Proceedings of nanoGe Fall Meeting 2021 (NFM21)
DOI: https://doi.org/10.29363/nanoge.nfm.2021.043
Publication date: 23rd September 2021
Sensitive detection of X-rays, gamma rays, and energetic particles plays a key role in medical imaging, nonproliferation, homeland security, environmental monitoring, and fundamental scientific research. In this presentation, we will summarize the latest progress in the development of perovskite single crystal detectors and report our efforts in developing double perovskites for improved radiation detection. Detailed material characterization and detector tests will be presented and discussed. Examples include Cs2AgBiBr6 single crystals with different stoichiometry. These crystals have some desired characteristics, such as suitable bandgap energy, low density of trap states, low dark carrier concentration, and high mu-tau (μ-τ) product, for ionizing radiation detection applications. The measurement results show that perovskite crystals could serve as an emerging class of radiation detector materials for ionizing radiation detection.
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