Short Presentation

[LEDIA-SP-12] Fabrication and Evaluation of Low-B Composition and High Crystallinity BGaN Neutron Detectors for Nuclear Reactor

*Ryohei Kubo¹, Tatsuhiro Sakurai¹, Eito Kokubo², Seiya Kawasaki², Katsuyuki Takagi³, Junichi Nishizawa³, Tetsuichi Kishishita⁴, Yoshinori Sakurai⁵, Hiroshi Yashima⁵, Takahiro Makino⁶, Takeshi Ohshima⁶, Yoshio Honda⁷, Hiroshi Amano⁷, Yoku Inoue¹, Toru Aoki³, Takayuki Nakano^1,3 (1. Graduate School of Integrated Science and Technology, Shizuoka University, 2. Graduate School of Integrated Science and Technology, Nagoya University, 3. Research Institute of Electronics, Shizuoka University, 4. High Energy Accelerator Research Organization (KEK), 5. Institute for Integrated Radiation and Nuclear Science, Kyoto University, 6. National Institutes for Quantum Science and Technology (QST), 7. Institute of Materials and System for Sustainability, Nagoya University)

BGaN detectors, which are expected to be used for nuclear instrumentation system, demand high temperature and high radiation tolerance. In this study, BGaN with low B composition and high crystallinity were used to improve the characteristics for high tolerance BGaN detectors. The improved detection properties were confirmed in devices using BGaN with a BN mole fraction of 0.45%.