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Abstract: The observation of a stable doublet pattern in the field-emission electronmicroscopy of a linear atomic chain requires a stable mechanism breaking theaxial symmetry, which is not identified correctly by Mikhailovskij et al.Phys. Rev. B 80, 165404 2009. Using microscopic calculations, we attributethe observed pattern to the symmetry breaking produced by the ligand where thechain is attached, plus carbon pi-bonding alternation.



Autor: Nicola Manini, Giovanni Onida

Fuente: https://arxiv.org/



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