Abstract
AbstractLinear chains made by a single row of sp‐hybridized carbon are predicted to display fascinating mechano‐electronic properties connected with their termination and stabilization inside realistic carbon structures. The present work describes how the computed vibrational properties of cumulenic and polyynic carbon chains allow one to interpret the carbynic features observed in Raman spectra of cluster‐assembled sp–sp2 films. The overall picture is consistent with the measured decay of the components induced by air or oxygen exposure.magnified image The electronic properties of carbon atomic chains attached to the edges of graphitic fragments can be controlled by a relative twist of the terminating planes.
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