Inherent Inhomogeneities in Tunneling Spectra of BSCCO Crystals in the Superconducting State

Abstract

Scanning Tunneling Spectroscopy on cleaved BSCCO(2212) single crystals reveal inhomogeneities on length-scales of $\sim$30 $\mathring{A}$. While most of the surface yields spectra consistent with a d-wave superconductor, small regions show a doubly gapped structure with both gaps lacking coherence peaks and the larger gap having a size typical of the respective pseudo-gap for the same sample.

4 pages, 4 figures

Cited by in corpus (163)

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