In 2002, 200 kV heavy ion accelerator was operated for 1 300 h for the study on ion implantation modification. The improvement and maintenance of the accelerator were made. 4 species of ion beams(C+, N+, P+ and Fe+) w...In 2002, 200 kV heavy ion accelerator was operated for 1 300 h for the study on ion implantation modification. The improvement and maintenance of the accelerator were made. 4 species of ion beams(C+, N+, P+ and Fe+) were provided.The main experiments are .is follows.1. Synthesis of C-N compounds by high-energy heavy ion irradiation.Diamond-like carbon thin film and graphite carbon samples were implanted with N+ ion beams at room temperature. The energy of implanted ion is 120 keV and 100 keV. The dosage range is from 5×1017 to展开更多
文摘In 2002, 200 kV heavy ion accelerator was operated for 1 300 h for the study on ion implantation modification. The improvement and maintenance of the accelerator were made. 4 species of ion beams(C+, N+, P+ and Fe+) were provided.The main experiments are .is follows.1. Synthesis of C-N compounds by high-energy heavy ion irradiation.Diamond-like carbon thin film and graphite carbon samples were implanted with N+ ion beams at room temperature. The energy of implanted ion is 120 keV and 100 keV. The dosage range is from 5×1017 to
