Material properties and device performance of CdSe radiation detectors

Maojun Sun, Deng Zhao, Ziang Yin, Fan Yang, Wanqi Jie, Tao Wang

Research output: Contribution to journalArticlepeer-review

12 Scopus citations

Abstract

CdSe single crystals are considered as promising candidates for radiation detectors, however, the progress is limited by the fabrication of high-quality CdSe single crystals. Herein, we reported a CdSe-based radiation detector, exhibiting superior detection performance for α-particles and γ-rays. The FWHM of the X-ray rocking curve of CdSe (100) plane was determined to 0.03°. The as-grown CdSe single crystal exhibited a high room-temperature resistivity of 1.83×109Ω cm. Moreover, the detector exhibited an energy resolution of ∼13.22% and ∼11.21% for α-particles and γ-rays, respectively. The hole mobility-lifetime product (μτ(h)) in experimental of the detector up to 2.20 × 10−4 cm2 V−1 was reported by using the Hecht equation.

Keywords

  • Cadmium selenium (CdSe)
  • Nuclear radiation detector
  • α-particles
  • γ-rays

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