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Low temperature STM/STS measurements on c-axis oriented Y1Ba2Cu4O8 superconductive films

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Advances in Superconductivity VII

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Abstract

High quality laser-ablated YlBa2Cu4O8 films are investigated using a low temperature ultra-high vacuum STM/STS system at room temperature as well as at cryogenic temperatures. In contrast to YlBa2Cu3O7−y counterpart, no evidence of spiral growth mechanism is found in YlBa2Cu4O8 films. Four different types of surface feature are observed and the surface feature is found to be highly sensitive to the preparation conditions. STS measurements reveal that the surface of the thin films is degraded. This degradation makes the attempt to detect a reproducible superconducting energy gap at temperature below 35 K difficult.

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Author information

Authors and Affiliations

  1. Superconductivity Research Laboratory, ISTEC, 10-13, Shinonome 1-chome, Koto-ku, Tokyo 135, Japan

    Wu Ting, M. Badaye, R. Itti, K. Ishimaru, T. Morishita, N. Koshizuka & S. Tanaka

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  1. Wu Ting
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  2. M. Badaye
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  3. R. Itti
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  4. K. Ishimaru
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  5. T. Morishita
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  6. N. Koshizuka
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  7. S. Tanaka
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Editor information

Editors and Affiliations

  1. Department of Electronics, Faculty of Engineering, Kyushu University, Higashi-Ku, Fukuoka 812, Japan

    Kaoru Yamafuji

  2. Superconductivity Research Laboratory, ISTEC, Koto-ku, Tokyo 135, Japan

    Tadataka Morishita

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© 1995 Springer-Verlag Tokyo

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Ting, W. et al. (1995). Low temperature STM/STS measurements on c-axis oriented Y1Ba2Cu4O8 superconductive films. In: Yamafuji, K., Morishita, T. (eds) Advances in Superconductivity VII. Springer, Tokyo. https://doi.org/10.1007/978-4-431-68535-7_9

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  • DOI: https://doi.org/10.1007/978-4-431-68535-7_9

  • Publisher Name: Springer, Tokyo

  • Print ISBN: 978-4-431-68537-1

  • Online ISBN: 978-4-431-68535-7

  • eBook Packages: Springer Book Archive

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