Alkali Metal Fullerides: Structural and electronic properties in comparison with previous classes of molecular conductors

Rosseinsky, Matthew J.

doi:10.1007/978-94-011-0984-0_14

Cited by 2 publications

(1 citation statement)

References 64 publications

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“…This led presumably to an overestimate of the energies of the K vibrations. From a structure analysis it is known that the octahedral site is so large that the K(2) atom shows a very large temperature factor, which indicates static or dynamic disorder, resulting in displacement of the K(2) atom away from the centre of the octahedral site (Rosseinsky 1994). Therefore, it has to be expected that the K(2) vibrations are quite low in energy, i.e.…”

Section: Intermolecular and Dopant Vibrationsmentioning

confidence: 99%

Neutron studies of vibrations in fullerenes

Pintschovius

1996

Rep. Prog. Phys.

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Fullerenes are a remarkable new family of carbon phases in which the carbon atoms form closed cages weakly bounded to each other by van der Waals forces. Unique information about the motions of the molecules as a whole as well as about the atomic on-cage vibrations is obtained from inelastic neutron scattering experiments. The results are interesting both on their own for what they tell us about the binding properties of these compounds and, more generally, for the fact that fullerenes are prototypical examples of molecular solids. In particular, solid C 60 has extremely interesting properties as the molecules are more nearly spherical than in any other molecular solid.In the first section of this review, the structure of the most important members of the fullerene family is described. Then, an introduction is given into the field of vibrational properties and the experimental techniques used in this field are briefly presented. This is followed by a detailed discussion of the experimental results and their implications for our understanding of the intramolecular and intermolecular binding forces.

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Section: Intermolecular and Dopant Vibrationsmentioning

confidence: 99%

Neutron studies of vibrations in fullerenes

Pintschovius

1996

Rep. Prog. Phys.

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“In-Situ Raman Spectroscopy of Electronic Processes in Fullerene Thin Films

Phelan¹,

O’Connell²,

Farrell³

et al. 2002

MRS Proc.

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The current voltage characteristics of C60 thin film sandwich structures fabricated by vacuum deposition on indium tin oxide (ITO) with an aluminium top electrode are presented and discussed. A strongly non-linear behavior and a sharp increase in the device conductivity was observed at relatively low voltages (∼2V), at both room and low temperatures (20K). At room temperature the system is seen to collapse, and in situ Raman measurements indicate a solid state reduction of the fullerene thin film to form a polymeric state. The high conductivity state was seen to be stable at elevated voltages and low temperatures. This state is seen to be reversible with the application of high voltages. At these high voltages the C60 film was seen to sporadically emit white light at randomly localized points analogous to the much documented Electroluminescence in single crystals.

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Alkali Metal Fullerides: Structural and electronic properties in comparison with previous classes of molecular conductors

Cited by 2 publications

References 64 publications

Neutron studies of vibrations in fullerenes

Neutron studies of vibrations in fullerenes

“In-Situ Raman Spectroscopy of Electronic Processes in Fullerene Thin Films

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