Improvement of SOI microdosimeter performance using pulse-shape discrimination techniques

Authors

I. Cornelius, University of WollongongFollow
Anatoly B. Rosenfeld, University of WollongongFollow
R. Siegele, ANSTO, Australia
D. D. Cohen, ANSTO, Australia

RIS ID

7620

Publication Details

This article was originally published as: Cornelius, I, Rosenfeld, A, Siegele, R and Cohen, DD, Improvement of SOI microdosimeter performance using pulse-shape discrimination techniques, IEEE Transactions on Nuclear Science, December 2002, 49(6), 2805-2809. Copyright IEEE 2002.

Abstract

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.