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Ultrahigh vacuum STM studies of the Bi–O surface of Bi2212

Published online by Cambridge University Press:  31 January 2011

Kazuto Ikeda
Affiliation:
Superconductivity Research Laboratory, International Superconductivity Technology Center, 1-10-13 Shinonome, Koto-Ku, Tokyo 135, Japan
Kenshi Takamuku
Affiliation:
Superconductivity Research Laboratory, International Superconductivity Technology Center, 1-10-13 Shinonome, Koto-Ku, Tokyo 135, Japan
Koji Yamaguchi
Affiliation:
Superconductivity Research Laboratory, International Superconductivity Technology Center, 1-10-13 Shinonome, Koto-Ku, Tokyo 135, Japan
Rittaporn Itti
Affiliation:
Superconductivity Research Laboratory, International Superconductivity Technology Center, 1-10-13 Shinonome, Koto-Ku, Tokyo 135, Japan
Naoki Koshizuka
Affiliation:
Superconductivity Research Laboratory, International Superconductivity Technology Center, 1-10-13 Shinonome, Koto-Ku, Tokyo 135, Japan
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Abstract

Observations of the Bi–O surface of superconductive Bi2212 single crystals were carried out using an ultrahigh-vacuum scanning tunneling microscope (UHV-STM). In the atomic resolution images, surface corrugations, which correspond to the superstructure of the Bi–O surface in addition to Bi atom deficiencies, were observed. There were hollow lines along the ridges of the corrugations, which may be due to missing atom rows.

Type
Articles
Copyright
Copyright © Materials Research Society 1992

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