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Proceedings Paper

LT-STM/STS observation of definite superconducting gap states on the multistage crystal surface of Bi2Sr2CaCu2O8+X
Author(s): Hironaru Murakami; Ryzo Aoki
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Paper Abstract

Low temperature STM/STS observations have been carried out on cleaved BSCCO crystal surfaces. We have succeeded in detection of a special layer, probably a CuO2 or Ca layer exposed on the surface. The STS spectrum which was reproducibly observed on this special site shows a considerably anisotropic but distinct superconducting gap structure with a definite and flat gap bottom region. This gap structure shows significantly different characteristic from another gap structure observed on the BiO layer, which shows a rounded shape at the gap bottom region without any indication of a finite gap state.

Paper Details

Date Published: 10 June 1996
PDF: 10 pages
Proc. SPIE 2696, Spectroscopic Studies of Superconductors, (10 June 1996); doi: 10.1117/12.241797
Show Author Affiliations
Hironaru Murakami, Osaka Univ. (Japan)
Ryzo Aoki, Osaka Univ. (Japan)

Published in SPIE Proceedings Vol. 2696:
Spectroscopic Studies of Superconductors
Ivan Bozovic; Dirk van der Marel, Editor(s)

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