Compound geometric resonances in Bi2Sr2CaCu2Ox single crystals

Jin Xiang Liu, Stephen W. Pierson, G. C. Spalding, Ji Chun Wan, A. M. Goldman

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Single crystals of Bi2Sr2CaCu2Ox with transition temperatures of 85 K have been studied using a low temperature scanning tunneling microscope. Spectra of very weakly coupled point contact configuration have been obtained and reproducible periodic conductance structures in the bias voltage have been found. A model based on geometrical resonances in superconducting superlattice is proposed and found to provide a satisfactory explanation of the data.

Original languageEnglish (US)
Pages (from-to)2233-2234
Number of pages2
JournalPhysica B: Physics of Condensed Matter
Issue numberPART 2
StatePublished - Feb 2 1994

Bibliographical note

Funding Information:
The density of states of a superlattice can be written in the following form (4): * Supported in part by the National Science Foundation under Grant NSF/DMR-8908094. + Present address: Shell Development Company, 3737 Belaire Blvd., Houston, TX 77025


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