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Abstract <p>The results of a study of deuterium ion saturation of a textured polycrystalline diamond target are presented. Deuterium implantation into a polycrystalline diamond target was carried out by a deuterium ion beam at the HELIS accelerator (LPI RAS) at a deuterium ion energy of 25 keV and a beam current of 30–35&#xa0;µA. Fast neutrons formed in the reaction of deuterium nuclei synthesis in the target were detected. Neutron registration was carried out by scintillation detectors with organic crystals. The calibration of the scintillation detectors was performed using an ING-061 neutron generator. During the experiments, several sessions of irradiation of the polycrystalline diamond target with a beam of deuterium ions were carried out. The yield of neutrons from the target was recorded depending on the irradiation time and the time between irradiation sessions. A simulation of the passage of deuterium ions in diamond was carried out. According to the experimental results, taking into account the calculations of the energy of deuterium ions and the cross section of the nuclear reaction (<i>d</i> + <i>d</i>), depending on the depth of deuterium passage into the target, the values of deuterium concentration in the surface layer of the polycrystalline diamond target were obtained.</p>

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Investigation of Deuterium Saturation of a Polycrystalline Diamond Target at the HELIS Ion Accelerator

  • 期刊论文

  • 发表日期：

    2025年10月1日

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  • M. A. Kirsanov,
  • S. G. Klimanov,
  • M. A. Negodaev,
  • S. A. Movchun

摘要

Abstract

The results of a study of deuterium ion saturation of a textured polycrystalline diamond target are presented. Deuterium implantation into a polycrystalline diamond target was carried out by a deuterium ion beam at the HELIS accelerator (LPI RAS) at a deuterium ion energy of 25 keV and a beam current of 30–35 µA. Fast neutrons formed in the reaction of deuterium nuclei synthesis in the target were detected. Neutron registration was carried out by scintillation detectors with organic crystals. The calibration of the scintillation detectors was performed using an ING-061 neutron generator. During the experiments, several sessions of irradiation of the polycrystalline diamond target with a beam of deuterium ions were carried out. The yield of neutrons from the target was recorded depending on the irradiation time and the time between irradiation sessions. A simulation of the passage of deuterium ions in diamond was carried out. According to the experimental results, taking into account the calculations of the energy of deuterium ions and the cross section of the nuclear reaction (d + d), depending on the depth of deuterium passage into the target, the values of deuterium concentration in the surface layer of the polycrystalline diamond target were obtained.