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The University Of Surrey

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Also, projects on development of new semiconductor<br />

radiation detectors such as:<br />

– New high-Z materials for gamma-ray detection<br />

such as the ‘orange’ (TlBr) semiconductor KRS5<br />

– Silicon Carbide α particle detectors for dosimetry<br />

applications in harsh environments<br />

TlBr<br />

Counts (a.u.)<br />

140<br />

120<br />

100<br />

80<br />

60<br />

40<br />

190 K 210 K<br />

230 K<br />

250 K<br />

270 K<br />

300 K<br />

Reverse bias: 0 V<br />

∆d~10µm.<br />

20<br />

KRS-5 a new high-Z material<br />

for gamma ray detection<br />

0<br />

0 100 200 300 400 500 600 700<br />

Energy (keV)<br />

SiC alpha spectra at zero bias

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