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Radiation hardness of Czochralski silicon studied by 10-MeV and 20-MeV protons

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17 Author(s)
Tuominen, E. ; Helsinki Inst. of Phys., Geneva, Switzerland ; Harkonen, J. ; Tuovinen, E. ; Lassila-Perini, K.
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We have processed pin-diodes on Czochralski silicon (Cz-Si), standard float zone silicon (Fz-Si), and diffusion oxygenated float zone silicon (DOF) and irradiated them with 10- and 20-MeV protons. Evolutions of depletion voltage and leakage current as a function of irradiation dose were measured. Space charge sign inversion (SCSI) was investigated by an annealing study and verified by transient current technique (TCT). Czochralski silicon was found to be significantly more radiation hard than the other materials.

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Nuclear Science, IEEE Transactions on  (Volume:50 ,  Issue: 6 )