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Electronic structure of carbyne studied by X-ray photoelectron spectroscopy and X-ray emission spectroscopy |
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| Authors: | Yu.P. Kudryavtsev E.M. Baytinger F.F. Kugeev Yu.V. Korshak S.E. Evsyukov |
| Affiliation: | The A.N. Nesmeyanou Institute of Organoelement Compounds, U.S.S.R. Academy of Sciences, Moscow U.S.S.R. Department of Physics, Chelyabinsk State Pedagogical Institute, Chelyabinsk U.S.S.R. The A.V. Topchiev Institute of Petrochemical Synthesis, U.S.S.R. Academy of Sciences, Moscow U.S.S.R. |
| Abstract: | The electronic structure of amorphous carbyne has been investigated by X-ray photoelectron spectroscopy and X-ray emission spectroscopy. Carbyne band structure has been calculated semiempirically and the experimental data have been interpreted on the basis of the calculation results. The valence band width was found to be about 20 eV which is the same as that in all other condensed carbon structures. The fine satellite structure near the 1s line of carbon has been studied. It is shown that the energy bands in carbyne are arranged in a mirror-like way relative to the Fermi level. The real carbyne structure is susceptible to conformations which affect primarily the π-subband structure. |
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