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Semiconductor Thermal Neutron Detector
Authors
Aki Miyake
Akifumi Koike
+4 more
Hidenori Mimura
Hisashi Morii
Takayuki Nakano
Toru Aoki
Publication date
24 February 2014
Publisher
Directorate of Research and Community Engagement, Universitas Indonesia
Abstract
The CdTe and GaN detector with a Gd converter have been developed and investigated as a neutron detector for neutron imaging. The fabricated Gd/CdTe detector with the 25 mm thick Gd was designed on the basis of simulation results of thermal neutron detection efficiency and spatial resolution. The Gd/CdTe detector shows the detection of neutron capture gamma ray emission in the 155Gd(n, g)156Gd, 157Gd(n, g)158Gd and 113Cd(n, g)114Cd reactions and characteristic X-ray emissions due to conversion-electrons generated inside the Gd film. The observed efficient thermal neutron detection with the Gd/CdTe detector shows its promise in neutron radiography application. Moreover, a BGaN detector has also investigated to separate neutron signal from gamma-ray clearly. Keywords: detector, neutron, semiconductor, therma
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MAKARA Journal of Technology
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Last time updated on 09/04/2020