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Observation of screw dislocations in sputtered YBa2Cu3O7−δ films

✍ Scribed by D.G. Schlom; D. Anselmetti; J.G. Bednorz; Ch. Gerber; J. Mannhart; K.A. Müller

Publisher
Elsevier Science
Year
1991
Tongue
English
Weight
488 KB
Volume
185-189
Category
Article
ISSN
0921-4534

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✍ H. Douwes; P.H. Kes; Ch. Gerber; J. Mannhart 📂 Article 📅 1993 🏛 Elsevier Science 🌐 English ⚖ 561 KB

Flux pinning by screw dislocations and (oxygen) vacancies is considered in Y1Ba2Cu3OT\_6 thin films. Expressions for the corresponding elementary pinning forces are given and estimates concerning their strengths are made. It is supposed that the screw dislocations are the predominant pinning mechani