Detector Recovery/Improvement via Elevated-Temperature-Annealing (DRIVE) --- a New Approach for Si Detector Applications in High Radiation Environment in SLHC

Z Li,J Harkonen,V Eremin,E Tuovinen,E Verbitskaya,P Luukka,A Ivanov

doi:10.1109/nssmic.2005.1596445

Detector Recovery/Improvement via Elevated-Temperature-Annealing (DRIVE) --- a New Approach for Si Detector Applications in High Radiation Environment in SLHC

Z Li, J Harkonen + Show 5 more

https://doi.org/10.1109/nssmic.2005.1596445

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Publication Date: Jan 1, 2005

Citations: 1

Affiliation: Brookhaven National Laboratory, Ioffe Institute, Helsinki Institute of Physics, University of Helsinki

#Si Detector #Detector Leakage Current + Show 8 more

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Abstract

A new approach to improve Si detector radiation hardness/tolerance, termed as DRIVE (detector recovery/improvement via elevated-temperature-annealing), has been realized by annealing of oxygen-rich (magnetic CZ, MCZ), proton-irradiated Si detectors (with negative space charge before annealing) at medium temperature for a few hours. The DRIVE approach has been proved to lead to the dramatic decrease in detector leakage current, decrease in detector negative space charge concentration, and an eventual space charge sign inversion from negative to positive. Defect studies have shown significant reduction in overall defect concentrations after annealing

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