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Microstructure of Ybco Irradiated with 200 Kev Protons and 1 Mev Fluorine Ions

Published online by Cambridge University Press:  16 February 2011

Joseph Kulik ,
J.Z. Wu ,
Z.H. Zhang ,
N. Yu  and
W.K. Chu
Joseph Kulik
Affiliation:
Texas Center for Superconductivity, University of Houston, Houston, Texas 77204
J.Z. Wu
Affiliation:
Department of Physics and Astronomy, University of Kansas, Lawrence, Kansas 66045
Z.H. Zhang
Affiliation:
Texas Center for Superconductivity, University of Houston, Houston, Texas 77204
N. Yu
Affiliation:
Texas Center for Superconductivity, University of Houston, Houston, Texas 77204
W.K. Chu
Affiliation:
Texas Center for Superconductivity, University of Houston, Houston, Texas 77204
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Abstract

Transmission electron microscopy (TEM) has been used to study the effects of 200 keV proton and 1 MeV fluorine ion irradiation on the microstructure of YBa2Cu3O7-δ (YBCO). Proton irradiation at fluences on the order of 1016 cm−2 results in more visible defects than can reasonably be expected solely from high energy transfer events; medium energy transfer events also contribute to visible defects. Defects arising from cascade events can be as large as 2 to 3 nm, and high resolution imaging suggests that they consist of small volumes of structurally disordered material. Fluorine irradiation to similar displacement levels results in significantly more visible defects.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 373: Symposium Y – Microstructure of Irradiated Materials , 1994 , 437
Copyright
Copyright © Materials Research Society 1995

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References

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