | _ | |a Surface Effects in Segmented Silicon Sensors |f 2013-09-01 - 2017-02-16 |
| 260 | _ | _ | |a Hamburg |c 2017 |b Verlag Deutsches Elektronen-Synchrotron |
| 300 | _ | _ | |a 190 |
| 336 | 7 | _ | |a Output Types/Dissertation |2 DataCite |
| 336 | 7 | _ | |a Book |0 PUB:(DE-HGF)3 |2 PUB:(DE-HGF) |m book |
| 336 | 7 | _ | |a DISSERTATION |2 ORCID |
| 336 | 7 | _ | |a PHDTHESIS |2 BibTeX |
| 336 | 7 | _ | |a Thesis |0 2 |2 EndNote |
| 336 | 7 | _ | |a Report |0 PUB:(DE-HGF)29 |2 PUB:(DE-HGF) |m report |
| 336 | 7 | _ | |a Dissertation / PhD Thesis |b phd |m phd |0 PUB:(DE-HGF)11 |s 1503578658_15941 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a doctoralThesis |2 DRIVER |
| 490 | 0 | _ | |a DESY-THESIS |
| 502 | _ | _ | |a Universität Hamburg, Diss., 2017 |c Universität Hamburg |b Dr. |d 2017 |o 2017-02-16 |
| 520 | _ | _ | |a Silicon detectors in Photon Science and Particle Physics require silicon sensors with very demanding specifications. New accelerators like the European X-ray Free Electron Laser (EuXFEL) and the High Luminosity upgrade of the Large Hadron Collider (HL-LHC), pose new challenges for silicon sensors, especially with respect to radiation hardness. High radiation doses and fluences damage the silicon crystal and the SiO2 layers at the surface, thus changing the sensor properties and limiting their life time. Non-Ionizing Energy Loss (NIEL) of incident particles causes silicon crystal damage. Ionizing Energy Loss (IEL) of incident particles increases the densities of oxide charge and interface traps in the SiO2 and at the Si-SiO2 interface. In this thesis the surface radiation damage of the Si-SiO2 system on high-ohmic Si has been investigated using circular MOSFETs biased in accumulation and inversion at an electric field in the SiO2 of about 500 kV/cm. The MOSFETs have been irradiated by X-rays from an X-ray tube to a dose of about 17 kGy(SiO2) in different irradiation steps. Before and after each irradiation step, the gate voltage has been cycled from inversion to accumulation conditions and back. From the dependence of the drain-source current on gate voltage the threshold voltage of the MOSFET and the hole and electron mobility at the Si-SiO2 interface were determined. In addition, from the measured drain-source current the change of the oxide charge density during irradiation has been determined. The interface trap density and the oxide charge has been determined separately using the subthreshold current technique based on the Brews charge sheet model which has been applied for first time on MOSFETs built on high-ohmic Si. The results show a significant field-direction dependence of the surface radiation parameters. The extracted parameters and the acquired knowledge can be used to improve simulations of the surface radiation damage of silicon sensors. |
| 536 | _ | _ | |a 632 - Detector technology and systems (POF3-632) |0 G:(DE-HGF)POF3-632 |c POF3-632 |f POF III |x 0 |
| 650 | _ | 7 | |x Diss. |
| 693 | _ | _ | |a LHC |e LHC: CMS |1 EXP:(DE-588)4398783-7 |0 EXP:(DE-H253)LHC-Exp-CMS-20150101 |5 EXP:(DE-H253)LHC-Exp-CMS-20150101 |x 0 |
| 693 | _ | _ | |a XFEL |e Facility (machine) XFEL |1 EXP:(DE-H253)XFEL-20150101 |0 EXP:(DE-H253)XFEL(machine)-20150101 |5 EXP:(DE-H253)XFEL(machine)-20150101 |x 1 |
| 700 | 1 | _ | |a Garutti, Erika |0 P:(DE-H253)PIP1002535 |b 1 |e Thesis advisor |
| 700 | 1 | _ | |a Klanner, Robert |0 P:(DE-H253)PIP1004006 |b 2 |e Thesis advisor |
| 856 | 4 | _ | |u https://bib-pubdb1.desy.de/record/322130/files/Ioannis_Kopsalis_Dissertation_2017.pdf |y OpenAccess |
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