Electron Diffraction and Microscope Study of Radiation Damage in Ba2YCu3Oy
- 1 July 1987
- journal article
- Published by IOP Publishing in Japanese Journal of Applied Physics
- Vol. 26 (7A) , L1183
- https://doi.org/10.1143/jjap.26.l1183
Abstract
Electron induced radiation damage in a high T c superconductor Ba2YCu3O y , 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 Ba2YCu3O y structure.Keywords
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