The Effect of Magnetic Field on Readout of Diodes Used as NIEL Counters

Voltage measurement at a given forward current in dedicated dosimetric diodes is used to monitor displacement damage in silicon caused by energetic hadrons in the LHC experiments. The diodes operate in a strong magnetic field which influences their performance. In this work, measurements of the effe...

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Bibliographic Details
Published in:IEEE transactions on nuclear science 2011-06, Vol.58 (3), p.1112-1116
Main Authors: Mandic, I, Ravotti, F, Glaser, M, Sersa, I, Hartert, J, Franz, S, Cindro, V, Dolenc, I, Gorisek, A, Kramberger, G, Mikuz, M
Format: Article
Language:English
Subjects:
Accelerators
Damage
Detectors
Deterioration
Diodes
Displacement
dosimetry
Hadrons
magnetic field effects
Magnetic fields
Magnetosphere
Monitoring
Monitors
Neutrons
P-i-n diodes
Saturation magnetization
Silicon
Superconducting magnets
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Summary:Voltage measurement at a given forward current in dedicated dosimetric diodes is used to monitor displacement damage in silicon caused by energetic hadrons in the LHC experiments. The diodes operate in a strong magnetic field which influences their performance. In this work, measurements of the effect of the magnetic field on two types of devices: high sensitivity CMRP diodes and commercial BPW34F silicon p-i-n diodes are presented. Our results show that the magnetic field effects are manageable and will not significantly deteriorate the performance of the displacement damage measurements.
ISSN:0018-9499
1558-1578
DOI:10.1109/TNS.2010.2097277