First direct observation of the Van Hove singularity in the tunnelling spectra of cuprates

In two-dimensional (2D) lattices, the electronic levels are unevenly spaced, and the density of states (DOS) displays a logarithmic divergence known as the Van Hove singularity (VHS). This is the case in particular for the layered cuprate superconductors. The scanning tunnelling microscope (STM) pro...

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Bibliographic Details
Main Authors: Piriou, A., Jenkins, N., Berthod, C., Maggio-Aprile, I., Fischer, Ø.
Format: Artigo
Language:Inglês
Published: Nature Publishing Group 2011
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Article
Online Access:https://ncbi.nlm.nih.gov/pmc/articles/PMC3072078/
https://ncbi.nlm.nih.gov/pubmed/21364560
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/ncomms1229
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