Scheduled System Maintenance:
On Monday, April 27th, IEEE Xplore will undergo scheduled maintenance from 1:00 PM - 3:00 PM ET (17:00 - 19:00 UTC). No interruption in service is anticipated.
By Topic

Spectroscopic performance of pixellated thallium bromide detectors

Sign In

Cookies must be enabled to login.After enabling cookies , please use refresh or reload or ctrl+f5 on the browser for the login options.

Formats Non-Member Member
$31 $13
Learn how you can qualify for the best price for this item!
Become an IEEE Member or Subscribe to
IEEE Xplore for exclusive pricing!
close button

puzzle piece

IEEE membership options for an individual and IEEE Xplore subscriptions for an organization offer the most affordable access to essential journal articles, conference papers, standards, eBooks, and eLearning courses.

Learn more about:

IEEE membership

IEEE Xplore subscriptions

5 Author(s)
Onodera, T. ; Dept. of Electron., Tohoku Inst. of Technol., Sendai, Japan ; Hitomi, K. ; Shoji, T. ; Hiratate, Y.
more authors

The purpose of this study is to evaluate spectroscopic performance of pixellated thallium bromide (TlBr) radiation detectors. Pixellated TlBr detectors have been fabricated from TlBr crystals grown by the traveling molten zone (TMZ) method with zone-refined materials. Charge transport properties of the crystals were measured by performing the Hecht analysis. The TlBr crystals have exhibited the mobility-lifetime product of around 10-3 cm2/V for electrons, which is three times larger than the previously reported value. The pixellated TlBr detectors with ∼2 mm thickness have 4 pixellated electrodes (0.57 mm × 0.57 mm each) on the anode surface. In order to evaluate the spectroscopic performance, the detectors have been tested with 57Co, 137Cs, and 60Co gamma-ray sources at room temperature. The TlBr detector 1.9 mm thick has demonstrated energy resolutions of 6.7 keV (5.5%) and 22.3 keV (3.4%) for 122 and 662 keV gamma-rays, respectively. Full-energy peaks of 1.17 and 1.33 MeV gamma-rays from the 60Co source have also been detected with the detector.

Published in:

Nuclear Science, IEEE Transactions on  (Volume:52 ,  Issue: 5 )