Statistical correlations on the BiO surface in Bi2Sr2CaCu2O8-x single crystals

A. Chang, Yu M. Ivanchenko, Z. Y. Rong, E. L. Wolf

Research output: Contribution to journalArticle

Abstract

Low temperature scanning tunneling microscope techniques are applied to study statistical properties of the BiO plane in 2212 high-Tc single crystals. The correlation functions of height deviations in x and k -spaces have been numerically obtained. Long range power law correlations have been found and attributed to half lattice cell jumps of known height in the c direction. Analysis of the correlation function in k-space reveals two modulating superstructures in the b direction. The most pronounced structure is the well known superstructure with period a1 ≈ 27 Å. The other one has period a2 ≈ 58 Å which is a little more than twice the period of the main superstructure.

Original languageEnglish (US)
Pages (from-to)L504-L508
JournalSurface Science
Volume274
Issue number1
DOIs
StatePublished - Jul 15 1992

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

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