Stability of clusters of fullerenes

K. Hansen; R. Müller; H. Hohmann; E. E.B. Campbell

doi:10.1007/978-3-642-60854-4_85

Stability of clusters of fullerenes

K. Hansen, R. Müller, H. Hohmann, E. E.B. Campbell

Department of Physics

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

22 Scopus citations

Abstract

We have studied the formation and stability of pure and mixed clusters of C₆₀ and C₆₀/C₇₀ produced in a gas aggregation source. The source yields very smooth abundance distributions indicating an efficient cooling. The stability of the clusters was probed by varying the degree of heating with a XeCl excimer laser (hν < I.P.) followed by single photon ionisation with a F₂ excimer laser. The stability patterns show features related to geometrical packing structures but much stronger than previously seen in cluster spectra. The fragmentation patterns for the mixed clusters indicate that C₆₀ and C₇₀ have similar binding energies in the clusters in contrast to what would be expected from vapour pressure data of macroscopic samples.

Original language	English
Pages (from-to)	361-364
Number of pages	4
Journal	Zeitschrift für Physik D Atoms, Molecules and Clusters
Volume	40
Issue number	1
DOIs	https://doi.org/10.1007/978-3-642-60854-4_85
State	Published - 1997

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abstract = "We have studied the formation and stability of pure and mixed clusters of C60 and C60/C70 produced in a gas aggregation source. The source yields very smooth abundance distributions indicating an efficient cooling. The stability of the clusters was probed by varying the degree of heating with a XeCl excimer laser (hν < I.P.) followed by single photon ionisation with a F2 excimer laser. The stability patterns show features related to geometrical packing structures but much stronger than previously seen in cluster spectra. The fragmentation patterns for the mixed clusters indicate that C60 and C70 have similar binding energies in the clusters in contrast to what would be expected from vapour pressure data of macroscopic samples.",

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AU - Hansen, K.

AU - Müller, R.

AU - Hohmann, H.

AU - Campbell, E. E.B.

PY - 1997

Y1 - 1997

N2 - We have studied the formation and stability of pure and mixed clusters of C60 and C60/C70 produced in a gas aggregation source. The source yields very smooth abundance distributions indicating an efficient cooling. The stability of the clusters was probed by varying the degree of heating with a XeCl excimer laser (hν < I.P.) followed by single photon ionisation with a F2 excimer laser. The stability patterns show features related to geometrical packing structures but much stronger than previously seen in cluster spectra. The fragmentation patterns for the mixed clusters indicate that C60 and C70 have similar binding energies in the clusters in contrast to what would be expected from vapour pressure data of macroscopic samples.

AB - We have studied the formation and stability of pure and mixed clusters of C60 and C60/C70 produced in a gas aggregation source. The source yields very smooth abundance distributions indicating an efficient cooling. The stability of the clusters was probed by varying the degree of heating with a XeCl excimer laser (hν < I.P.) followed by single photon ionisation with a F2 excimer laser. The stability patterns show features related to geometrical packing structures but much stronger than previously seen in cluster spectra. The fragmentation patterns for the mixed clusters indicate that C60 and C70 have similar binding energies in the clusters in contrast to what would be expected from vapour pressure data of macroscopic samples.

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JF - Zeitschrift für Physik D Atoms, Molecules and Clusters

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Stability of clusters of fullerenes

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