Compound geometric resonances in Bi sub(2)Sr sub(2)CaCu sub(2)O sub(x) single crystals

Compound geometric resonances in Bi sub(2)Sr sub(2)CaCu sub(2)O sub(x) single crystals

Single crystals of Bi sub(2)Sr sub(2)CaCu sub(2)O sub(x) with transition temperatures of 85 K have been studied using a low temperature scanning tunneling microsope. Spectra of very weakly coupled point contact configuration have been obtained and reproducible periodic conductance structures in the...

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Veröffentlicht in:Physica. B, Condensed matter Condensed matter, 1994-01, Vol.194-96, p.2233-2234
Hauptverfasser: Liu, Jin-Xiang, Pierson, Stephen W, Spalding, G C, Wan, Ji-Chun, Goldman, A M
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Sprache:eng
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Zusammenfassung:Single crystals of Bi sub(2)Sr sub(2)CaCu sub(2)O sub(x) with transition temperatures of 85 K have been studied using a low temperature scanning tunneling microsope. 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.
ISSN:0921-4526