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Pseudogap in CdBa2Cu3O7−δ HTSC material
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10.1063/1.4811334
/content/aip/journal/ltp/39/6/10.1063/1.4811334
http://aip.metastore.ingenta.com/content/aip/journal/ltp/39/6/10.1063/1.4811334
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Temperature dependences of the specific resistance of optimally doped CdBaCuO: (1) first measurement ( = 275 K); (2) a measurement after 72 h ( = 252 K); (3) a curve without minima measured after another 24 h. In all cases = 86.6 K.

Image of FIG. 2.
FIG. 2.

(a) Δσ as a function of temperature for the first (▪) and second (●) minima. The smooth lines are extrapolations of the 3D region with the intersection of the temperature axis determining . (b) as a function of for the first (▪) and second (●) minima. The straight lines correspond to the AL theory for 3D (λ = −1/2) and 2D (λ = −1) fluctuations.

Image of FIG. 3.
FIG. 3.

The specific resistivity of optimally doped CdBaCuO as a function of temperature. The smooth line is an extrapolation of the dependence .

Image of FIG. 4.
FIG. 4.

The logarithm of the excess conductivity as a function of temperature. The smooth curve is a fit to the experimental data using Eq. (8) .

Image of FIG. 5.
FIG. 5.

(a) Temperature dependences of for the main superconducting transition. The smooth line is the extrapolation of the 3D region whose intercept with the temperature axis determines . (b) as a function of . The straight lines are the AL theory for 3D (λ = −1/2) and 2D (λ = −1) fluctuations. The arrow indicates the crossover temperature.

Image of FIG. 6.
FIG. 6.

Temperature dependence of the pseudogap Δ* in optimally doped CdBaCuO.

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/content/aip/journal/ltp/39/6/10.1063/1.4811334
2013-06-27
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Pseudogap in CdBa2Cu3O7−δ HTSC material
http://aip.metastore.ingenta.com/content/aip/journal/ltp/39/6/10.1063/1.4811334
10.1063/1.4811334
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