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Magnetoresistance and 2D-3D crossover in aluminum-doped single crystals with a system of unidirectional twinning boundaries
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10.1063/1.3292281
/content/aip/journal/ltp/36/1/10.1063/1.3292281
http://aip.metastore.ingenta.com/content/aip/journal/ltp/36/1/10.1063/1.3292281
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Resistive transitions into the superconducting state of an single crystal for , kOe: 0 (1), 1.9 (2), 4.5 (3), 7.3 (4), 10 (5), 12.7 (6). Inset a: field dependence of the critical temperature , solid line—dependence calculated according to Ref. 10. Inset b: low-temperature section of a resistive transition, measured in field . The dashed lines in the figure and inset b show the extrapolation of the sections corresponding to different FC regimes.

Image of FIG. 2.
FIG. 2.

Temperature dependences of the excess conductivity in the plane for different values of the magnetic field. The labeling of the curves corresponds to Fig. 1. Some curves are not shown to avoid complicating the overall figure. The dashed lines show fits of the experimental dependences by straight lines with slope angles (3D regime) and (2D regime). The arrows show the 2D–3D crossover points. Inset a: field dependence of the coherence length perpendicular to the basal plane . Inset b: temperature dependences near . The dashed line is an extrapolation of the linear section of the function . The arrows show the points of the transition into the FC regime.

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/content/aip/journal/ltp/36/1/10.1063/1.3292281
2010-03-02
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Magnetoresistance and 2D-3D crossover in aluminum-doped YBa2Cu3−zAlzO7−δ single crystals with a system of unidirectional twinning boundaries
http://aip.metastore.ingenta.com/content/aip/journal/ltp/36/1/10.1063/1.3292281
10.1063/1.3292281
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