Encapsulation of Nickel Atom inside Fullerene by Energetic Ion Irradiation

Tatsuya UMAKOSHI; Hiroyasu ISHIDA; Toshiro KANEKO; Rikizo HATAKEYAMA

doi:10.1585/pfr.6.1206015

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Encapsulation of Nickel Atom inside Fullerene by Energetic Ion Irradiation

Tatsuya UMAKOSHI, Hiroyasu ISHIDA, Toshiro KANEKO, Rikizo HATAKEYAMA

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Keywords: plasma ion irradiation, nickel endohedral fullerene, sputtering, electron cyclotron resonance discharge, optical emission spectrometry

JOURNAL FREE ACCESS

2011 Volume 6 Pages 1206015

DOI https://doi.org/10.1585/pfr.6.1206015

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Abstract

Nickel ions generated by sputtering with argon plasma are irradiated to fullerene C₆₀, and the possibility of synthesizing nickel atom endohedral fullerene is demonstrated. The mass spectra of the samples analyzed by laser desorption/ionization mass spectrometry are similar to a calculated isotope distribution ratio of the nickel atom endohedral fullerene. The optimum ion irradiation energy is approximately 35 eV, which corresponds to the energy expected by the molecular dynamics simulations.

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