Improvement of SOI microdosimeter performance using pulse-shape discrimination techniques

The timing properties of a silicon-on-insulator microdosimeter for medical and space applications have been studied using an ion microprobe. These measurements were used with a pulse-shape discrimination technique to render the microdosimeter insensitive to ion strikes outside the ideal sensitive vo...

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Bibliographic Details
Published in:IEEE transactions on nuclear science 2002-12, Vol.49 (6), p.2805-2809
Main Authors: Cornelius, I., Rosenfeld, A., Siegele, R., Cohen, D.
Format: Article
Language:English
Subjects:
Aerospace electronics
Australia
Charge
Collection
Diodes
Discrimination
Energy measurement
Gaussian
Medical treatment
Microdosimeters
Physics
Pulse measurements
Radiation detectors
Silicon
Space applications
Strikes
Time measurements
Volume measurement
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Summary:The timing properties of a silicon-on-insulator microdosimeter for medical and space applications have been studied using an ion microprobe. These measurements were used with a pulse-shape discrimination technique to render the microdosimeter insensitive to ion strikes outside the ideal sensitive volume. These improvements have resulted in a microdosimeter with a cubic sensitive volume with dimensions 10/spl times/10/spl times/10 /spl mu/m/sup 3/, a charge collection spectrum close to Gaussian for a monoenergetic source, and a decreased sensitivity to radiation damage.
ISSN:0018-9499
1558-1578
DOI:10.1109/TNS.2002.805411