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Title: Neutral C60 effusive source for atomic collisions with fullerene
Authors: Lobo, R.F.M.
Silva, N. T.
Issue Date: Aug-2001
Publisher: American Institute of Physics
Abstract: A neutral C60 effusive source was assembled in a crossed molecular-beam apparatus in order to perform atom–molecule electron transfer collisions and its calibration by time-of-flight mass spectrometry. This source consists of a stainless-steel oven where the C60 sublimation takes place. Typical operation temperatures are in the range of 723 up to 888 K. Through this setup the study of the ion pair formation process K C60→K C60 where K is a potassium atom can be performed in a wide range of collision energies 10 up to 500 eV . The results show evidence of negative ion formation being the ratio of intensities between the parent ion and fragment ions clearly dependent on the collision energy used.
Description: Review of scientific instruments, Vol.72, Nº9
ISSN: 0034-6748
Appears in Collections:FCT: DF - Artigos em revista internacional com arbitragem científica

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