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Nanoscale one-dimensional scattering resonances in the CuO chains of YBa(2)Cu(3)O(6+x)
D J Derro1, E W Hudson, K M Lang
1Department of Physics, University of Texas, Austin, TX 78712, USA.
Physical Review Letters
|February 28, 2002
Abstract:
We present scanning tunneling spectroscopy measurements of the CuO chain plane in YBa(2)Cu(3)O(6+x), showing an approximately 25 meV gap in the local density of states (LDOS) filled by numerous intragap resonances: intense peaks in LDOS spectra associated with one-dimensional, Friedel-like oscillations. We discuss how these phenomena shed light on recent results from other probes, as well as their implications for phenomena in the superconducting CuO(2) plane.