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Author (down) Alcalde Bessia, F.; Flandre, D.; André, N.; Irazoqui, J.; Pérez, M.; Gómez Berisso, M.; Lipovetzky, J. url  doi
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  Title Fully-Depleted SOI MOSFET Sensors in Accumulation Mode for Total Dose Measurement Type Conference Article
  Year 2018 Publication 2018 IEEE Nuclear Science Symposium and Medical Imaging Conference Proceedings (NSS/MIC) Abbreviated Journal 2018 IEEE Nuclear Science Symposium and Medical Imaging Conference Proceedings (NSS/MIC)  
  Volume Issue Pages 1-3  
  Keywords dosimeters; dosimetry; linear accelerators; Mosfet; radiation therapy; silicon-on-insulator; fully-Depleted SOI MOSFET sensors; accumulation mode; Fd-Soi; Elekta Synergy radiotherapy linear accelerator; buried oxide; radiation dosimeters; Total Ionizing Dose measurement; fully Depleted Silicon-on-Insulator transistors; Université Catholique de Louvain; I-V curves; BOX back-gate transistors; Transistors; Sensitivity; Logic gates; Radiation effects; Threshold voltage; Voltage measurement; Annealing; Radiation Dosimeter; Soi  
  Abstract Fully Depleted Silicon-on-Insulator (FD-SOI) transistors fabricated with a custom process in Université Catholique de Louvain (UCL) were irradiated with X-rays using an Elekta Synergy radiotherapy linear accelerator. I-V curves of FD-SOI are sensitive to charges produced in the buried oxide (BOX) by ionizing radiation, so it is possible to use these devices as radiation dosimeters. In this work, we evaluated the use of thick BOX back-gate transistors for Total Ionizing Dose (TID) measurement using different bias conditions and we obtained a maximum sensitivity of 191 mV/Gy for devices operating in accumulation mode.  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title 2018 IEEE Nuclear Science Symposium and Medical Imaging Conference Proceedings (NSS/MIC)  
  Series Volume Series Issue Edition  
  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number BT @ pedrazp @ Serial 839  
Permanent link to this record
 

 
Author (down) Alcalde Bessia, F.; Flandre, D.; André, N.; Irazoqui, J.; Pérez, M.; Gómez Berisso, M.; Lipovetzky, J. url  doi
openurl 
  Title Ultra Low Power Ionizing Dose Sensor Based on Complementary Fully Depleted MOS Transistors for Radiotherapy Application Type Journal Article
  Year 2019 Publication IEEE Transactions on Nuclear Science Abbreviated Journal IEEE Transactions on Nuclear Science  
  Volume Issue Pages 1-1  
  Keywords Transistors; Temperature measurement; Voltage measurement; Threshold voltage; Radiation effects; Current measurement; Semiconductor device measurement; Silicon radiation detectors; Ionizing radiation sensors; Silicon-on-insulator  
  Abstract We evaluate the use of the thick buried oxide (BOX) of Fully Depleted Silicon-on-Insulator (FD-SOI) transistors for Total Ionizing Dose (TID) measurements in a radiotherapy application. The devices were fabricated with a custom process in UniversitC) Catholique de Louvain (UCL) which allows to make accumulation mode PMOS transistors and inversion mode NMOS transistors. We characterized the temperature behavior of these devices and the response under X-ray radiation produced by an Elekta radiotherapy linear accelerator, and compared the obtained dose sensitivity to other published works. Taking advantage of these devices, an ultra low power MOS ionizing dose sensor, or MOS dosimeter, with inherent temperature compensation is presented. This dosimeter achieved a sensitivity of 154 mV/Gy with a temperature error factor of 13 mGy/°C and a current consumption below 1 nA.  
  Address  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number BT @ pedrazp @ Serial 841  
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