Abstract
This paper presents the results of an investigation of the spectrometric characteristics of natural diamond radiation detectors for heavy ion registration. Spectrometric diamond radiation detectors were initially tested by alpha-particles irradiation from a 238Pu-source, showing that the energy resolution for 5.5 MeV α-particles is in the range 2–10%. Then the same detectors were studied under 13C, 180Hf and 238U ion irradiation, with ion energies of 12–38 MeV. The results were compared with those from a standard Si-based spectrometric radiation detector. The results confirm that diamond most closely satisfies the requirements of scientific and applied applications involving high-energy heavy ions. Some technical improvements to the spectrometric diamond radiation detectors (such as further processing of diamond films, a better choice of the irradiated contact material and type of housing) would allow them to exceed the quality of silicon detectors for nuclear applications and the spectrometry of heavy ions.
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