Jpn. J. Appl. Phys. 26 (1987) pp. L1183-L1185 |Next Article| |Table of Contents|
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Letter
Electron Diffraction and Microscope Study of Radiation Damage in Ba2YCu3Oy
Yoshio Matsui,
Eiji Takayama-Muromachi and
Katsuo Kato
National Institute for Research in Inorganic Materials
(Received May 26, 1987; accepted for publication June 22, 1987)
Electron induced radiation damage in a high Tc superconductor Ba2YCu3Oy, where y varies from 5.8 to 6.5, was examined by electron diffraction and high resolution transmission electron microscopy (HRTEM). Disordering of Ba and Y layers in the A-sites of the tri-perovskite structure is induced by an intense electron irradiation. Radiation induced product probably has a cubic structure with a=0.41 nm, which is slightly larger than a, b and c/3 values, 0.38-0.39 nm, of an original Ba2YCu3Oy structure.
URL:
http://jjap.jsap.jp/link?JJAP/26/L1183/
DOI: 10.1143/JJAP.26.L1183
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