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Structural modifications of the superconducting phases on Bi system by electron beam irradiation |
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| Authors: | G. Aldica I. I. Geru B. M. Puscasu F. Constantinescu P. Badica |
| Affiliation: | (1) Institute of Physics and Technology of Materials, P.O. Box MG-7, Bucharest, Magurele, Romania;(2) Faculty of Physics, Moldava State University, 277009 Kishinew, R. Moldova;(3) Metrological and Automatization Research Center, Academy Sciences of Moldova, St. Academia, 277028 Kishinew, R. Moldova;(4) Faculty of Physics and Engineering, Department of Powder Metallurgy, Refractories, and Composites, Kiev Polytechnic Institute, 252056 Kiev, Ukraine |
| Abstract: | Superconducting samples of the Bi(Pb)-Sr-Ca-Cu-O system have been irradiated in transmission electron microscopy (TEM) to investigate the effect of a relative high fluence of electrons with 75 and 100 keV energy on the microstructure of the material. The diffraction pattern images show a dramatic change from very uniform lattice spots atab crystalline planes to a circular pattern corresponding to damage and breaking of the materials in very small crystallites. |
| Keywords: | Electron irradiation Bi-Pb-Sr-Ca-Cu-O high-Tc phases phases stability microstructure transformations transmission electron microscopy |
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