Neutral C60 effusive source for atomic collisions with fullerene

R. F. M. Lobo; N. T. Silva

doi:10.1063/1.1396662

Neutral C60 effusive source for atomic collisions with fullerene

R. F. M. Lobo, N. T. Silva

DF – Departamento de Física

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

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.

Original language	English
Pages (from-to)	3505-3506
Number of pages	2
Journal	Review of Scientific Instruments
Volume	72
Issue number	9
DOIs	https://doi.org/10.1063/1.1396662
Publication status	Published - 1 Sep 2001

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10.1063/1.1396662

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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.",

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N2 - 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.

AB - 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.

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Neutral C60 effusive source for atomic collisions with fullerene

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