Low-temperature resistivity of single crystals YBa_2Cu_3O_{6+x} in the normal state

Details Low-temperature resistivity of single crystals YBa_2Cu_3O_{6+x} in the normal state Low-temperature resistivity of single crystals YBa_2Cu_3O_{6+x} in the normal state

1997-05-20

arxiv.org/abs/cond-mat/9705197v2

Pis'ma v ZhETF, 65, 834 (1997)

Physics

Condensed Matter

Superconductivity

5 pages, LaTeX, 3 postscript figures. Figures were embedded into text; no contents were changed

Scientific paper

A scan of the superconductor -- nonsuperconductor transformation in single crystals YBa_2Cu_3O_{6+x} (x about 0.37) was done in two alternative ways, namely, by applying the magnetic field and by reducing the hole concentration through the oxygen rearrangement. The in-plane normal-state resistivity \rho_{ab} obtained in both cases was quite similar; its temperature dependence can be fitted by logarithmic law in the temperature range of almost two decades. However, a different representation of the \sigma_{ab}=1/\rho_{ab} by a power law typical for a 3D-material near a metal -- insulator transition is also plausible. The vertical conductivity \sigma_c=1/\rho_c followed the power law and neither \sigma_c(T), nor \rho_c(T) could be fitted by log(T). It follows from the \rho_c measurements that the transformation at T=0 is split into two transitions: superconductor -- normal-metal and normal-metal -- insulator. In our samples, they are distanced in the oxygen content by \Delta x\approx0.025.

Affiliated with

Also associated with

No associations

Rating

Low-temperature resistivity of single crystals YBa_2Cu_3O_{6+x} in the normal state does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.

If you have personal experience with Low-temperature resistivity of single crystals YBa_2Cu_3O_{6+x} in the normal state, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Low-temperature resistivity of single crystals YBa_2Cu_3O_{6+x} in the normal state will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFWR-SCP-O-530387