On the Vibrational Spectrum of C<sub>60</sub>Measured by Neutron Inelastic Scattering

Coulombeau, C.; Jobic, H.; Carlile, C.J.; Bennington, S. M.; Fabre, Claude; Rassat, A.

doi:10.1080/15363839408009550

Cited by 15 publications

(28 citation statements)

References 28 publications

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“…Hence, the similar intensity of the 708 cm −1 INS peak argues against the existence of both a 5-fold degenerate and a 3-fold degenerate mode at this frequency. Very similar conclusions can be reached from Coulombeau's MARI data [79]. In addition, the higher resolution of this experiment allows the authors to resolve three peaks in the broad structure around 750 cm −1 .…”

Section: Alternative Silent Mode Assignmentssupporting

confidence: 71%

“…The recommended frequencies for several of the modes above 700 cm −1 in Table 4 are somewhat different from those of [71]. The revised frequencies given here are in better agreement with the latest inelastic neutron scattering experiments [40,78,79], as well as with recent optical emission experiments [80].…”

Section: The Assignment Of Active and Silent Modessupporting

confidence: 67%

“…Figures 7 and 8 compare a theoretical prediction based on Table 4 with recent INS data obtained by Coulombeau et al [79]. For this experiment, the authors used the MARI spectrometer at the ISIS pulsed neutron source of the Rutherford Appleton Laboratory, UK.…”

Section: Inelastic Neutron Scatteringmentioning

confidence: 99%

“…8. Experimental inelastic neutron scattering spectrum of C60, showing highenergy modes (circles) [79]. The solid line is a calculated spectrum consisting of a sum of Gaussians centered at the mode frequencies of Table 4 and weighted according to the modes' degeneracies.…”

Section: Inelastic Neutron Scatteringmentioning

confidence: 99%

“…Our assignment of this mode is based on INS data [77,79,102], showing a peak near 840 cm −1 . A peak at 813 cm −1 has also been reported [70].…”

Section: Alternative Silent Mode Assignmentsmentioning

confidence: 99%

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Vibrational spectroscopy of C60

Menéndez¹,

Page²

Topics in Applied Physics

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The fullerene era was started in 1985 with the discovery of the stable C 60 cluster and its interpretation as a cage structure with the familiar shape of a soccer ball [1]. An explosive growth in fullerene research was triggered in 1990 by the development of a method to produce fullerenes in bulk quantities [2]. Subsequently, the structural, electronic, and vibrational properties of many fullerenes have been studied in detail. The importance and potential of this new class of materials is exemplified by the discovery of intermediatetemperature superconductivity in doped C 60 [3]. Carbon nanotubes, a novel form of carbon which combines the properties of graphite and fullerenes, were discovered in 1991 [4]. Because of their intriguing properties and potential for applications, nanotubes are currently the subject of very intense research. Polymerization of C 60 molecules, particularly by photoexcitation [5] but by several other techniques as well, also results in a variety of interesting new structures, which contain both 4-coordinated and 3-coordinated carbon atoms [6]. The burgeoning field of fullerene research has been reviewed by several authors [7][8][9][10][11][12], most notably by Dresselhaus et al. [11] in an extensive monograph that appeared in 1996.In spite of the rapidly increasing interest in new forms of fullerenes, icosahedral C 60 , the "most beautiful molecule" [13], remains the focus of vigorous research as the prototype fullerene system. The present chapter concerns the vibrational structure of C 60 and the efforts to unravel its details using spectroscopic techniques. This remains a work in progress, but we hope to show that a look at the existing body of experimental and theoretical research from the broader perspective of an extended article provides a deeper understanding of the vibrational properties of C 60 .

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Section: Alternative Silent Mode Assignmentssupporting

confidence: 71%

Section: The Assignment Of Active and Silent Modessupporting

confidence: 67%

Section: Inelastic Neutron Scatteringmentioning

confidence: 99%

Section: Inelastic Neutron Scatteringmentioning

confidence: 99%

“…Our assignment of this mode is based on INS data [77,79,102], showing a peak near 840 cm −1 . A peak at 813 cm −1 has also been reported [70].…”

Section: Alternative Silent Mode Assignmentsmentioning

confidence: 99%

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Vibrational spectroscopy of C60

Menéndez¹,

Page²

Topics in Applied Physics

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Fullerenes

Dodziuk

Hara²,

Konno

et al. 2009

Strained Hydrocarbons

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Considerations of the production of C₆₀ thin films by PECVD, combustion, or pyrolysis

Rocabois¹,

Hitchman

Shamlian

1996

Chemical Vapor Deposition

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A short review of CW production methods is first presented with an emphasis on thin tilms for electronic applications. These films are currently made by first producing the fullerene, purifying it and then depositing by different evaporation techniques. Results of an unsuccessful attempt to produce these tilms by PECVD from organic precursors (cyclopentadiene and naphthalene) are reported. An assessment of the available thermodynamic data of gaseous and solid C a is then presented. Gibbs free energy minimization for the gaseous system C-H-0-Ar +He including large polyaromatic hydrocarbons and C a helps to determine under which conditions C a molecules are stable. Finally, in the light of these calculations, the possibility of the direct production of C, films by a continuous process such as combustion or pyrolysis is discussed.

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On the Vibrational Spectrum of C₆₀Measured by Neutron Inelastic Scattering

Cited by 15 publications

References 28 publications

Vibrational spectroscopy of C60

Vibrational spectroscopy of C60

Fullerenes

Considerations of the production of C₆₀ thin films by PECVD, combustion, or pyrolysis

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On the Vibrational Spectrum of C60Measured by Neutron Inelastic Scattering

Cited by 15 publications

References 28 publications

Vibrational spectroscopy of C60

Vibrational spectroscopy of C60

Fullerenes

Considerations of the production of C60 thin films by PECVD, combustion, or pyrolysis

Contact Info

Product

Resources

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On the Vibrational Spectrum of C₆₀Measured by Neutron Inelastic Scattering

Considerations of the production of C₆₀ thin films by PECVD, combustion, or pyrolysis