Abstract
The large recoil energies offered by the heavy ion nuclear reactions were used to implant the100Pd(3.6 d) activity into different host matrices. The sources thus prepared were found to have good strengths and small background activities. The yields were quite high ∼3μCi/1μAh beam current of12C4+ and the efficiencies of implantation were in the range 60–70%. The difference in the recoil energies of the target and the catcher may be used to reduce activities due to unwanted nuclear reactions in the catcher foil. Using this method, we were able to prepare excellent sources of100Pd in Be, Mg, Ti, Zr and Re hosts. The quality of these sources is comparable to that of the100PdBe ion implanted sources for which data are available in the literature.
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