4.6 Article

Characterization of diamond radiation detector with B-doped/undoped stacked structure

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DIAMOND AND RELATED MATERIALS
卷 136, 期 -, 页码 -

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ELSEVIER SCIENCE SA
DOI: 10.1016/j.diamond.2023.109985

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Polycrystalline diamond; Radiation detector; Boron-doped; Neutron converter

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In this study, a radiation detector made of polycrystalline diamond was characterized by neutron and alpha particle. The detector consisted of a boron-doped/undoped stacked structure, and the alpha particles were irradiated from the B-doped layer side. The results showed that the formation of the B-doped layer modified the band structure at the B-doped/undoped interface, improving signal hole collection.
In this study, a radiation detector made of polycrystalline diamond was characterized by neutron , alpha particle. The detector consisted of a boron (B)-doped/undoped stacked structure, where the alpha particles were irradiated from the B-doped layer side. Radiation signals obtained by the multichannel analyzer were compared , bias dependence was investigated. Results indicate that the formation of the B-doped layer modifies band structure at B-doped/undoped interface, which improving signal hole collection.

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