Abstract
The influence of the thickness of an oriented carbyne film on the conductance of a special sample was investigated with an electric field of up to 1.8 ⋅ 106 V/cm applied transverse to the carbon chains. A steplike dependence of the conductance on the thickness was observed. The general shape of the current-voltage characteristics, I ∝ U 2.3, changes to I ∝ U 2 when the thickness corresponding to a rapid change of conductance is attained. The characteristics presumably correspond to the space-charge limited current in the presence or absence of the trap band within the carbyne band gap. We propose the formation of a charge-topological soliton lattice at “magic” thicknesses which results in a layered structure of the film and in a bandlike conduction transverse to the chains.
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Prazdnikov, Y.E., Lepnev, L.S., Bozhko, A.D. et al. Conductance Spectra of Carbyne Transverse to Carbon Chains. Is It Related to the Soliton Lattice?. J Russ Laser Res 26, 245–251 (2005). https://doi.org/10.1007/s10946-005-0017-1
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DOI: https://doi.org/10.1007/s10946-005-0017-1