Dislocation description of twins in high-temperature superconductor YBa₂Cu₃O₇₋δ
The thin twins theory consistently applied to the dislocation description of twins in the high-temperature superconductor YBa₂Cu₃O₇₋δ(YBCO). Quantitative analysis of the twin shape shows an agreement with theoretical consideration and gives new method to evaluate the twin boundary energy γtw. Fric...
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| Datum: | 2008 |
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| 1. Verfasser: | |
| Format: | Artikel |
| Sprache: | English |
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Фізико-технічний інститут низьких температур ім. Б.І. Вєркіна НАН України
2008
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| Schriftenreihe: | Физика низких температур |
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| Online Zugang: | http://dspace.nbuv.gov.ua/handle/123456789/117333 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Zitieren: | Dislocation description of twins in high-temperature superconductor YBa₂Cu₃O₇₋δ / V.S. Boyko // Физика низких температур. — 2008. — Т. 34, № 7. — С. 639–644. — Бібліогр.: 49 назв. — англ. |
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Digital Library of Periodicals of National Academy of Sciences of Ukraine| Zusammenfassung: | The thin twins theory consistently applied to the dislocation description of twins in the high-temperature
superconductor YBa₂Cu₃O₇₋δ(YBCO). Quantitative analysis of the twin shape shows an agreement with
theoretical consideration and gives new method to evaluate the twin boundary energy γtw. Friction stress Sfr
acting on a twinning dislocation is also determined. The formation of a twin and twin microstructures are analyzed.
The principles of microstructure design by twinning in YBCO crystals for enhanced Jc at high magnetic
fields are discussed. |
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