Self-organization in film nucleation in the high-T c superconductor Y-Ba-Cu-O system |
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| Authors: | E. K. Gol’man V. I. Gol’drin D. A. Plotkin S. V. Razumov S. A. Kukushkin A. V. Osipov |
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| Affiliation: | (1) St. Petersburg State Electrotechnical University, 197376 St. Petersburg, Russia;(2) Institute of Problems in Mechanical Engineering, Russian Academy of Sciences, 199178 St. Petersburg, Russia |
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| Abstract: | The process of new-phase nucleation in the YBa2Cu3O7−x system deposited by magnetron sputtering has been studied. The first experimental observation of the phenomenon of temporal self-organization in the course of new-phase formation, which was predicted theoretically,1–3 is reported. Auto-oscillations in the number of nuclei of various chemical compounds 20–60 nm in size were observed to occur within the 15 to 300-s time interval, the total number of nuclei varying aperiodically from 1013 m−2 to less than 1011 m−2. Fiz. Tverd. Tela (St. Petersburg) 39, 216–218 (February 1997) |
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