A femtosecond laser study of the endohedral fullerenes
Li@C60 and La@C82 |
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| Authors: | A Lassesson K Hansen M Jönsson A Gromov E EB Campbell M Boyle D Pop C P Schulz I V Hertel A Taninaka H Shinohara |
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| Institution: | (1) Department of Physics, Göteborg University, 41296 Göteborg, Sweden;(2) Max-Born-Institut für Nichtlineare Optik und Kurzzeitspektroskopie, Max-Born-Str. 2a, 12489 Berlin, Germany;(3) Department of Chemistry, Nagoya University, 464-8602, Nagoya, Japan |
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| Abstract: | The endohedral fullerenes La@C82 and Li@C60 have been studied in
the gas phase with femtosecond laser excitation. The two molecules show
qualitatively the same behaviour with respect to ion yield vs. pulse energy,
but markedly different fragmentation patterns, with La@C82 fragmenting
via the shrink-wrap mechanism and Li@C60 predominantly losing the metal
atom in the first fragmentation step. The ion yields and electron energy
distributions of La@C82 agree well with a recently developed model
for fs laser ionisation of C60. |
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