Effect of transverse and longitudinal magnetic field on the excess conductivity of YBa₂Cu₃₋zAlzO₇₋δ single crystals with a given topology of plane defects
The effect of a constant magnetic field to 12.7 kOe on the temperature dependences of electric conductivity of aluminum-doped YBaCuO single crystals with a system of unidirectional twinning boundaries has been investigated. It is determined that the twinning boundaries are effective centers of scatt...
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| Veröffentlicht in: | Functional Materials |
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| Datum: | 2013 |
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НТК «Інститут монокристалів» НАН України
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| Zitieren: | Effect of transverse and longitudinal magnetic field on the excess conductivity of YBa₂Cu₃₋zAlzO₇₋δ single crystals with a given topology of plane defects / R.V.Vovk, Z.F. Nazyrov, G.Ya. Khadzhai, V.M. Pinto Simoes, V.V. Kruglyak // Functional Materials. — 2013. — Т. 20, № 2. — С. 208-216. — Бібліогр.: 35 назв. — англ. |
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Vovk, R.V. Nazyrov, Z.F. Khadzhai, G.Ya. Pinto Simoes, V.M. Kruglyak, V.V. 2017-06-11T05:25:48Z 2017-06-11T05:25:48Z 2013 Effect of transverse and longitudinal magnetic field on the excess conductivity of YBa₂Cu₃₋zAlzO₇₋δ single crystals with a given topology of plane defects / R.V.Vovk, Z.F. Nazyrov, G.Ya. Khadzhai, V.M. Pinto Simoes, V.V. Kruglyak // Functional Materials. — 2013. — Т. 20, № 2. — С. 208-216. — Бібліогр.: 35 назв. — англ. 1027-5495 DOI: dx.doi.org/10.15407/fm20.02.208 https://nasplib.isofts.kiev.ua/handle/123456789/120065 The effect of a constant magnetic field to 12.7 kOe on the temperature dependences of electric conductivity of aluminum-doped YBaCuO single crystals with a system of unidirectional twinning boundaries has been investigated. It is determined that the twinning boundaries are effective centers of scattering of fluctuation carriers. Directly near Tc the temperature dependences of the excess paraconductivity are satisfactorily described by the Hikami-Larkin theoretical model of fluctuation conductivity for layered superconducting systems. The reasons for the suppression of three-dimensional superconducting fluctuations and the nonmonotonic dependence of ξc(0,H) in weak magnetic fields with the magnetic field vector oriented along c axis were discussed. It was shown that the lack of fan-shaped expansion of the resistive transitions in the magnetic field in these samples is conditioned by the lack of the no pinning vortex liquid phase due to increased pinning of the vortex lattice at the twin boundaries. en НТК «Інститут монокристалів» НАН України Functional Materials Characterization and properties Effect of transverse and longitudinal magnetic field on the excess conductivity of YBa₂Cu₃₋zAlzO₇₋δ single crystals with a given topology of plane defects Article published earlier |
| institution |
Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| collection |
DSpace DC |
| title |
Effect of transverse and longitudinal magnetic field on the excess conductivity of YBa₂Cu₃₋zAlzO₇₋δ single crystals with a given topology of plane defects |
| spellingShingle |
Effect of transverse and longitudinal magnetic field on the excess conductivity of YBa₂Cu₃₋zAlzO₇₋δ single crystals with a given topology of plane defects Vovk, R.V. Nazyrov, Z.F. Khadzhai, G.Ya. Pinto Simoes, V.M. Kruglyak, V.V. Characterization and properties |
| title_short |
Effect of transverse and longitudinal magnetic field on the excess conductivity of YBa₂Cu₃₋zAlzO₇₋δ single crystals with a given topology of plane defects |
| title_full |
Effect of transverse and longitudinal magnetic field on the excess conductivity of YBa₂Cu₃₋zAlzO₇₋δ single crystals with a given topology of plane defects |
| title_fullStr |
Effect of transverse and longitudinal magnetic field on the excess conductivity of YBa₂Cu₃₋zAlzO₇₋δ single crystals with a given topology of plane defects |
| title_full_unstemmed |
Effect of transverse and longitudinal magnetic field on the excess conductivity of YBa₂Cu₃₋zAlzO₇₋δ single crystals with a given topology of plane defects |
| title_sort |
effect of transverse and longitudinal magnetic field on the excess conductivity of yba₂cu₃₋zalzo₇₋δ single crystals with a given topology of plane defects |
| author |
Vovk, R.V. Nazyrov, Z.F. Khadzhai, G.Ya. Pinto Simoes, V.M. Kruglyak, V.V. |
| author_facet |
Vovk, R.V. Nazyrov, Z.F. Khadzhai, G.Ya. Pinto Simoes, V.M. Kruglyak, V.V. |
| topic |
Characterization and properties |
| topic_facet |
Characterization and properties |
| publishDate |
2013 |
| language |
English |
| container_title |
Functional Materials |
| publisher |
НТК «Інститут монокристалів» НАН України |
| format |
Article |
| description |
The effect of a constant magnetic field to 12.7 kOe on the temperature dependences of electric conductivity of aluminum-doped YBaCuO single crystals with a system of unidirectional twinning boundaries has been investigated. It is determined that the twinning boundaries are effective centers of scattering of fluctuation carriers. Directly near Tc the temperature dependences of the excess paraconductivity are satisfactorily described by the Hikami-Larkin theoretical model of fluctuation conductivity for layered superconducting systems. The reasons for the suppression of three-dimensional superconducting fluctuations and the nonmonotonic dependence of ξc(0,H) in weak magnetic fields with the magnetic field vector oriented along c axis were discussed. It was shown that the lack of fan-shaped expansion of the resistive transitions in the magnetic field in these samples is conditioned by the lack of the no pinning vortex liquid phase due to increased pinning of the vortex lattice at the twin boundaries.
|
| issn |
1027-5495 |
| url |
https://nasplib.isofts.kiev.ua/handle/123456789/120065 |
| citation_txt |
Effect of transverse and longitudinal magnetic field on the excess conductivity of YBa₂Cu₃₋zAlzO₇₋δ single crystals with a given topology of plane defects / R.V.Vovk, Z.F. Nazyrov, G.Ya. Khadzhai, V.M. Pinto Simoes, V.V. Kruglyak // Functional Materials. — 2013. — Т. 20, № 2. — С. 208-216. — Бібліогр.: 35 назв. — англ. |
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| first_indexed |
2025-12-07T18:50:54Z |
| last_indexed |
2025-12-07T18:50:54Z |
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