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Solid C60 – How we Found It

Published online by Cambridge University Press:  28 February 2011

Donald R. Huffman
Affiliation:
Department of Physics, University of Arizona, Tucson, AZ 85721
Wolfgang Krätschmer
Affiliation:
Max-Planck-Institut für Kernphysik, 6900 Heidelberg, PO Box 103980, Germany
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Abstract

In May of 1990, crystals of a new form of carbon were observed crystallizing from a solution of the newly-produced macroscopic quantities of fullerene molecules. This discovery followed many years of work we had done in producing and measuring the optical properties of small particles of graphitic carbon, a work which was aimed, in part, at a better understanding of the various spectral features of interstellar material. Among three distinctly different types of carbon particulates, distinguished by their differing ultraviolet and Raman spectra, was one that later proved to contain macroscopic quantities of C60 and C70. Evidence for fullerenes came from mass spectra, infrared spectra, and X-ray and electron diffraction. More, recent experiments with our collaborators have included scanning tunneling microscopy and gas phase emission spectroscopy in the infrared. At the moment, there is no obvious connection with interstellar spectral features.

Type
Research Article
Copyright
Copyright © Materials Research Society 1991

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